Tuesday, April 7, 2009

Listening To The Earth's Deepest Secrets

(Click the Above Image to Enlarge)

From New Scientist:

GARY ANDERSON was not around to see a backhoe tear up the buffalo grass at his ranch near Akron, Colorado. But he was watching a few weeks later when the technicians came to dump instruments and insulation into their 2-metre-deep hole.

What they left behind didn't look like much: an anonymous mound of dirt and, a few paces away, a spindly metal framework supporting a solar panel. All Anderson knew was that he was helping to host some kind of science experiment. It wouldn't be any trouble, he'd been told, and it wouldn't disturb the cattle. After a couple of years the people who installed it would come and take it away again.

Read more ....

Field Equations: The Physics of Baseball


From Scientific American:

A Q&A with physicist Alan Nathan.

At long last, Opening Day is nearly here. As with each new season, this one arrives with a slew of major-league questions: Can the Phillies repeat? Can the spendthrift Yankees break their World Series drought? Is this the year the Athletics reclaim their freewheeling magic? But the answers to all those big questions will ultimately arise from countless small interactions, both human (a pitcher facing down a batter, a base runner challenging a catcher's arm, a manager's clever double switch) and physical (a ball meeting the bat's sweet spot, a sharp slider slicing through the air, a pop fly tracing a parabolic arc through the sky).

Read more ....

Light and Cheap, Netbooks Are Poised to Reshape PC Industry

Dell sells a 2.28-pound netbook, the Inspiron Mini 9, left, which is smaller and less expensive than a traditional laptop. Tami Chappell for The New York Times

From The New York Times:

SAN FRANCISCO — Get ready for the next stage in the personal computer revolution: ultrathin and dirt cheap.

AT&T announced on Tuesday that customers in Atlanta could get a type of compact PC called a netbook for just $50 if they signed up for an Internet service plan — an offer the phone company may introduce elsewhere after a test period. This year, at least one wireless phone company in the United States will probably offer netbooks free with paid data plans, copying similar programs in Japan, according to industry experts.

Read more ....

Access Any Hard Drive From The Internet

PogoPlug: courtesy Cloud Engine

From Popular Science:

Using a tiny server crammed into a wall wart, the $100 PogoPlug turns any hard drive into a network-attached storage device

PogoPlug, available in North America as of today, is a cheap, straightforward, single-purpose device that aims to transform network-attached storage into an appliance. It combines any old USB hard drive with your existing Internet connection, and then, voila: everything delicious and convenient about network-attached storage is now within reach.

Read more ....

In Search Of Lithium: The Battle For The 3rd Element

The US Geological Survey claims at least 4.5 million tones of lithium could be extracted in Salar De Uyuni, while another report puts it as high as nine million tons

From The Daily Mail:

The good news: A wonder metal that fires your phone, iPod and shiny new electric car is so clean it may save the planet. The bad news: More than half of the world's lithium is beneath this Bolivian desert...and getting it is so dirty it inspired the latest Bond plot

Darkness falls across the Andes, turning the distant snow caps from blinding white to nothingness in the blink of an eye. From the east, the night races across the bleak Altiplano towards us, as the temperature plummets to below zero, leaving the windswept emptiness of the planet's largest salt plain in a vast cold shadow.

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Mt. Redoubt Eruptions – What Effect If Any On The Summer? Winter?

Mt. Redoubt March 26, 2009

From Watts Up With That:

Starting on March 22, a series of major eruptions have taken place from Mt. Redoubt in Alaska. The biggest exceeded 65,000 feet in height. More than a dozen eruptions as high as 60,000 have followed the first week alone. Activity may continue for weeks or months based on the volcano’s history.

Climatologists may disagree on how much the recent global warming is natural or manmade but there is general agreement that volcanism constitutes a wildcard in climate, producing significant global scale cooling for at least a few years following a major eruption. However, there are some interesting seasonal and regional variations of the effects.

Read more ....

The iPhone Gold Rush

START-UP From left, Vassilis Samolis, Kostas Eleftheriou
and Bill Rappos formed GreatApps. Petros Vittas


From The New York Times:

IS there a good way to nail down a steady income? In this economy?

Try writing a successful program for the iPhone.

Last August, Ethan Nicholas and his wife, Nicole, were having trouble making their mortgage payments. Medical bills from the birth of their younger son were piling up. After learning that his employer, Sun Microsystems, was suspending employee bonuses for the year, Mr. Nicholas considered looking for a new job and putting their house in Wake Forest, N.C., on the market.

Read more ....

