Fire Used to Make Better Tools 75,000 Years Ago

From :Live Science

Early humans crossed a threshold around 75,000 years ago, when they started painting symbols, carving patterns and making jewelry. A new study found they also began to use fire to make tools around that time.

Until now, this complex, multi-step process for tool making was only known to occur as recently as 25,000 years ago in Europe. But the new findings show this breakthrough occurred much earlier, and in Africa, not Europe.
By heating up stones in a fire before chipping away at them to make blades, early humans could make tools sharper and produce them more efficiently.
Scientists think this advancement represents a link between the earlier use of fire for cooking and warmth, and the later production of ceramics and metals

More..........

Bookyards Editor: For more Ancient History , Bookyards section is here.

Antarctic Meltdown: Glacier Larger Than Scotland Shrinking FOUR Times Faster Than Last Decade

In decline: The Pine Island Glacier drains an enormous volume of ice from

the West Antarctic Ice Sheet to the sea

From The Daily Mail:

An Antarctic glacier twice the size of Scotland is melting much faster than scientists had bargained for.

The Pine Island Glacier in west Antarctica is losing ice four times quicker than a decade ago, researchers warned today.
If the thinning continues to accelerate at this speed, the main section of the glacier will be gone within the next 100 years - six times faster than was previously estimated.

Read more ....

Spoon-Bending For Beginners: Teaching Anomalistic Psychology To Teenagers

Uri Geller holds a spoon he claims to have bent using supernatural powers. Photograph: David Furst/AFP/Getty Images

From The Guardian:

Why introduce students to a field of psychology investigating claims that fly in the face of mainstream science? Chris French can think of several good reasons.

From next month, potentially thousands of teenagers at schools and colleges throughout the UK will start lessons that deal with telepathy, psychokinesis, psychic healing, near-death experiences and talking to the dead. Surely the minds of the nation's youth will be corrupted by all this mumbo-jumbo?

Read more ....

India's Water Use 'Unsustainable'

Much of the water used in paddy fields is pumped from underground.

From The BBC:

Parts of India are on track for severe water shortages, according to results from Nasa's gravity satellites.

The Grace mission discovered that in the country's north-west - including Delhi - the water table is falling by about 4cm (1.6 inches) per year.

Writing in the journal Nature, they say rainfall has not changed, and water use is too high, mainly for farming.

The finding is published two days after an Indian government report warning of a potential water crisis.

That report noted that access to water was one of the main factors governing the pace of development in the world's second most populous nation.

Read more ....

Experiments Push Quantum Mechanics To Higher Levels

John Martinis and Matthew Neeley are researchers at University of California - Santa Barbara. (Credit: George Foulsham, Office of Public Affairs, UCSB)

From Science Daily:

ScienceDaily (Aug. 13, 2009) — Scientists at UC Santa Barbara have devised a new type of superconducting circuit that behaves quantum mechanically – but has up to five levels of energy instead of the usual two. The findings are published in the August 7 issue of Science.

These circuits act like artificial atoms in that they can only gain or lose energy in packets, or quanta, by jumping between discrete energy levels. "In our previous work, we focused on systems with just two energy levels, 'qubits,' because they are the quantum analog of 'bits,' which have two states, on and off," said Matthew Neeley, first author and a graduate student at UCSB.

Read more ....

Fire Used To Make Better Tools 75,000 Years Ago

Experimentally replicated blade tools produced with heat treated silcrete. Some of these tools may have been mounted unto a wood handle to create a tool with disposable blades, as pictured above. Credit: © Science/AAAS

From Live Science:

Early humans crossed a threshold around 75,000 years ago, when they started painting symbols, carving patterns and making jewelry. A new study found they also began to use fire to make tools around that time.

Until now, this complex, multi-step process for tool making was only known to occur as recently as 25,000 years ago in Europe. But the new findings show this breakthrough occurred much earlier, and in Africa, not Europe.

By heating up stones in a fire before chipping away at them to make blades, early humans could make tools sharper and produce them more efficiently.

Read more ....

