Gray Hair Caused by Stress (Cell Stress, That Is)

DNA damage from chemicals, ultraviolet light, and ionizing radiation can turn hair gray (above, an elderly man in Lincoln, Nebraska), according a June 2009 study that examined hair color cells in mice. Photograph by Joel Sartore/NGS

From National Geographic:

Work or personal stress may make you want to pull your hair out, but it's cellular stress that actually turns it gray, a new study has found.

That's because DNA is "under constant attack" by damaging agents, such as chemicals, ultraviolet light, and ionizing radiation, according to study lead author Emi Nishimura of Tokyo Medical and Dental University.

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Gentlemen, You've Never Had It So Good: Women Are Getting More Attractive In Evolutionary 'Beauty Race'

From The Daily Mail:

They are called the fairer sex – and it appears it is becoming increasingly true.

Women are gradually becoming more attractive in an evolutionary ‘beauty race’, according to scientific research.

Beautiful women have more children than their plainer counterparts, and a higher proportion of those children are girls, a study claims.

These daughters, once adult, also tend to be attractive and so the pattern continues.

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A Vaccine For Colon Cancer

Colon cancer: This x-ray image shows a barium enema in a patient with cancer of the bowel. Credit: Centers for Disease Control

From Technology Review:

A new approach to preventing cancer teaches the immune system to seek and destroy emerging tumors.

A cancer vaccine with a twist is making headway in clinical trials at the University of Pittsburgh School of Medicine. Rather than targeting a cancer-related virus--the way Gardasil targets human papillomavirus to prevent some cervical cancers--the new vaccine triggers the immune system to attack a faulty protein that's often abundant in colorectal cancer tissue and precancerous tissue.

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Human History Written in Stone and Blood

Figure 1. Hunter-gatherer people living in southern Africa in the Middle Stone Age left behind artifacts in natural rock shelters and caves. At top is Sibudu Cave, located about 40 kilometers north of Durban. Below that is Ntloana Tsoana, a rock shelter located on the south bank of the Phuthiatsana River in the Lesotho highlands. At bottom, right of center in the photo, is Blombos Cave, located about 300 kilometers east of Cape Town. That’s where archaeologists found artifacts representing innovative behavior previously thought to have emerged in Europe much later. Improved dating of such artifacts helped the authors evaluate what contemporary factors might have contributed to the origins of modern human behavior.

Top photograph courtesy of Lyn Wadley. Middle photograph courtesy of Richard Roberts. Bottom photograph courtesy of Chris Henshilwood.

From American Scientist:

Two bursts of human innovation in southern Africa during the Middle Stone Age may be linked to population growth and early migration off the continent.

In the past decade it has become clear that symbolic expression associated with modern human behavior began in Africa, not Europe. And it occurred tens of thousands of years earlier than was once thought. Answering why is difficult. A first step was more reliable dating of when culturally and technologically advanced people lived during the Middle Stone Age in the south of Africa. Zenobia Jacobs and Richard G. Roberts accomplished that dating, which prompted them to reject climate change as a primary cause for the advancements. Instead, drawing on genetic research, they embrace population growth as a likely, key influence.

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GM Crop Trials Start Again In Britain In 'Secret': Report

Photo illustration of potatoes. Genetically modified crops are being grown in Britain for the first time in 12 months after controversial trials were resumed without alerting the public, a newspaper reported Monday. (AFP/File/Omar Torres)

From Yahoo News/AFP:

LONDON (AFP) – Genetically modified crops are being grown in Britain for the first time in 12 months after controversial trials were resumed without alerting the public, a newspaper reported Monday.

Cultivation of a field of potatoes designed to be resistant to pests was abandoned more than a year ago when environmental protesters ripped up the crop, the Daily Telegraph said.

But, without alerting the public, the project near Tadcaster in northern England has been restarted, prompting warnings from green groups that local farms and residents could be put at risk, the newspaper said.

One group accused the government of trying to "slip it under the radar."

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Red Wine Increases Women's Sexual Desire

Chemical compounds found in red wine may improve blood flow Photo: GETTY

From The Telegraph:

A glass or two of red wine may increase a woman's libido, a scientific study has found.

Researchers concluded that levels of sexual desire were higher in women who were moderate drinkers of red wine than in their counterparts who preferred other alcoholic drinks, or were teetotal.

One theory put forward by the team of Italian doctors who carried out the study is that chemical compounds found in red wine may improve sexual functioning by increasing blood flow to key areas of the body.