More News On the iPhone Gold Rush

Will the iPhone 3.0 Fuel a Second Gold Rush? -- New York Times
Inside the iPhone App Gold Rush -- Adweek
Apple's iPhone 3.0 SDK Renews Developer Gold Rush -- Information Week
NY Times op-ed on the hate that dare not text its name: iPhone rejection -- Tuaw

Saturn's Moon Titan May Have Subsurface Ocean Of Hydrocarbons

A radar image of some of the lakes of hydrocarbons spread across one of the poles of Titan, the largest of Saturn's moons. Colors have been altered to accentuate the topographic features. (Credit: Photo courtesy of NASA/JPL and the Cassini Project Office)

From Science Daily:

ScienceDaily (Apr. 6, 2009) — Saturn's largest moon, Titan, may have a subterranean ocean of hydrocarbons and some topsy-turvy topography in which the summits of its mountains lie lower than its average surface elevation, according to new research.

Titan is also more squashed in its overall shape—like a rubber ball pressed down by a foot—than researchers had expected, said Howard Zebker, a Stanford geophysicist and electrical engineer involved in the work. The new findings may help explain the presence of large lakes of hydrocarbons at both of Titan's poles, which have been puzzling researchers since being discovered in 2007.

Read more ....

Monday, April 6, 2009

Poker Skills Could Sway Gaming Laws

Looking more skilful by the day (Image: Nick Koudis/ Digital Vision/Getty)

From New Scientist:

IS POKER a game of skill or luck? For regular players that's a no-brainer, but showing that skill wins out has proven surprisingly difficult for mathematicians. Now two studies that tapped the vast amounts of data available from online casinos have provided some of the best evidence yet that poker is skill-based. Many hope that the results will help to roll back laws and court decisions that consider poker gambling, and therefore illegal in certain contexts.

Read more ....

'I Predicted Killer Quake, But Officials Accused Me Of Scaremongering': Says Italian Seismologist

Seismologist Giacchino Giuliani predicted the earthquake which killed up to 100 people in L'Aquila just weeks before it struck

From The Daily Mail:

The Italian scientist who predicted a major earthquake which killed 90 people just weeks before disaster struck said authorities refused to take his claim seriously.

Seismologist Giacchino Giuliani said he was reported to authorities for spreading panic after the government claimed his research had no scientific foundation.

The 6.3-magnitude quake struck at around 2.30am UK time near L'Aquila.

The first tremors in the region were felt in mid-January and continued at regular intervals, creating mounting alarm in the medieval city, 60 miles east of Rome.

Read more ....

Complex Geology Behind The Italian Earthquake

This map shows the epicenter of the quake that struck central Italy at 3:32 a.m. local time on Monday, April 6, 2009. Credit: USGS

From Live Science:

The 6.3 magnitude earthquake that struck central Italy in the wee hours of Monday morning has a complicated geological story behind it.

The epicenter of the quake, which struck at 3:32 a.m. local time (9:30 p.m., April 5 EDT), was near the medieval city of L'Aquila, about 70 miles (110 kilometers) northeast of Rome.

The temblor has killed more than 90 people so far, according to news reports, and left 1,500 injured and thousands homeless. It marks the country's deadliest earthquake in three decades.

Read more ....

All Thumbs: Man Says He Has USB Drive In Prosthetic Finger

Computer expert Jerry Javala has been given a helping hand by plastic surgeons who installed a USB stick in a false finger after a motorbike crash. (Central European News)

From ABC News:

Programmer Lost Finger in Motorcycle Accident; Says He Took Advantage of It.

There is, we'd better warn, something of a gross-out factor to many people about this story, although there are others who seem to think it's pretty cool.

It is the story of Jerry Jalava, 29, a self-described software developer from Finland who lost part of his left ring finger in May in a motorcycle accident.

Now, he says, he wears a prosthetic finger made of silicone, which looks fairly natural -- except that he can peel back the tip to uncover a USB drive tucked inside.

Read more ....

Trees Are Growing Faster And Could Buy Time To Halt Global Warming

Tropical rainforest Photo: MARTIN POPE

From The Telegraph:

Plants and trees are growing faster because of rising carbon dioxide levels, potentially buying Earth more time to address global warming, according to scientists.

The phenomenon has been discovered in a variety of flora, ranging from tropical rainforests to British sugar beet crops.

It means they are soaking up at least some of the billions of tons of CO2 released into the atmosphere by humans that would otherwise be accelerating the rate of climate change.