Another Nutritional Challenge For Space Food

From L.A. Times:

You may have read yesterday’s story about the food scientists at NASA who have their hands full trying to figure out what astronauts will eat when they blast off on a three-year mission to Mars sometime after the year 2030. For a variety of reasons, the food served on the space shuttle and International Space Station won’t cut it – it’s too heavy, too bulky, and its chemistry makes it prone to spoilage after only a couple of years.

And now the NASA scientists have identified another problem: many of the essential vitamins, amino acids and fatty acids in the foods will degrade over the course of such a long mission.

Read more ....

Pictured: Stunning New Image Of Mars Show Half-Mile Wide Crater Complete With Sand Dunes

This image of the Victoria Crater in the Meridiani Planum region of Mars was taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter

From The Daily Mail:

It is one of the most dramatic images to ever emerge from Mars.

In fact, this extraordinary photograph is so clear that even the sand dunes at the base of the half-mile wide canyon are visible.

Experts even believe that they can see the tracks of a Mars lander on the left-hand corner of the Victoria Crater.

Read more ....

Scientists Reveal Why World's Highest Mountains Are At The Equator

Top: Aerial photograph of the Khumbu Glacier and the Everest Himalayan range
Bottom: Glacially eroded mountains in Jotunheimen in Norway. Photograph: David Lundbek Egholm (bottom) and Paula Bronstein/Getty Images

From The Guardian:

Ice and glacier coverage at lower altitudes in cold climates more important than collision of tectonic plates, researchers find.

Scientists have solved the mystery of why the world's highest mountains sit near the equator - colder climates are better at eroding peaks than had previously been realised.

Mountains are built by the collisions between continental plates that force land upwards. The fastest mountain growth is around 10mm a year in places such as New Zealand and parts of the Himalayas, but more commonly peaks grow at around 2-3mm per year.

Read more ....

Netscape Founder Backs New Browser

Photo: Marc Andreessen, Co-founder and General Partner, Andreessen Horowitz, in July. Phil McCarten/Reuters

From The New York Times:

SAN FRANCISCO — It has been 15 years since Marc Andreessen developed the Netscape Internet browser that introduced millions of people to the Internet.

After its early success, Netscape was roundly defeated by Microsoft in the so-called browser wars of the 1990s that dominated the Web’s first chapter.

Mr. Andreessen appears to want a rematch. Now a prominent Silicon Valley financier, Mr. Andreessen is backing a start-up called RockMelt, staffed with some of his close associates, that is building a new Internet browser, according to people with knowledge of his investment.

Read more ....

Options Narrow For Future Of Human Spaceflight

Photo: US human spaceflight panel chairman Norman Augustine listens to public comments at the U.S. Space and Rocket Center on July 29 in in Huntsville, Ala. Bob Gathany/AP

From Christian Science Monitor:

A panel moves closer to recommending where NASA should fly next, and how.

If the US simply maintains spending for human spaceflight at current levels, NASA will have enough money to build one new rocket to carry crews into space by 2020. But it will literally be a rocket to nowhere: The space agency will have no place to send it for at least another decade.

That stark message underlies options for the US human spaceflight program, which a 10-member panel will present to the Obama administration when it wraps up its work at the end of August. The panel's assignment: Present the president with choices that are sustainable, fit within current budget constraints, yet represent bold steps beyond low-Earth orbit.

Read more ....

Top 10 Overlooked Buildings

The Golden Pavilion of Rokuonji Temple in Kyoto, Japan.
Photograph by: Koichi Kamoshida, Getty Images

From The Montreal Gazette:

SYDNEY -- Lists of beautiful buildings laud the Taj Mahal, the Eiffel Tower, and at least one token Frank Gehry building, but there are dozens of other equally beautiful choices that somehow always seem to remain unnoticed.

Members and editors of VirtualTourist.com (www.virtualtourist.com) have compiled a list of what they think are the "World's Top 10 Most Overlooked Beautiful Buildings and Structures." Reuters has not endorsed this list.

Read more ....

BMW ActiveHybrid X6: The Most PowerfulHhybrid In History

BMW ActiveHybrid X6

Officially Official: 2010 BMW ActiveHybrid X6 -- Autoblog

The BMW X6 ActiveHybrid has arrived, and as previously covered, the new gas-electric X6 will be the most powerful hybrid in history, with 480 peak horsepower and diesel-like plateau of 575 lb-ft of torque.