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Climate Study Puts Incas’ Success Down To 400 Years Of Warm Weather

The Inca City of Machu Picchu was built during the 400-year warm spell,
scientists say. (Paolo Aguilar/EPA)

From Times Online:

Supreme military organisation and a flair for agricultural invention are traditionally credited for the rise of the Incas. However, their success may have owed more to a spell of good weather — a spell that lasted for more than 400 years.

According to new research, an increase in temperature of several degrees between AD1100 and 1533 allowed vast areas of mountain land to be used for agriculture for the first time. This fuelled the territorial expansion of the Incas, which at its peak stretched from the modern Colombian border to the middle of Chile.

“Yes, they were highly organised, and they had a sophisticated hierarchical system, but it wouldn’t have counted a jot without being underpinned by the warming of the climate,” says Dr Alex Chepstow-Lusty, a palaeo-ecologist from the French Institute for Andean Studies in Lima, Peru.

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Bacteria Make Computers Look Like Pocket Calculators

Scanning electron micrograph of E. coli bacteria. A rapidly growing colony can be programmed to act as a hugely powerful parallel computer. Photograph: Getty

From The Guardian:

Biologists have created a living computer from E. coli bacteria that can solve complex mathematical problems.

Computers are evolving – literally. While the tech world argues netbooks vs notebooks, synthetic biologists are leaving traditional computers behind altogether. A team of US scientists have engineered bacteria that can solve complex mathematical problems faster than anything made from silicon.

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Race Is On For Space-Junk Alarm System

Image: Keeping an eye on the increasing amount of space debris is no easy task (Image: European Space Agency / Rex Features)

From New Scientist:

A WORLDWIDE network of radar stations could tackle the ever-growing problem of space debris - the remains of old rockets and satellites that pose an increasing threat to spacecraft.

The US government is launching a competition, which will run until the end of 2010, to find the best way of tracking pieces of junk down to the size of a pool ball. Three aerospace companies - Northrop Grumman, Lockheed-Martin and Raytheon - have each been awarded $30 million by US Air Force Space Command to design a "space fence" that will constantly report the motion of all objects 5 centimetres wide and larger in medium and low-Earth orbits.

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China Web Users Outnumber US Population: Report

From Breitbart/AFP:

The number of Internet users in China is now greater than the entire population of the United States, after rising to 338 million by the end of June, state media reported Sunday.

China's online population, the largest in the world, rose by 40 million in the first six months of 2009, the official Xinhua news agency reported, citing a report by the China Internet Network Information Center.

The number of broadband Internet connections rose by 10 million to 93.5 million in the first half of the year, the report said.

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Silicon With Afterburners: New Process Could Be Boon To Electronics Manufacturer

Image: Scientists at Rice University and North Carolina State University have found a method of attaching molecules to semiconducting silicon that may help manufacturers reach beyond the current limits of Moore's Law as they make microprocessors both smaller and more powerful. (Credit: Image courtesy of Rice University)

From Science Daily:

ScienceDaily (July 24, 2009) — Scientists at Rice University and North Carolina State University have found a method of attaching molecules to semiconducting silicon that may help manufacturers reach beyond the current limits of Moore's Law as they make microprocessors both smaller and more powerful.

Moore's Law, suggested by Intel co-founder Gordon Moore in 1965, said the number of transistors that can be placed on an integrated circuit doubles about every two years. But even Moore has said the law cannot be sustained indefinitely.

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Why Raindrops Fall In Different Sizes

Fragmentation of a 5 millimeters in diameter drop falling by its own weight relative to an ascending stream of air. The overall sequence lasts for 60 milliseconds. This process is responsible for the formation of the raindrops which wet the ground. Credit: Emmanuel Villermaux

From Live Science:

The raindrops that patter onto roofs, sidewalks and umbrellas during a shower or storm fall in a wide range of sizes, as anyone who pays attention can see. The explanation for this variety turns out to be much simpler than scientists thought.

Experts have long thought that the size differences observed in natural raindrops was due to the same complex interactions of droplets that form raindrops in clouds. But a new study finds that the best explanation for the motley size assortment is that the raindrops released from the clouds break up into smaller drops as they fall.

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Splashdown! The Ship That Picked Up the Apollo 11 Astronauts

From Wired Science:

ALAMEDA — The USS Hornet was on hand 40 years ago to pick up the Apollo 11 astronauts after their Columbia Command Module splashed down in the Pacific Ocean on July 24, 1969.