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Older Couples Race Against Their Biological Clocks To Start Families

Katherine Anne Harper was born on Jan. 18 when her mom, Kim, was 41.
SUSAN TUSA/Detroit Free Press


From The Detroit Free Press:

Kim Harper started a career before starting a family.

After graduating from Michigan State University in 1990, she traveled, earned a law degree and began working as an attorney. When Harper married in 2006, she and her husband, Jeff, hoped a baby would soon follow.

"We didn't marry until I was 38," Harper says, "and we always knew we didn't have a lot of time to waste."

A year passed; no baby.

Like many women who marry later in life, Harper didn't think much about her fertility until she'd reached the age at which many doctors warn that healthy pregnancies don't come easily.

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Can Someone Live To Be A Supercentenarian?

From Scientific American:

A woman in central Asia claims to have just celebrated her 130th birthday, a new record for keeping the grim reaper at bay

And you thought you felt old: Last week, in the village of Prishakhtinsk in central Kazakhstan, Sakhan Dosova celebrated what she, her family and Kazakh officials all agree was her 130th birthday. If true, her advanced age would shatter the old-timer record set by Jeanne Calment, who died in Arles, France, in 1997 at the age of 122.

Read more ....

Nicotine May Have More Profound Impact Than Previously Thought

Researchers have found that the alpha-7 receptor, a site known to bind with nicotine, interacts with 55 different proteins. Nicotine may affect bodily processes -- and perhaps the actions of other commonly used drugs -- more broadly than was previously thought. (Credit: Hawrot Lab/Brown University)

From Science Daily:

ScienceDaily (Apr. 4, 2009) — Nicotine isn't just addictive. It may also interfere with dozens of cellular interactions in the body, new Brown University research suggests.

Conversely, the data could also help scientists develop better treatments for various diseases. Pharmaceutical companies rely on basic research to identify new cellular interactions that can, in turn, serve as targets for potential new drugs.

"It opens several new lines of investigation," said lead author Edward Hawrot, professor of molecular science, molecular pharmacology, physiology and biotechnology at Brown University.

Read more ....

Scientists 'Discover' Source Of Wisdom In The Human Brain

Photo: Breakthrough: Scientists have pinpointed the part of the human brain related to wisdom.

From The Daily Mail:

Scientists have discovered the source of wisdom in the human brain, it was revealed today.

Experts have pinpointed the part of the brain that guides people when they are battling with difficult moral dilemmas, according to a study.

Highly-sophisticated brain scans show that the response is linked to certain areas usually associated with primitive emotions of sex, fear and anger.

The findings, revealed by the Observer, are to be published in the Archives of General Psychiatry.

They are a significant departure into an area of expertise that has long been regarded as one of religion and philosophy.

Read more ....

Sunday, April 5, 2009

Global Warming And “The Early Spring”

From Watts Up With That?

Following up on the cold spring story from Friday, one of the favorite mantras of the global warming community has been that global warming brings earlier spring seasons. If a bird shows up earlier than someone in Yorkshire expected, a news story often appears at The Guardian or BBC explaining that it is due to “man made global warming.” A Google search of “global warming early spring” produces more than 300,000 hits.

So what happens when nature refuses to cooperate? Below are some claims from the top ten, interspersed with recent observations from the cold spring season of 2009.

Read more ....

Nuclear Industry's New Burst Of Energy

The Salem nuclear plant's cooling tower forms a backdrop as a tanker cruises south on the Delaware River near Port Penn, Del. JOHN COSTELLO / Staff Photographer

From Philadelphia Inquirer:

Thirty years ago, the nuclear energy industry in the United States seemed all but headed for the scrapyard. Now it's poised for a rebirth.

The impetus is climate change. Nuclear power is touted as the one major electricity source that's emission-free and reliable, able to generate massive amounts of power night and day, in wind and calm.

But hovering over nuclear's new dawn is an incident that began at 4 a.m. on March 28, 1979.

Deep within Reactor 2 at the Three Mile Island nuclear power plant along the Susquehanna River near Harrisburg, main water pumps failed.

At the end of a cascade of disasters, the reactor core melted down, though the containment walls were not breached.

The accident and other factors set the industry reeling. Costs rose. Plants were canceled.

Read more ....

Mysterious Dark Matter Possibly Detected

The Resurs DK-1 spacecraft, which houses the PAMELA experiment, during a test before its June 2006 launch. Credit: Italian National Institute for Nuclear Physics

From Live Science:

When dark matter is destroyed, it leaves behind a burst of exotic particles, according to theory. Now scientists have found a possible signature of these remains. The discovery could help prove the existence of dark matter and reveal what it's made of.