That impressive powertrain consists of twin electric motors (delivering 91 hp and 86 hp, respectively) and a twin-turbo 4.4-liter V8 engine. All those horses will be corralled through a seven-speed dual-mode transmission and BMW's xDrive all-wheel-drive system. The run to sixty will take just 5.4 seconds and the top speed will be limited to 130 miles per hour.

Read more ....

Multiple Sclerosis Successfully Reversed In Mice: New Immune-suppressing Treatment Forces The Disease Into Remission

Dr. Jacques Galipeau of the Jewish General Hospital Lady Davis Institute for Medical Research and McGill University. (Credit: Claudio Calligaris/McGill University)

From Science Daily:

ScienceDaily (Aug. 12, 2009) — A new experimental treatment for multiple sclerosis (MS) completely reverses the devastating autoimmune disorder in mice, and might work exactly the same way in humans, say researchers at the Jewish General Hospital Lady Davis Institute for Medical Research and McGill University in Montreal.

MS is an autoimmune disease in which the body's own immune response attacks the central nervous system, almost as if the body had become allergic to itself, leading to progressive physical and cognitive disability.

Read more ....

New Batting Helmet Offers Protection From 100 MPH Heat

The S100: More protective, but less stylish Earl Wilson via The New York Times

From Popular Science:

But players think it's too ugly to wear.

Back when pitching meant Mordecai "Three Finger" Brown gingerly tossing baseballs so worn down that they resembled leather hacky sacks, players didn't need to worry about lifelong injury after getting hit by a pitch. But now that 'roided up monsters can hurl the ball fast enough to cause serious damage, players need something substantial to protect their dome.

Read more ....

The Truth Behind the 230 MPG Claim From the Chevy Volt: Analysis

From Popular Mechanics:

It's all in the numbers: The EPA has finally figured out exactly what the testing procedures might be (the regulation hasn't formally been adopted yet) for plug-in hybrid vehicles like the Chevy Volt. This week Chevy announced that the Volt will deliver 230 mpg. Other plug-in-hybrid manufacturers won't be long in announcing similarly astonishing fuel-economy numbers. But where on earth does that number come from?

Read more ....

Invisible Doorways Or Portals A Step Closer To Reality, Claim Scientists

Scientists close to inventing a Harry Potter Platform 9 and 3/4

From The Telegraph:

Invisible gateways like the one to platform 9 and 3/4 in Harry Potter and to Lewis Carroll's hidden world in Through the Looking Glass are a step closer to reality after scientists developed a new theory.

Using a technique known as transformation optics, the researchers have revealed a way to alter the pathway of light waves that could eventually allow them to create portals that are invisible to the human eye.

Pushing the laws of refraction and reflection to the limit, the team from Hong Kong University and Fudan University in Shanghai, describe the concept of a “a gateway that can block electromagnetic waves but that allows the passage of other entities”.

Read more ....

Antibodies To Strep Throat Bacteria Linked To Obsessive Compulsive Disorder In Mice

from :ScienceDaily

A new study by researchers at Columbia University Mailman School of Public Health's Center for Infection and Immunity indicates that pediatric obsessive-compulsive disorder (OCD), Tourette syndrome and/or tic disorder may develop from an inappropriate immune response to the bacteria causing common throat infections.





The mouse model findings, published online by Nature Publishing Group in this week's Molecular Psychiatry, support the view that this condition is a distinct disorder, and represent a key advance in tracing the path leading from an ordinary infection in childhood to the surfacing of a psychiatric syndrome. The research provides new insights into identifying children at risk for autoimmune brain disorders and suggests potential avenues for treatment.
OCD and tic disorders affect a significant portion of the population. More than 25% of adults and over 3% of children manifest some features of these disorders. Until now, scientists have been unable to convincingly document the association between the appearance of antibodies directed against Group A beta-hemolytic streptoccoccus (GABHS) in peripheral blood and the onset of the behavioral and motor aspects of the disorder. As a result, treatment strategies were restricted to targeting symptoms rather than causes.