Today, the aircraft carrier is preserved as a museum in Alameda, California. Its main deck is littered with historic warplanes and space artifacts including an Apollo command module and Mobile Quarantine Facility from subsequent missions, pictured below. The first footsteps the Apollo 11 crew took on Earth after walking on the moon are traced on the deck.

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Scientists Worry Machines May Outsmart Man

This personal robot plugs itself in when it needs a charge. Servant now, master later?
Ken Conley/Willow Garage

From The New York Times:

A robot that can open doors and find electrical outlets to recharge itself. Computer viruses that no one can stop. Predator drones, which, though still controlled remotely by humans, come close to a machine that can kill autonomously.

Impressed and alarmed by advances in artificial intelligence, a group of computer scientists is debating whether there should be limits on research that might lead to loss of human control over computer-based systems that carry a growing share of society’s workload, from waging war to chatting with customers on the phone.

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What And When Is Death?

From The New Atlantis:

All living things die. This is not new and it has nothing to do with technology. What is new in our technological age, however, is an uncertainty about when death has come for some human beings. These human beings, as an unintended consequence of efforts to prevent death, are left suspended at its threshold. Observing them in this state of suspension, we, the living, have a very hard time knowing what to think: Is the living being still among us? Is there still a present for this person or has the long reign of the past tense begun: Is he or was he? The phenomenon is popularly known as “brain death,” but the name is misleading. Death accepts no modifiers. There is only one death. Has it occurred or not? Alive or dead?

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Bluefin Tuna Species Racing Toward Extinction

Bluefin Tuna

From Future Pundit:

A Wired article reports on efforts of scientists to breed and raise tuna in captivity in order to save wild tuna from extinction. While the scientific results in Australia and elsewhere look promising the news about tuna in the wild looks pretty grim.

News of breeding success comes with the three bluefin species — Northern, Southern and Pacific — speeding towards extinction, the victim of something close to a marine version of the 19th century buffalo slaughter. In the last 30 years, bluefin populations around the world have collapsed. Fishing fleets with spotter planes have chased ever-smaller, ever-younger fish, catching them at sea and hauling them to shoreline pens to be fattened and killed before they’re even old enough to reproduce.

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New Flu Treatment Outsmarts Mutations

Candy Coated: A new treatment targets “lollipop” molecules on the flu’s surface. Russell Kightley/Photo Researchers

From Popsci.com:

A new drug could foil any outbreak.

Before swine flu swept through the U.S., the virus had bounced around South America undetected for years. The H1N1 strain caught scientists by surprise, and without a vaccine. But a few weeks before the first North American case popped up, researchers successfully tested a therapy that could knock out almost any flu, and possibly any virus.

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Beyond The Moon: A Chat With Buzz Aldrin

Preparing for an Apollo 11 Countdown Test: NASA

From Popsci.com:

The 79-year-old astronaut says: Enough about the moon; let's go to Mars.

It's been 40 years since Neil Armstrong and Edwin "Buzz" Aldrin landed the Apollo 11 lunar module in the Sea of Tranquility. Aldrin, now 79 years old, recalls that fateful day with clarity. Alarms were sounding inside the space capsule during their speedy descent, and even down to the last seconds, the astronauts were uncertain whether they would need to abort the landing. Millions of Earthlings watched on television as the Eagle touched down.

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My Comment: Still a dreamer at 79 .... and he is right.

For 13 Astronauts, A Day Off In Space

International Space Station

From Yahoo News/Space.com:

The 13 people living on the International Space Station took some hard-earned time off Saturday, a welcome relief after a hectic week of orbital construction.

It's a rare rest day for the station's six-man crew and seven visiting astronauts from the space shuttle Endeavour, who have plowed through a week packed with four spacewalks and robotic arm work to upgrade the orbiting laboratory with new batteries, spare parts and - their crown jewel - a brand new Japanese porch, complete with experiments.

"On a very long mission like this, it's really important that they get some time to recuperate and recover and really just enjoy being on orbit as the first 13-person crew," space station flight director Holly Ridings told reporters late Friday.

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Building NASA's Future

Photo: Steel pieces that make up most of Ares I-X are clustered in High Bay 4 of the assembly building. The five cylinders represent the interstage and upper stage of Ares I; the final piece is the dart-shaped mock-up of the crew capsule. Credit: John Loomis

From Technology Review:

The U.S. space agency readies the first test flight of the vehicle destined for the moon.