No one knows what dark matter is, but scientists think it exists because there is not enough gravity from visible matter to explain how galaxies rotate.

Read more ....

Hydrogen Cars Closer To Reality With New Storage System

Issam Mudawar, from left, a Purdue professor of mechanical engineering, discusses a hydrogen-storage system for cars with graduate student Milan Visaria and Timothée Pourpoint, an assistant professor of aeronautics and astronautics and manager of the Hydrogen Systems Laboratory. Researchers have created the system's heat exchanger, which is critical because it allows the system to be filled quickly. The research is funded by General Motors Corp. (Credit: Purdue News Service photo/Andrew Hancock)

From Science Daily:

ScienceDaily (Apr. 4, 2009) — Researchers have developed a critical part of a hydrogen storage system for cars that makes it possible to fill up a vehicle's fuel tank within five minutes with enough hydrogen to drive 300 miles.

The system uses a fine powder called metal hydride to absorb hydrogen gas. The researchers have created the system's heat exchanger, which circulates coolant through tubes and uses fins to remove heat generated as the hydrogen is absorbed by the powder.

The heat exchanger is critical because the system stops absorbing hydrogen effectively if it overheats, said Issam Mudawar, a professor of mechanical engineering who is leading the research.

Read more ....

How Baseball Players Catch Fly Balls

From Live Science:

With the crack of the bat, you see the ball jump into the air. You take a few quick steps forward. Then, as you watch the ball continue to rise faster, you feel your stomach sink knowing that this one is going over your head. What went wrong?

How our eyes, brains, arms and legs combine to track and catch a fly ball has stumped scientists for more than 40 years.

A new study supports the original theory of it all while offering some practical tips.

By watching fielders shag pop flies, researchers have noticed a few interesting quirks. First, great ballplayers will not sprint to the exact spot on the field where they think the ball will land and then wait for it. Rather, they usually adjust their speed to arrive at the landing spot just as the ball arrives.

Read more ....

World's Largest Telescope Will Search Heavens For Habitable Planets Like Earth

Mission Incredible: The Extremely Large Telescope will be even more powerful than the Very Large Telescope, pictured here.

From The Telegraph:

A giant telescope powerful enough to identify habitable planets like Earth in distant solar systems is to be built by scientists.

The European Extremely Large Telescope will be the first optical telescope capable of picking out the weak pinpricks of light that are reflected from planets as they orbit stars.

Astronomers claim the huge instrument, which will house a mirror the width of five double decker buses placed end to end, will be able to spot rocky Earth-like planets up to 100 million million miles away.

Read more ....

Is Voicemail Obsolete?

CHANGING TIMES “Once upon a time, voice mail was useful,” said Yen Cheong. Ozier Muhammad/The New York Times

You’ve Got Voice Mail, but Do You Care? -- The New York Times

WHEN Steve Hamrick left his last job as manager at a software corporation, he had at least 25 unheard messages in his office voice mailbox. And that’s not counting the unreturned calls on his cellphone or landline at home.

It’s not that he doesn’t like to talk. But with the cascade of messages he receives by e-mail, texting and on Facebook, Mr. Hamrick, 29, a self-described “voice mail phobic” from Cupertino, Calif., said he’d found better ways to keep in touch.

“I had to give up something and that, for me, was voice mail,” he said. “It’s cutting out some forms of communication to make room for the others.”

Read more ....

How Microbes Can Power America’s Future



From Christian Science Monitor:

Scientists use tiny organisms to create fuel, viruses to make batteries.

For millenniums, microbes have been a staunch technological ally. They have leavened our bread and cured our cheeses. Now, engineers are asking them to convert carbon dioxide into fuel and to build a new generation of batteries. Some of the smallest life forms with which we share the planet are helping us cope with the energy challenges of the 21st century.

Forget about the so-called hydrogen economy for a moment. The much-discussed plan to use hydrogen as a major power source has serious problems, such as how to deliver the fuel to consumers.

Read more ....

Saturday, April 4, 2009

Muslim Students Weigh In On Evolution

Photo: The data could help teachers and students from diverse backgrounds work together better. Punchstock

From Nature News:

In Indonesia and Pakistan, questions about how science and faith can be reconciled.

In the first large study of its kind, a survey of 3,800 high-school students in Indonesia and Pakistan has found that teachers are delivering conflicting messages about evolution.

The Can$250,000 Islam and Evolution research project is the first large study of students, teachers and scientists in countries with significant Muslim populations to examine their understanding and acceptance of evolution. Some results from the three-year project were presented at a symposium at McGill University in Montreal, Canada, this week.