MORE....


Bookyards Editor: For more books on Medecine go here...

'Many Hurricanes' In Modern Times

From BBC:

Hurricanes in the Atlantic are more frequent than at any time in the last 1,000 years, according to research just published in the journal Nature.

Scientists examined sediments left by hurricanes that crossed the coast in North America and the Caribbean.

The record suggests modern hurricane activity is unusual - though it might have been even higher 1,000 years ago.

The possible influence of climate change on hurricanes has been a controversial topic for several years.

Study leader Michael Mann from Penn State University believes that while not providing a definitive answer, this work does add a useful piece to the puzzle.

Read more ....

Why Humans Can Talk And Chimps Can't

Nothing to say (IMAGE: Manfred Rutz/Rex Features)

From New Scientist:

A brain region critical to speech and language ballooned after humans split from chimpanzees, a new study finds.

Named after French physician, Pierre Paul Broca, who identified the region in two brain-damaged patients incapable of uttering more than a few words, Broca's area usually occupies a much larger portion of the left half of the human brain than the right.

Because right-handed humans also tend to process language in their left halves – lefties' brain are flip-flopped – some researchers think that lop-sidedness in Broca's area may help explain why humans alone developed language.

Read more ....

Drive For Atomic Energy Adds To Nuclear Challenge: US

Steam billows from cooling towers at a nuclear power generating station in Illinois. A senior US official acknowledged on Wednesday that the growing demand for atomic energy in response to climate change was adding to the challenges of preventing the spread of nuclear weapons. (AFP/Getty Images/File/Scott Olson)

From Yahoo News/AFP:

GENEVA (AFP) – A senior US official acknowledged on Wednesday that the growing demand for atomic energy in response to climate change was adding to the challenges of preventing the spread of nuclear weapons.

"Some people are calling this a nuclear renaissance, it's very much in vogue," said Susan Burk, the US president's special representative for nuclear non-proliferation in what she termed her first public presentation.

Read more ....

New Drug-resistant TB Strains Could Become Widespread, Says New Study

Chest X-ray image. One in three humans already carries the TB bacterium. (Credit: Image courtesy of University of New South Wales)

From Science Daily:

ScienceDaily (Aug. 12, 2009) — The emergence of new forms of tuberculosis could swell the proportion of drug-resistant cases globally, a new study has found. The finding raises concern that although TB incidence is falling in many regions, the emergence of antibiotic resistance could see virtually untreatable strains of the disease become widespread.

Australian researchers from the University of New South Wales and the University of Western Sydney have published the new finding in the latest issue of the Proceedings of the National Academy of Sciences.

Read more ....

Babies' Brains Churning With Activity

Electrodes recorded brain activity while infants grabbed for toys. The same brain area showed activity whether infants grabbed for a toy themselves or watched an adult do the same. Credit: Michael Crabtree.

From Live Science:

The look of amazement in the eyes of an infant suggests the wheels are churning away inside that noggin. New research confirms they are. Scientists have shown that when 9-month-olds watch people reach for objects, the motor region in their brains gets activated, as if the babies were doing the reaching themselves.

The brain ability is likely due to so-called mirror neurons, which fire both when we do an action ourselves, and when we watch others do a similar action. While such neurons have only been directly measured in monkeys, scientists think they exist in adult humans, and now in infants.

Read more ....

NASA Budget Too Slim to Reach Moon by 2020, Panel Says

From Space.com:

A White House panel charged with reviewing NASA's exploration plans has dropped any hope of sending astronauts directly to Mars and found the space agency's budget too slim to accomplish its goal of returning humans to the moon by 2020.

After more than six hours of public deliberation on Wednesday, the 10-member committee overseeing the Review for U.S. Human Space Flight Plans decided not to include a plan to send astronauts straight to Mars - called Mars Direct - on its list of options to be considered by President Barack Obama because of its daunting challenges and cost.

Read more ....