One of the largest structures in the world, the vehicle assembly building at Kenned­y Space Center in Florida is the last stop for the space shuttle before it is rolled out to the launch pad. But with the shuttles scheduled to retire in 2010, the massive building has already become home to NASA's next launch vehicle.

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Massive Impact On Jupiter Recorded -- News Updates July 25, 2009

Closeup view of the new dark spot on Jupiter taken with Hubble's Wide Field Camera 3 on July 23, 2009. (IBTimes / NASA, ESA, H. Hammel (Space Sc)

Jupiter: Our Cosmic Protector? -- The New York Times

Jupiter took a bullet for us last weekend.

An object, probably a comet that nobody saw coming, plowed into the giant planet’s colorful cloud tops sometime Sunday, splashing up debris and leaving a black eye the size of the Pacific Ocean. This was the second time in 15 years that this had happened. The whole world was watching when Comet Shoemaker-Levy 9 fell apart and its pieces crashed into Jupiter in 1994, leaving Earth-size marks that persisted up to a year.

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More News On Jupiter's Collision

Hubble Snaps Sharpest Image Yet of Jupiter Impact -- Wired Science
Hubble image shows debris from Jupiter collision -- AP
See Jupiter's Great Black Spot -- MSNBC
Hubble restarted, captures images of Jupiter 'scar' -- International Herald Tribune
Hubble pictures Jupiter's 'scar' -- BBC
The Bruise Heard Round the World -- New York Times
Jupiter collision packed a huge wallop -- Christian Science Monitor

Europe's Mars Rover Slips To 2018

From The BBC:

Europe's flagship robotic rover mission to Mars now looks certain to leave Earth in 2018, two years later than recently proposed, the BBC understands.

The ExoMars vehicle is intended to search the Red Planet for signs of past or present life.

The delay is the third for the mission originally planned to launch in 2011.

While the switch will disappoint many people, officials say the change will open up a greatly expanded programme of exploration at the Red Planet.

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Strong Evidence That Cloud Changes May Exacerbate Global Warming

This image shows unique cloud patterns over the Pacific Ocean of the coast of Baja California, an area of great interest to Amy Clement and Robert Burgman of the University of Miami and Joel Norris of Scripps Oceanography, as they study the role of low-level clouds in climate change. (Credit: NASA)

From Science Daily:

ScienceDaily (July 24, 2009) — The role of clouds in climate change has been a major question for decades. As the earth warms under increasing greenhouse gases, it is not known whether clouds will dissipate, letting in more of the sun's heat energy and making the earth warm even faster, or whether cloud cover will increase, blocking the Sun's rays and actually slowing down global warming.

In a study published in the July 24 issue of Science, researchers Amy Clement and Robert Burgman from the University of Miami's Rosenstiel School of Marine and Atmospheric Science and Joel Norris from Scripps Institution of Oceanography at UC San Diego begin to unravel this mystery. Using observational data collected over the last 50 years and complex climate models, the team has established that low-level stratiform clouds appear to dissipate as the ocean warms, indicating that changes in these clouds may enhance the warming of the planet.

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Permafrost Could Be Climate's Ticking Time Bomb

Gregory Lehn , a Ph. D. student in the department of Earth and planetary sciences at Northwestern University on the left, and Matt Khosh, Ph.D. student in the department of marine sciences at the University of Texas, Austin on the right, talk with Jim McClelland, professor in the department of marine sciences at the University of Texas, Austin, a co-principal investigator on the project, in the center. Credit: Andrew D. Jacobson, Department of Earth and Planetary Sciences, Northwestern University

From Live Science:

The terrain of the North Slope of Alaska is not steep, but Andrew Jacobson still has difficulty as he hikes along the spongy tundra, which is riddled with rocks and masks multitudes of mosquitoes.

Jacobson, a professor of earth and planetary sciences at Northwestern University, extracts soil and water samples in search of clues to one of global warming's biggest ticking time bombs: the melting of permafrost.

Permafrost, or frozen ground, covers approximately 20 to 25 percent of the land-surface area in the northern hemisphere, and is estimated to contain up to 1,600 gigatons of carbon, primarily in the form of organic matter. (One gigaton is equivalent to one billion tons.)