Read more ....

Gamma-Ray Burst Caused Mass Extinction?

Gamma-ray bursts are thought to be streams of high-energy radiation produced when the core of a very massive star collapses, as seen in the above artist's rendering. An April 2009 paper suggests that a gamma-ray burst aimed at Earth may have caused a mass extinction event 440 million years ago, and that a similar celestial catastrophe could happen again. Illustration courtesy NASA/CXC/M.Weiss

From National Geographic:

A brilliant burst of gamma rays may have caused a mass extinction event on Earth 440 million years ago—and a similar celestial catastrophe could happen again, according to a new study.

Most gamma-ray bursts are thought to be streams of high-energy radiation produced when the core of a very massive star collapses.

The new computer model shows that a gamma-ray burst aimed at Earth could deplete the ozone layer, cause acid rain, and initiate a round of global cooling from as far as 6,500 light-years away.

Read more ....

'Eureka Machine' Puts Scientists In The Shade By Working Out Laws Of Nature

From The Gaurdian:

The machine, which took only a few hours to come up with Newton's laws of motion, marks a turning point in the way science is done

Scientists have created a "Eureka machine" that can work out the laws of nature by observing the world around it – a development that could dramatically speed up the discovery of new scientific truths.

The machine took only hours to come up with the basic laws of motion, a task that occupied Sir Isaac Newton for years after he was inspired by an apple falling from a tree.

Scientists at Cornell University in New York have already pointed the machine at baffling problems in biology and plan to use it to tackle questions in cosmology and social behaviour.

Read more ....

Wind Turbines Could More Than Meet U.S. Electricity Needs, Report Says


From The L.A. Times:

The Interior Department report, which looks at the potential of wind turbines off the U.S. coast, is part of the government's process to chart a course for offshore energy development.

Reporting from Arlington, Va. -- Wind turbines off U.S. coastlines could potentially supply more than enough electricity to meet the nation's current demand, the Interior Department reported Thursday.

Simply harnessing the wind in relatively shallow waters -- the most accessible and technically feasible sites for offshore turbines -- could produce at least 20% of the power demand for most coastal states, Interior Secretary Ken Salazar said, unveiling a report by the Minerals Management Service that details the potential for oil, gas and renewable development on the outer continental shelf.

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How Herpes Re-Rears Its Ugly Head

Activity of the VP16 gene (light blue) and the presence of other viral proteins (light purple) in these mouse nerve cells are signs of the herpes virus waking from its latent form. The cells appear dark purple where both markers overlap. Credit: N. Sawtell

From Science News:

Researchers identify key protein that reactivates virus under stress.

A single viral protein enables dormant herpes virus to wake up, suggests a study appearing online March 26 in PLoS Pathogens. The protein, called VP16, acts as the gatekeeper for the damaging, infective activity of the virus, new results in mice show.

Figuring out what causes an inactive, latent state to become a highly infectious state is “very, very important for understanding this virus,” says study coauthor Nancy Sawtell of Cincinnati Children’s Hospital Medical Center in Ohio. The results may lead to a better way to control herpes simplex virus type 1, a virus carried by more than 70 percent of the human population, Sawtell says.

Read more ....

Sleep May Help Clear Brain For New Learning

Washington University scientists used genetically modified fruit flies to track the creation of new brain synapses, junctures where two brain cells communicate. They found that two scenarios that give the fruit fly's brain a workout caused new synapses to arise. To their surprise, all of the new synapses originated from a group of 16 cells in the fly brain's internal timekeeping mechanism. The cells are highlighted in the encircled area above. (Credit: Image courtesy of Washington University School of Medicine)

From Science Daily:

ScienceDaily (Apr. 3, 2009) — A new theory about sleep's benefits for the brain gets a boost from fruit flies in the journal Science. Researchers at Washington University School of Medicine in St. Louis found evidence that sleep, already recognized as a promoter of long-term memories, also helps clear room in the brain for new learning.

The critical question: How many synapses, or junctures where nerve cells communicate with each other, are modified by sleep? Neurologists believe creation of new synapses is one key way the brain encodes memories and learning, but this cannot continue unabated and may be where sleep comes in.

Read more ....

Chocolate Helps With ... Math?


From Live Science:

Chocolate, which we write about a lot here, is no cure-all. But in small amounts, dark chocolate has many benefits: It can help keep the heart healthy and even provide some anti-cancer benefits. It can also, in moderation, work like aspirin.

Now scientists say it helps with math. Sort of.