The FuA- Men

Robot Chefs Run a Restaurant

The FuA-Men - Fully Automated raMen restaruant in Nagoya, Japan features a chef and assistant - both fully autonomous robots. The robots perform all of the cooking tasks needed to make eighty bowls per day, serving the customers who come to their small shop.
When asked, customers seem to feel that there is little difference between noodle dishes prepared by real, human chefs, and meals prepared by autonomous robots. For those who appreciate precision in food preparation, you can't beat robot chefs.
"The benefits of using robots as ramen chefs include the accuracy of timing in boiling noodles, precise movements in adding toppings and consistency in the taste and temperature of the soup," said Kenji Nagaya, president of local robot manufacturer Aisei.
The two chefs also work very well together; their movements are perfectly choreographed (see video).

More.......

Bookyards Editor: For more books on engineering go here...

Galapagos Face Ecological Disaster Due To Tourism: Study

File photo of a seal on the shores of San Cristobal island in the Galapagos. Mosquitoes brought into the Galapagos on tourist planes and boats threaten to wreak "ecological disaster" in the islands, central to Darwin's theory of evolution, a study said. (AFP/File)

From Yahoo News/AFP:

LONDON, (AFP) – Mosquitoes brought into the Galapagos on tourist planes and boats threaten to wreak "ecological disaster" in the islands, central to Darwin's theory of evolution, a study said Wednesday.

The insects can spread potentially lethal diseases in the archipelago off Ecuador's Pacific coast, used by Charles Darwin as the basis of his seminal work "On the Origin of Species by Means of Natural Selection".

"Few tourists realise the irony that their trip to Galapagos may actually increase the risk of an ecological disaster," said Simon Goodman of Leeds University, one of the study's co-authors.

Read more ....

Satellites Track, Improve French Wine Crop

Toasting to Technology: The cutting-edge system, Oenoview, combines satellite pictures and grapevine analysis to help French winemakers determine when their grapes, planted in varying conditions across sprawling vineyards, will be ready for picking.

From Discovery News:

Aug. 11, 2009 -- French winegrowers are reaping the benefits of satellite imagery to improve their grape harvests, in a fusion of cutting-edge technology and the ancient art of winemaking.

The Oenoview system -- initially developed to help grain producers -- combines satellite pictures and vine analysis to allow oenologists to determine when grapes planted in varying conditions across sprawling estates will be ready.

It conveys important information about the berries to winegrowers, such as the amount of water in the fruit and how much to prune back their vines.

Read more ....

Swine Flu: How Experts Are Preparing Their Families

How will the health infrastructure cope? (Image: Raveendran/AFP/Getty

From New Scientist:

AS THE swine flu pandemic continues to sweep the world, what do public health officials, epidemiologists and flu researchers think will happen in the coming months? When New Scientist asked 60 of them, it turned out that half are concerned enough about the possibility of a virulent swine flu outbreak to take precautions such as acquiring a supply of Tamiflu for their families. Though most do not think it likely that a nastier strain will emerge, many are worried that if it did, their local hospitals and other parts of the health infrastructure could not cope.

Read more ....

NASA Falling Short of Asteroid Detection Goals

The team says it is almost certain that a large Baptistina fragment created the 180km Chicxulub crater off the coast of the Yucatan 65 million years ago. The impact that produced this crater has been strongly linked to the mass extinction event that eliminated the dinosaurs. Image from The BBC.

From Wired Science:

Without more funding, NASA will not meet its goal of tracking 90 percent of all deadly asteroids by 2020, according to a report released today by the National Academy of Sciences.

The agency is on track to soon be able to spot 90 percent of the potentially dangerous objects that are at least a kilometer (.6 miles) wide, a goal previously mandated by Congress.

Asteroids of this size are estimated to strike Earth once every 500,000 years on average and could be capable of causing a global catastrophe if they hit Earth. In 2008, NASA’s Near Earth Object Program spotted a total of 11,323 objects of all sizes.

Read more ....

Molecular Condom Blocks HIV

Imgae: Viral blockade: A gel, shown here stained blue, forms tendril structures at pH 7.4. The red dots are 100 nanometer particles, about the same size as HIV, which are trapped in these structures. Credit: Kristopher Langheinrich

From Technology Review:

A novel gel that filters out HIV could protect women from infection.