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Monolayer Nanotechnology Will Enable Silicon to Maintain Conductance for Smaller Devices And Sustain Moore's Law Progress

From The Next Big Future:

Scientists at Rice University and North Carolina State University have found a method of attaching molecules to semiconducting silicon that may help manufacturers reach beyond the current limits of Moore's Law as they make microprocessors both smaller and more powerful.

Read more ....

Traffic Hydrocarbons Linked To Lower IQs In Kids

From Science News:

Prenatal exposures to common air pollutants correlate with drop in intelligence scores.

Here’s a dirty little secret about polluted urban air: It can shave almost 5 points off of a young child’s IQ, a new report suggests.

That’s no small loss, says Kimberly Gray, whose federal agency cofinanced the study, to appear in the August Pediatrics.

Normally, baseline environmental exposures to a pollutant yield at most a subtle change — one that is hard to detect and with impacts that are hard to gauge, says Gray, of the National Institute of Environmental Health Sciences in Research Triangle Park, N.C. But the new study shows that children heavily exposed in the womb to common combustion pollutants known as polycyclic aromatic hydrocarbons had, by kindergarten age, an IQ some 4.5 points lower than that of kids with minimal fetal exposures.

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Apollo 11 Experiment Still Going After 40 Years

Lunar Laser Ranging Experiment

From Yahoo News/Space:

The Apollo 11 astronauts returned from the moon 40 years ago today, but they left behind more than footprints. An experiment they placed on the moon's surface is still running to this day.

The Lunar Laser Ranging Experiment is the only moon investigation to continuously operate since the Apollo 11 mission. The experiment studies the Earth-Moon system and beams the data to labs around the world, including NASA's Jet Propulsion Laboratory (JPL) in Pasadena, Calif.

"Yes, we are still going," said James Williams, a JPL scientist involved with the experiment, in an e-mail interview.

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Is the Sun Missing Its Spots?

SUN GAZING These photos show sunspots near solar maximum on July 19, 2000, and near solar minimum on March 18, 2009. Some global warming skeptics speculate that the Sun may be on the verge of an extended slumber. NASA

From The New York Times:

The Sun is still blank (mostly).

Ever since Samuel Heinrich Schwabe, a German astronomer, first noted in 1843 that sunspots burgeon and wane over a roughly 11-year cycle, scientists have carefully watched the Sun’s activity. In the latest lull, the Sun should have reached its calmest, least pockmarked state last fall.

Indeed, last year marked the blankest year of the Sun in the last half-century — 266 days with not a single sunspot visible from Earth. Then, in the first four months of 2009, the Sun became even more blank, the pace of sunspots slowing more.

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Alien-Wasp Swarms Devouring Birds, Bugs in Hawaii

Invasive western yellowjacket wasps in Hawaii (above, a wasp eats an unidentified insect near another wasp) are munching their way through an "astonishing diversity" of creatures, from caterpillars to ring-necked pheasants, a July 2009 study says. The voracious wasps, which have exploded in their new habitat, can wipe out whole swaths of prey insects surrounding their nests. Photograph courtesy Erin Wilson

From National Geographic:

Attacking from nests as big as pickup-truck beds, invasive western yellowjacket wasps in Hawaii are munching their way through an "astonishing diversity" of creatures, from caterpillars to pheasants, a new study says.

Adult yellowjackets consume only nectar. But they kill or scavenge prey to deliver needed protein to their growing broods.

Read more ....

Nasa Finds Monster Black Hole Sucking Up Gas, Dust And Stars At Centre Of Galaxy

The galaxy NGC-1097 with a monstrous black hole surrounded by a ring of stars at its centre
Photo: REUTERS / NASA

From The Telegraph:

Nasa has found a monster black hole 100 million times the mass of the Sun feeding off gas, dust and stars at the centre of a galaxy 50 million light-years away.

The star-ringed black hole forms the eye of a galaxy called NGC-1097 which was photographed by the US space agency's Spitzer Space Telescope in California.

A black hole is a region of space in which the gravitational pull is so powerful that nothing, including whole planets, can escape being sucked in if they come within its reach.

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Sensational Collection Of Satellite Images Captures Earth's Natural Wonders From Space

This image shows how dust from the Sahara desert blew all the way over the British Isles

From The Daily Mail:

For decades, man has gazed up at the stars and marvelled at the wonders of the universe.

But, as this amazing selection of images shows, there are many mind-blowing sights to behold from the other direction.