In the new study reported in the British media, participants given large amounts of flavanols, which are compounds found in chocolate, did better when asked to count backwards in groups of three from a random number between 800 and 999. Flavanols increase blood flow to the brain, scientists say.

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Murdoch Calls Google, Yahoo Copyright Thieves — Is He Right?

From Wired News:

Rupert Murdoch, the owner of News Corp. and The Wall Street Journal, says Google and Yahoo are giant copyright scofflaws that steal the news.

"The question is, should we be allowing Google to steal all our copyright ... not steal, but take," Murdoch says. "Not just them, but Yahoo."

But whether search-engine news aggregation is theft or a protected fair use under copyright law is unclear, even as Google and Yahoo profit tremendously from linking to news. So maybe Murdoch is right.

Murdoch made his comments late Thursday during an address at the Cable Show, an industry event held in Washington. He seemingly was blaming the web, and search engines, for the news media's ills.

Read more ....

Friday, April 3, 2009

How Long Would it Take Piranhas To Eat A Person?

Feeding Frenzy: A school of piranhas could strip your flesh in five minutes.
Adek Berry/Getty Images


From PopSci.com:

Is the fish's deadly rep justified?

After a trip to the Amazon jungle, President Teddy Roosevelt famously reported seeing a pack of piranhas devour a cow in a few minutes. It must have been a very large school of fish—-or a very small cow. According to Ray Owczarzak, assistant curator of fishes at the National Aquarium in Baltimore, it would probably take 300 to 500 piranhas five minutes to strip the flesh off a 180-pound human. But would this attack even happen?

Read more ....

New Cosmic Map Reveals Colossal Structures

The new survey mapped the positions of more than 100,000 galaxies. The black strips are areas the survey did not cover because matter in our own galaxy blocked the view (Illustration: Chris Fluke/Swinburne University of Technology)

From The New Scientist:

Enormous cosmic voids and giant concentrations of matter have been observed in a new galaxy survey, one of the biggest completed so far. One of the voids is so large that it is difficult to explain where it came from.

Called the Six Degree Field Galaxy Survey (6dFGS), the project scanned 41% of the sky, measuring positions and distances for 110,000 galaxies within 2 billion light years of Earth.

No previous survey has covered as much of the sky at such a distance. The Sloan Digital Sky Survey (SDSS), which is based in the northern hemisphere, has probed about twice as far but covers only 23% of the sky.

Read more ....

Virus-Built Battery Could Power Cars, Electronic Devices

Angela Belcher holds a display of the virus-built battery she helped engineer. The battery -- the silver-colored disc -- is being used to power an LED. (Credit: Photo by Donna Coveney)

From Science Daily:

ScienceDaily (Apr. 3, 2009) — For the first time, MIT researchers have shown they can genetically engineer viruses to build both the positively and negatively charged ends of a lithium-ion battery.

The new virus-produced batteries have the same energy capacity and power performance as state-of-the-art rechargeable batteries being considered to power plug-in hybrid cars, and they could also be used to power a range of personal electronic devices, said Angela Belcher, the MIT materials scientist who led the research team.

Read more ....

Beverage Consumption A Bigger Factor In Weight, Study Shows

When it comes to weight loss, what you drink may be more important
than what you eat. (Credit: iStockphoto)


From Science Daily:

ScienceDaily (Apr. 2, 2009) — When it comes to weight loss, what you drink may be more important than what you eat, according to researchers at the Johns Hopkins Bloomberg School of Public Health. Researchers examined the relationship between beverage consumption among adults and weight change and found that weight loss was positively associated with a reduction in liquid calorie consumption and liquid calorie intake had a stronger impact on weight than solid calorie intake.

Read more ....

Dogs Do Look Like Owners


From Live Science:

People can guess pretty successfully what breed of dog a person might own just by looking at the owner, a new study finds.

A group of 70 people who do not own dogs were asked to match photos of 41 dog owners to three possible breeds — Labrador, poodle or Staffordshire bull terrier. They matched the owners to the dogs more than half the time. Yet given three choices, they should have been right only about a third of the time.

"This suggests that certain breeds of dogs are associated with particular kinds of people," said study leader Lance Workman, a psychologist at Bath Spa University in the UK.

Read more ....

Building A Brain On A Silicon Chip

Image: A smart chip: Scientists in Europe are using conventional chip production techniques to create circuits that mimic the structure and function of the human brain. This early prototype has just 384 neurons and 100,000 synapses, but the latest version contains 200,000 neurons and 50 million synapses. Credit: Karlheinz Meier

From Technology Review:

A chip developed by European scientists simulates the learning capabilities of the human brain.