A polymer gel that blocks viral particles could one day provide a way for women to protect themselves against HIV infection. The gel reacts with semen to form a tight mesh that blocks the movement of virus particles. The material, which is still in early development, could eventually be combined with antiviral gels currently in clinical trials to provide a dual defense against HIV.

Read more ....

New Planet Displays Exotic Orbit

Planets with retrograde orbits should be rare

From The BBC:

Astronomers have discovered the first planet that orbits in the opposite direction to the spin of its star.

Planets form out of the same swirling gas cloud that creates a star, so they are expected to orbit in the same direction that the star rotates.

The new planet is thought to have been flung into its "retrograde" orbit by a close encounter with either another planet or with a passing star.

The work has been submitted to the Astrophysical Journal for publication.

Read more ....

When Did Humans Return After Last Ice Age?

Gough's Cave. (Credit: Copyright Natural History Museum)

From Science Daily:

ScienceDaily (Aug. 12, 2009) — The Cheddar Gorge in Somerset was one of the first sites to be inhabited by humans when they returned to Britain near the end of the last Ice Age. According to new radio carbon dating by Oxford University researchers, outlined in the latest issue of Quaternary Science Review, humans were living in Gough's Cave 14,700 years ago.

A number of stone artefacts as well as human and animal bones from excavations, spread over more than 100 years, shed further light on the nature as well as the timing of people to the cave.
Read more ....

New Facebook Lite To Take On Twitter With Simplified Messaging Service

Battle: Facebook is currently testing 'Facebook Lite' a simplified version of the service which looks remarkably similar to Twitter

From The Daily Mail:

Facebook are currently testing a simplified version of its social network service aimed at countries where Internet bandwidth is limited.
The new system, named Facebook Lite, focuses primarily on messaging and user updates and looks remarkably similar to rival micro blogging service Twitter.
Industry experts are viewing the development as the latest in a series of moves from Facebook to take on Twitter.

Read more ....

Meteor Show Reaches Dazzling Peak

From The BBC:

Skygazers are observing a dazzling sky show, as the annual Perseid meteor shower reaches its peak.

No special equipment is required to watch the shower, which occurs when Earth passes through a stream of dusty debris from the comet Swift-Tuttle.

Budding astronomers are advised to lie on a blanket or a reclining chair to get the best view.

The National Trust has released online guides to seven top Perseid viewing sites in the UK.

Read more ....

Killer Whales Visit 'Social Clubs'

From BBC:

Killer whales create and visit social clubs just like people do, scientists have discovered.

Up to 100 fish-eating killer whales come together in the Avacha Gulf, off the coast of Russia.

But no-one knew why the whales form these huge superpods, when they normally live in smaller groups.

Now scientists report in the Journal of Ethology that these groups act as clubs in which the killer whales form and maintain social ties.

Read more ....

The Long Legacy Of Peru's "Mine Of Death"

Image from Chemistry World blog

From Earth Magazine:

The Inca knew there was something sinister about the cinnabar they hauled out of the ground at Huancavelica in Peru hundreds of years ago. They called the mine the Mine of Death. Now, a new study has exposed a 3,500-year history of mercury pollution from the cinnabar mines, a much longer legacy than researchers had previously realized.

Read more ....

Previous Post: Mercury pollution from ancient Inca mines -- Chemistry World Blog

You Deleted Your Cookies? Think Again

From Epicenter:

More than half of the internet’s top websites use a little known capability of Adobe’s Flash plugin to track users and store information about them, but only four of them mention the so-called Flash Cookies in their privacy policies, UC Berkeley researchers reported Monday.

Unlike traditional browser cookies, Flash cookies are relatively unknown to web users, and they are not controlled through the cookie privacy controls in a browser. That means even if a user thinks they have cleared their computer of tracking objects, they most likely have not.

What’s even sneakier?

Read more ....

Planet Smash-Up Sends Vaporized Rock, Hot Lava Flying

This artist's concept shows a celestial body about the size of our moon slamming at great speed into a body the size of Mercury. NASA's Spitzer Space Telescope found evidence that a high-speed collision of this sort occurred a few thousand years ago around a young star, called HD 172555, still in the early stages of planet formation. The star is about 100 light-years from Earth. (Credit: NASA/JPL-Caltech)

From Science Daily:

ScienceDaily (Aug. 12, 2009) — NASA's Spitzer Space Telescope has found evidence of a high-speed collision between two burgeoning planets around a young star.