Pictures taken by astronauts and Nasa satellites give a fascinating bird's-eye view of Earth's natural wonders - including hurricanes, volcanoes and other powerful weather formations - from space.

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What NASA's Return To The Moon May Look Like

To explore the lunar surface, NASA envisions a pressurised rover that will act as a mobile habitat, allowing astronauts to explore the lunar surface for weeks at a time without returning to their base. If supply depots are scattered along the way, these rovers could potentially have a range of hundreds of kilometres. (Image: Regan Geeseman)

From New Scientist:

The Apollo era may have ended as funding fizzled, and the programme's astronauts may be bigger fans of Mars, but the hope of returning to the moon never really went away.

Twenty years ago, on the 20th anniversary of the Apollo 11 moon landing, then-President George H. W. Bush proposed that the US build a base on the moon and send an expedition to Mars. The call fell flat with Congress, which never provided the funding to back up the plan.

But a decade and a half later, his son, President George W. Bush, articulated a similar vision with a clear deadline – an aim to return humans to the moon by 2020, as a stepping-stone on the way to Mars.

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Wireless Power System Shown Off

From BBC:

A system that can deliver power to devices without the need for wires has been shown off at a hi-tech conference.

The technique exploits simple physics and can be used to charge a range of electronic devices over many metres.

Eric Giler, chief executive of US firm Witricity, showed mobile phones and televisions charging wirelessly at the TED Global conference in Oxford.

He said the system could replace the miles of expensive power cables and billions of disposable batteries.

Read more ....

China Announces First Panda From Frozen Sperm

From Yahoo News/AP:

BEIJING – China announced the first successful birth of a panda cub from artificial insemination using frozen sperm, giving a new option for the notoriously poor breeders, officials said Friday.

Panda females have only three days a year in which they can conceive — one reason their species is endangered.

Female panda You You (pronounced Yo Yo) gave birth to the new cub Thursday morning at the Wolong Giant Panda Research Center in southwestern Sichuan. It is You You's third baby, and the 10th panda cub born at Wolong this year.

Read more ....

Auroras In Northern And Southern Hemispheres Are Not Identical

Asymmetric aurora. (Credit: Polar VIS Earth (J. B. Sigwarth) and IMAGE WIC (S. B. Mende))

From Science Daily:

ScienceDaily (July 24, 2009) — Norwegian researchers have shown that the auroras in the Northern and the Southern hemispheres can be totally asymmetric. These findings contradict the commonly made assumption of aurora being mirror images of each other.

The study was performed by PhD student Karl Magnus Laundal and professor Nikolai Østgaard at the Institute of Physics and Technology at the University of Bergen.

Read more ....

Money Relieves Pain

Money dulls physical pain and eases the sting of rejection, new research shows.

From Live Science:

Money dulls physical pain and eases the sting of social rejection, new research shows.

Through six experiments, psychologists and a marketing professor probed the power of money as a proxy for social acceptance. Among their results, they found that merely touching bills or thinking about expenses paid affected the participants both physically and emotionally.

Because it affects pain, money may be a clue to how the brain evolved to process social interactions, the researchers wrote in a paper published in the June edition of the journal Psychological Science.

Read more ....

My Comment: And a lack of money causes a lot of pain and grief. Tell me sonething that I do not know.

New NASA Administrator Delays Ares Launch, Decries "Path We Are On"

Bolden Looks Ahead: NASA administrator Charles Bolden testifies at his confirmation hearing before the Senate on July 8, 2009. NASA/Bill Ingalls

From Popsci.com:

Charlie Bolden rips off the Spock mask, and the space agency delays its new rocket test until Halloween

Former NASA administrator Mike Griffin once likened himself to Spock in his rational, emotionally-detached approach. Now Griffin's replacement, Charles Bolden, seems ready to inject new passion into a space agency that is struggling to reevaluate both long term goals and its vision for space exploration.

The new administrator choked up five times during a speech to agency employees on Tuesday where he pushed back against criticism that President Obama is uncommitted to space exploration, according to the Washington Post. Part of that emotional upwelling came as Bolden described meeting with the Apollo 11 astronauts on the 40th anniversary of the first moon landing.

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100 Things Your Kids May Never Know About

From Geek Dad/Wired Science:

There are some things in this world that will never be forgotten, this week’s 40th anniversary of the moon landing for one. But Moore’s Law and our ever-increasing quest for simpler, smaller, faster and better widgets and thingamabobs will always ensure that some of the technology we grew up with will not be passed down the line to the next generation of geeks.