An international team of scientists in Europe has created a silicon chip designed to function like a human brain. With 200,000 neurons linked up by 50 million synaptic connections, the chip is able to mimic the brain's ability to learn more closely than any other machine.

Although the chip has a fraction of the number of neurons or connections found in a brain, its design allows it to be scaled up, says Karlheinz Meier, a physicist at Heidelberg University, in Germany, who has coordinated the Fast Analog Computing with Emergent Transient States project, or FACETS.

Read more ....

Plan B For Energy: 8 Revolutionary Energy Sources


From Scientific American:

If efficiency improvements and incremental advances in today's technologies fail to halt global warming, could revolutionary new carbon-free energy sources save the day? Don't count on it—but don't count it out, either

To keep this world tolerable for life as we like it, humanity must complete a marathon of technological change whose finish line lies far over the horizon. Robert H. Socolow and Stephen W. Pacala of Princeton University have compared the feat to a multigenerational relay race. They outline a strategy to win the first 50-year leg by reining back carbon dioxide emissions from a century of unbridled acceleration. Existing technologies, applied both wisely and promptly, should carry us to this first milestone without trampling the global economy. That is a sound plan A.

Read more ....

Robot Achieves Scientific First

A robot called ADAM can hypothesize, conduct experiments, and plan next steps without human input, researcher Ross King (left) and colleagues announced in April 2009. ADAM is the first—but maybe not the last—robot to make a new scientific discovery. Photograph courtesy Arthur Dafis, Aberystwyth University

From Financial Post:

A laboratory robot called Adam has been hailed as the first machine in history to have discovered new scientific knowledge independently of its human creators.

Adam formed a hypothesis on the genetics of bakers’ yeast and carried out experiments to test its predictions, without intervention from its makers at Aberystwyth University.

The result was a series of “simple but useful” discoveries, confirmed by human scientists, about the gene coding for yeast enzymes. The research is published in the journal Science.

Professor Ross King, the chief creator of Adam, said robots would not supplant human researchers but make their work more productive and interesting.

Read more ....

More News On This Robot First

Robot scientist 'Adam' solves genetic problems -- Times Online
First Robot Scientist Makes Gene Discovery -- National Geographic
Self-directed robot scientist makes discovery -- MSNBC
Robot Scientist Becomes First Machine To Discover New Scientific Knowledge -- Science Daily
Robot Makes Scientific Discovery All by Itself -- Wired Science
Robot scientist makes discoveries with no human help -- New Scientist
Job Swap: This Robot Is the Scientist -- Live Science

Thursday, April 2, 2009

UFO Hoax Was A Social Experiment

Joe Rudy releases a burning flare along side the smoke trail left by a vanished balloon while Chris Russo kneels down to get the next flare ready. Credit: Chris Russo & Joe Rudy via Skeptic.com.

From Live Science:

Strange lights appeared over Morris County, New Jersey, on Jan. 5 this year. The bright red lights were first noticed in the night sky by an eleven-year-old girl, who pointed out three lights grouped together, and another pair some distance away.

The lights moved silently and slowly, then disappeared one by one.

The girl's father, a pilot, said he was baffled: "I've been in aviation for 20 years and never seen anything like it." Police fielded calls from alarmed residents, and the supposed UFO made national news.

Read more ....

Source Of Major Health Benefits In Olive Oil Revealed

Scientists have pinned down the constituent of olive oil that gives greatest protection from heart attack and stroke. (Credit: iStockphoto/Leslie Banks)

From Science Daily:

ScienceDaily (Apr. 2, 2009) — Scientists have pinned down the constituent of olive oil that gives greatest protection from heart attack and stroke. In a study of the major antioxidants in olive oil, Portuguese researchers showed that one, DHPEA-EDA, protects red blood cells from damage more than any other part of olive oil.

"These findings provide the scientific basis for the clear health benefits that have been seen in people who have olive oil in their diet," says lead researcher Fatima Paiva-Martins, who works at the University of Porto.

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Who Gets The Girl? Funny Men Have The Last Laugh...

Photo: Who gets the girl? Funny men like David Walliams, seen with model Lauren Budd, are luckier in love

From The Daily Mail:

It has long been noted that women love a man who can make them laugh - just look at 'sex thimble' Dudley Moore or serial dater David Walliams.

And now scientists believe they know why.

Being funny apparently makes men seem more intelligent, trustworthy - and a better bet for a relationship.

Psychologist Kristofor McCarty said: 'A quick browse of lonely hearts ads will confirm that women look for a good sense of humour in a potential partner - our research may explain why this is the case.'