Astronomers say that two rocky bodies, one as least as big as our moon and the other at least as big as Mercury, slammed into each other within the last few thousand years or so -- not long ago by cosmic standards. The impact destroyed the smaller body, vaporizing huge amounts of rock and flinging massive plumes of hot lava into space.

Read more ....

Men Not Choosy In One-Night Stands

From Live Science:

It's no secret that men are more likely than women to jump into the sack. But a new study adds some twists to the rules of such casual sex.

The research suggests men are far less choosy about the attractiveness of a potential one-night stand. For women to be tempted into considering casual sex, the guy better be a hottie.

These results, based not on real-life encounters but rather on interviews, match with past research showing that men lower their standards when it comes to one-night stands. And it turns out, from the new study, women raise their standards.

Read more ....

Mediterranean-Style Diet And Exercise 'Cuts Chances Of Alzheimer's'

From The Telegraph:

Following a Mediterranean-style diet and exercising regularly can cut the chances of developing Alzheimer's by as much as 60 per cent, a new study shows.
The findings add to a growing body of evidence that following a healthy lifestyle can offer protection against the devastating disease.

Experts warn that this is crucial because there are few ways to treat the condition once it develops.

Read more ....

Are We On The Brink Of Creating A Computer With A Human Brain?

Professor Markram claims he plans to build an electronic human brain 'within the next ten years'

From The Daily Mail:

There are only a handful of scientific revolutions that would really change the world. An immortality pill would be one. A time machine would be another.
Faster-than-light travel, allowing the stars to be explored in a human lifetime, would be on the shortlist, too.
To my mind, however, the creation of an artificial mind would probably trump all of these - a development that would throw up an array of bewildering and complex moral and philosophical quandaries. Amazingly, it might also be within reach.

Read more ....

Google Reveals Caffeine: A New Faster Search Engine

The front end of the improved search engine looks no different. It is the back end technology which Google developers hope will noticeably index new content faster. Photo: AP

From The Telegraph:

Google has revealed project “caffeine”, a new test version of its search engine which it claims will be faster and more relevant than ever before.

In the face of increasing innovation and competition in the search market, Google is upping the ante by developing new technology which will speed up indexing search results and create a larger index.

Read more ....

What A Shower! Catch Up On Meteors With Twitter

The Horsehead Nebula from 'Ancient Light: a Portrait of the Universe' by David Malin

From The Independent:

Astronomy becomes art in a new book of photographs which takes us to parts of the universe our eyes cannot normally see. The results are out of this world, says Hannah Duguid.

In 1609, when Galileo first looked at the universe through a telescope, he was limited by the boundaries of his vision. He could see only what his eye was capable of perceiving. It was not until the birth of photography in the mid-19th century that astronomy was able to progress.

Read more ....

NASA Falling Short of Asteroid Detection Goals

The team says it is almost certain that a large Baptistina fragment created the 180km Chicxulub crater off the coast of the Yucatan 65 million years ago. The impact that produced this crater has been strongly linked to the mass extinction event that eliminated the dinosaurs. Image from The BBC.

From Wired Science:

Without more funding, NASA will not meet its goal of tracking 90 percent of all deadly asteroids by 2020, according to a report released today by the National Academy of Sciences.

The agency is on track to soon be able to spot 90 percent of the potentially dangerous objects that are at least a kilometer (.6 miles) wide, a goal previously mandated by Congress.

Asteroids of this size are estimated to strike Earth once every 500,000 years on average and could be capable of causing a global catastrophe if they hit Earth. In 2008, NASA’s Near Earth Object Program spotted a total of 11,323 objects of all sizes.

Read more ....

Last Female Space Shuttle Commander Leaves NASA

Astronaut Pamela Melroy

From Yahoo News/Space:

Astronaut Pamela Melroy, the last-ever female space shuttle commander, is leaving NASA's spaceflying ranks for a new career in private industry.