That is, of course, unless we tell them all about the good old days of modems and typewriters, slide rules and encyclopedias …

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CSI Stone Age: Did Humans Kill Neanderthals?

A painting imagines the world of Neanderthal men
Mansell / Time Life Pictures / Getty

From Time Magazine:

It is one of the world's oldest cold cases. Sometime between 50,000 and 75,000 years ago, a Neanderthal male known to scientists as Shanidar 3 received a wound to his torso, limped back to his cave in what is now Iraq and died several weeks later. When his skeleton was pieced together in the late 1950s and early '60s, scientists were stumped by a rib wound that almost surely killed him, hypothesizing that it could have been caused by a hunting accident or even a fellow Neanderthal. New research suggests that Shanidar 3 may have had a more familiar killer: a human being.

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Historic Snow Event In South America

In Bahia Blanca, a coastal city in the Southern part of the Buenos Aires, the snow storm is heavy and local authorities describe it as the worst snow event in 50 years. Roads are already blocked by snow and ice in the regional. TN news channel reports some areas of the Sierra de La Ventana could pick up even 3 feet of snow, unimaginable to the region.

From Watts Up With That:

Early this Wednesday afternoon, satellite pictures were showing a band of clouds advancing to the North and snow precipitation could no be ruled out in the capital Buenos Aires. In July 9th and 10th 2007 it snowed in the city of Buenos Aires for the first time in 89 years and it could snow again just two years later. Snow was also reported in the capital of Chile Santiago. MetSul Weather Center is not ruling out snow also in Uruguay.

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New Discovery Suggests Trees Evolved Camouflage Defense Against Long Extinct Predator

Pseudopanax crassifolius, adult foliage and developing fruit, Mangaweka, Central North Island, New Zealand. The Araliaceae tree has several defences which researchers suggest are linked to the historic presence of moa. Seedlings produce small narrow leaves, which appear mottled to the human eye. Saplings meanwhile produce larger, more elongated leaves with thorn-like dentitions. (Credit: Wikimedia Commons, Public Domain Image)

From Science Daily:

ScienceDaily (July 23, 2009) — Many animal species such as snakes, insects and fish have evolved camouflage defences to deter attack from their predators. However research published in New Phytologist has discovered that trees in New Zealand have evolved a similar defence to protect themselves from extinct giant birds, providing the first evidence of this strategy in plant life.

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Far-Out Photo: Sunrise in Space

This sunrise was photographed with a handheld camera by astronauts during space shuttle mission STS-127 on July 17, 2009. Credit: NASA

From Live Science:

Astronauts orbiting Earth see a lot more sunrises and sunsets that those of us stranded on the surface. They circle the planet every 90 minutes, and the sun just keeps coming.

A new picture of a sunrise from space was taken with a handheld camera by astronauts Friday on the day the Space Shuttle Endeavour docked with the International Space Station during shuttle mission STS-127.

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The Business Of Personal Genomes

Image: Genomic profile: Shown here is a close-up look at a genetic sequence done by Knome, a personal genomics startup in Cambridge, MA. The image shows a chromosome (top) and the letter-by-letter sequence (bottom) in a small section of that chromosome. The pink box highlights a specific genetic variation. Credit: Knome

From Technology Review:

Jorge Conde speaks on the complexities of personal genomics.

In some ways, Jorge Conde, cofounder of the genomics startup Knome, knows his clients more intimately than any other company president. Knome is the first company to sequence and analyze a consumer's complete genome. And Conde and his team have spent a full day with each member of their select clientele, going through the minute details of the results in search of hidden genomic time bombs, subtle health risks, and other information.

Read more ....

Living, Breeding Mice Grown From Skin Cells

From Wired Science:

Cells from flakes of skin have grown into living, breeding mice, through a bit of biotechnological wizardry.

This feat helps confirm that reprogrammed adult cells, considered a potentially convenient source of stem cell therapies, share the shape-changing powers of embryonic stem cells.

The goal was to create an animal made entirely from reprogrammed cells, and to confirm that reprogrammed cells “are as good as embryonic stem cells,” said Beijing National Stem Cell Bank director Qi Zhou, co-author of the study published Thursday in Nature.

Read more ....