Mr McCarty drew his conclusions after a study where he asked 45 women to rate the personalities behind a selection of 'lonely hearts' adverts.

Some of these were funny, others were entirely factual.

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Fruit Flies Earn No Respect, Except Among Scientists

These humble fruit flies, clinging to a matchstick, may be kitchenpests, but they contribute enormously to biological and medical science. New South Wales Department of Primary Industries/MCT

From McClatchy:

WASHINGTON — That annoying kitchen pest, the fruit fly, occupies an honored place in science and medicine, despite slurs from politicians such as Sen. John McCain and his 2008 sidekick, Sarah Palin.

Scientists have been studying these dinky insects for more than a century, but they say that they're still turning up valuable new information in more than 1,000 laboratories all over the world.

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Astronomers Find Hidden Exoplanet in Hubble's Dustbin


From Wired Science:

An exoplanet hidden in the Hubble Space Telescope's archival images has been revealed by data miners using a new technique for spotting the satellites of distant stars.

In search of more information about a known exoplanet orbiting the star HR8799 about 130 light-years from Earth, astronomers turned to the catalog of images Hubble has been amassing for more than 15 years. Using an algorithm that can block the bright light of observed stars allowing the much fainter exoplanets circling them to be seen, the team spotted the planet in an image from 1998.

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The Five Ages Of The Brain:


From The New Scientist:

Throughout life our brains undergo more changes than any other part of the body. These can be broadly divided into five stages, each profoundly affecting our abilities and behaviour.

But we are not just passengers in this process, so how can we get the best out of our brains at every stage and pass the best possible organ on to the next? New Scientist investigates

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Early Galaxies Surprise With Size

NASA/JPL-Caltech

From Nature News:

Astronomers revise galaxy-formation models with the discovery that early galaxies could have grown fat — fast.

Slurping up cold streams of star fuel, some of the Universe's first galaxies got fat quickly, new observations suggest. The findings could overturn existing models for the formation and evolution of galaxies that predict their slow and steady growth through mergers.

Researchers using the Subaru telescope in Hawaii have identified five distant galaxy clusters that formed five billion years after the Big Bang. They calculated the mass of the biggest galaxy in each of the clusters and found, to their surprise, that the ancient galaxies were roughly as big as the biggest galaxies in equivalent clusters in today's Universe.

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Cracking The Crusts Of Neutron Stars

NSCL professor Bill Lynch inspects the mini-ball, a detector at the MSU laboratory used to analyze fragments produced when nuclei collide at high velocities. (Credit: Harley Seeley, MSU)

From Science Daily:

ScienceDaily (Mar. 31, 2009) — Research by Michigan State University scientists is helping shed light on neutron stars, city-sized globs of ultra-dense matter that occasionally collapse into black holes.

A team led by Betty Tsang, a professor at MSU’s National Superconducting Cyclotron Laboratory, has had some success in measuring a key nuclear quality that may make it easier to describe the outer crusts of such stars.

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Wednesday, April 1, 2009

Humans Losing Touch With Nature


From Live Science:

With so much of life based on electronic representations of reality, humans risk losing touch with nature, says University of Washington psychologist Peter Kahn.

From web cams that offer views of wildlife to virtual tours of the Grand Canyon to robotic pets, modern technology increasingly is encroaching into human connections with the natural world. Kahn and his colleagues believe this intrusion may emerge as one of the central psychological problems of our times.

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Sounds Good: The Flat Loudspeaker That Is As Thin As A Sheet Of Foil

The speaker is so thin it resembles a sheet of tin foil

From The Daily Mail:

A groundbreaking new loudspeaker that can be printed on and used as a wall poster has been developed by British engineers.

The lightweight and flexible speakers are less than 0.25mm thick and could also be concealed in car interiors or ceiling tiles.

They were developed by the University of Warwick spin-out company, Warwick Audio Technologies, who plan to start selling them later this year.

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Giza Pyramids Align Toward City of Sun God

The Giza Pyramids of ancient Egypt, pictured here, were built along an invisible diagonal in orientation toward Heliopolis, the center of worship for the sun god in ancient Egypt, suggests new research.

From Discovery:

March 24, 2009 -- Some of Egypt's most magnificent pyramids were deliberately designed to follow a pattern of invisible diagonal lines, an Italian study has concluded.

According to Giulio Magli, professor of archaeoastronomy at Milan's Polytechnic University, these invisible lines would connect most of the funerary complexes raised by the kings of the Old Kingdom between 2630 and 2323 B.C.

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