Melroy is a veteran of three shuttle missions. On her third flight, the STS-120 flight of Discovery in 2007, she became the second woman to command a space shuttle -a role reserved for astronauts who have been trained as pilots, rather than mission specialists.

Despite the significance of her achievement, Melroy said the distinction wasn't a big deal for her.

Read more ....

GM Claims Chevy Volt Will Get 230 MPG--But How?

The 2011 Chevrolet Volt General Motors

From Popular Science:

General Motors CEO Fritz Henderson says the EPA will certify the Chevrolet Volt with triple-digit mileage. How'd they come up with that?

General Motors calls the Chevrolet Volt an extended-range electric vehicle. That's because the only motive force comes from the electric motor; the gas engine only charges the batteries. In a press conference earlier today, GM's CEO Fritz Henderson said the Volt will have a city mileage figure of 230 miles per gallon--almost five times more efficient than a Prius. But considering the uniqueness of the Volt's powertrain, how did the EPA get that figure?

Read more ....

A Metal Coating That Repairs Itself

Healing bubbles: Tiny fluid-filled capsules a few hundred nanometers wide are dispersed throughout a thin electroplated metal layer. The capsules could be filled with polymers to make metal coatings that repair themselves. Credit: Fraunhofer IPA

From Technology Review:

Electroplated metal could be used to make self-healing construction materials, car parts, and machinery.

Airplanes, cars, and ships that don't corrode are the promise of self-healing paint coatings and polymer materials. Now researchers at the Fraunhofer Institute for Manufacturing Engineering and Automation in Stuttgart, Germany have come up with a metal coating that may be able to repair itself after sustaining damage.

Read more ....

Could Robots Unite Under One Operating System?

Robots Unite: Patch my operating system to 3.0 now, human! Warner Bros.

From Popular Science:

A common robot operating system could lead to a robotics revolution -- scientifically speaking, of course.

Today's robots represent islands unto themselves that don't share either software or hardware with each other. But researchers have begun developing a common operating system that could revolutionize robotics and permit easier collaboration with less reinvention of the proverbial wheel. The change could rival that which rippled through the PC industry when Microsoft's Disk Operating System (DOS), and later Windows, burst onto the scene and became standard.

Read more ....

Mars, Methane And Mysteries

From Scientific American:

Mars may not be as dormant as scientists once thought. The 2004 discovery of methane means that either there is life on Mars, or that volcanic activity continues to generate heat below the martian surface. ESA plans to find out which it is. Either outcome is big news for a planet once thought to be biologically and geologically inactive.

The methane mystery started soon after December 2003, when ESA's Mars Express arrived in orbit around the red planet. As the Planetary Fourier Spectrometer (PFS) began taking data, Vittorio Formisano, Istituto di Fisica dello Spazio Interplanetario CNR, Rome, and the rest of the instrument team saw a puzzling signal. As well as the atmospheric gases they were anticipating, such as carbon monoxide and water vapour, they also saw methane. "Methane was a surprise, we were not expecting that," says Agustin Chicarro, ESA Mars Lead Scientist. The reason is that on Earth much of the methane in our atmosphere is released by evolved life forms, such as cattle digesting food. While there are ways to produce methane without life, such as by volcanic activity, it is the possible biological route that has focused attention on the discovery.

Read more ....

What's Luck Got To Do With It? The Math Of Gambling

From New Scientist:

FIVE years ago, Londoner Ashley Revell sold his house, all his possessions and cashed in his life savings. It raised £76,840. He flew to Las Vegas, headed to the roulette table and put it all on red.

The wheel was spun. The crowd held its breath as the ball slowed, bounced four or five times, and finally settled on number seven. Red seven.

Revell's bet was a straight gamble: double or nothing. But when Edward Thorp, a mathematics student at the Massachussetts Institute of Technology, went to the same casino some 40 years previously, he knew pretty well where the ball was going to land. He walked away with a profit, took it to the racecourse, the basketball court and the stock market, and became a multimillionaire. He wasn't on a lucky streak, he was using his knowledge of mathematics to understand, and beat, the odds.

Read more ....