Circus Performer's Flight Preview Steals NASA Show

In this image provided by NASA the Japanese Logistics Module is handed over from Endeavour's remote manipulator system to the space station's remote manipulator system during unberthing and mating operations Tuesday July 21, 2009. (AP Photo/NASA)

From Yahoo News/AP:

CAPE CANAVERAL, Fla. – A former stiltwalker and fire-eater stole NASA's show Thursday, saying he'll be "like a kid in a candy store" experimenting with zero-gravity tricks on his upcoming tourist trip to the international space station.

Cirque du Soleil founder Guy Laliberte is shelling out a reported $35 million for his round-trip ticket aboard a Russian spacecraft. He will rocket into orbit from Kazakhstan at the end of September with a professional astronaut and cosmonaut, and spend more than a week at the space station.

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The Cost Of Maintaning The Climate Industry -- A Commentary

Government Monopsony Distorts Climate Science, says SPPI -- Trans World News

The climate industry is costing taxpayers $79 billion and counting.

The Science and Public Policy Institute announces the publication of Climate Money, a study by Joanne Nova revealing that the federal Government has a near-monopsony on climate science funding. This distorts the science towards self-serving alarmism. Key findings:

The US Government has spent more than $79 billion of taxpayers’ money since 1989 on policies related to climate change, including science and technology research, administration, propaganda campaigns, foreign aid, and tax breaks. Most of this spending was unnecessary.

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Testing Relativity, Black Holes And Strange Attractors In The Laboratory

Through the optical-mechanical analogy, metamaterials and other advanced optical materials can be used to study such celestial phenomena as black holes, strange attractors and gravitational lenses. Here an air-GaInAsP metamaterial mimics a photon-sphere, one of the key black hole phenomena in its interactions with light. (Credit: Xiang Zhang)

From Science Daily:

ScienceDaily (July 22, 2009) — Even Albert Einstein might have been impressed. His theory of general relativity, which describes how the gravity of a massive object, such as a star, can curve space and time, has been successfully used to predict such astronomical observations as the bending of starlight by the sun, small shifts in the orbit of the planet Mercury and the phenomenon known as gravitational lensing. Now, however, it may soon be possible to study the effects of general relativity in bench-top laboratory experiments.

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Could Extinct Animals Be Resurrected From Frozen Samples?

Julie Feinstein, a collection manager at the American Museum of Natural History, removes frozen animal tissue samples from a vat. The museum will store samples from endangered species in national parks. Credit: R. Mickens/AMNH

From Live Science:

Futurists have proposed that extinct animals could be resurrected some day via cloning of their DNA extracted from bone or frozen tissue.

There is little agreement on this, but a new project to store tiny samples of tissue from endangered animals at New York's natural history museum again prompts questions on whether this approach might be insurance against extinction, not just a valuable data repository for biologists.

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Language Learning Deciphered

A 9-month-old Finnish girl listend to the sounds of English, Finnish and Mandarin Chinese while in a MEG machine. New research shows just how children's brains can become bilingual so easily, and scientists are trying to turn those findings into technology that helps adults learn a new language a bit easier. (AP/University of Washington)

From Stltoday:

WASHINGTON -- The best time to learn a foreign language: Between birth and age 7. Missed that window?

New research is showing just how children's brains can become bilingual so easily, findings that scientists hope eventually could help the rest of us learn a new language a bit easier.

"We think the magic that kids apply to this learning situation, some of the principles, can be imported into learning programs for adults," says Dr. Patricia Kuhl of the University of Washington, who is part of an international team now trying to turn those lessons into more teachable technology.

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Hawaii Chosen To Host World's Largest Telescope

From RIA Novosti:

MOSCOW, July 22 (RIA Novosti) - The world's largest telescope, which could offer a glimpse into the beginning of the universe, will be built on top of the dormant Mauna Kea volcano in Hawaii, a consortium of U.S. and Canadian universities has announced.

The Thirty Meter Telescope (TMT), named for the diameter of its primary mirror, will be able to detect light that has taken 13 billion years to reach the Earth, effectively allowing scientists to see pictures of the past, such as how stars and galaxies were formed in the early years of the universe.

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Gates Puts Feynman Lectures Online

From New York Times:

Microsoft Chairman Bill Gates believes that if he had been able to watch physicist Richard Feynman lecture on physics in 1964 his life might have played out differently.

Mr. Gates, of course, is legendary as a Harvard University dropout who went on to create the world’s most successful software firm. He has told associates that if had watched the lectures earlier in his life he might have become a physicist instead of a software entrepreneur.

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