Mother bats expert at saving energy: Study shows wild female bats’ temperature regulation strategy is flexible

In order to regulate their body temperature as efficiently as possible, wild female bats switch between two strategies depending on both the ambient temperature and their reproductive status.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 9:00 am

Quantum entanglement used to stack light particles

Physicists are now able to mount up to two photons on top of one another to construct a variety of quantum states of light.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 9:00 am

First brain recordings from flying fruit flies

Researchers have obtained the first recordings of brain-cell activity in an actively flying fruit fly. The work suggests that at least part of the brain of the fruit fly (Drosophila melanogaster) "is in a different and more sensitive state during flight than when the fly is quiescent," says a study author.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 9:00 am

Defective signaling pathway sheds light on cystic fibrosis

In a study that could lead to new therapeutic targets for patients with the cystic fibrosis, scientists have identified a defective signaling pathway that contributes to disease severity.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 9:00 am

Shifting cellular energy metabolism may help treat cardiovascular disease

Drugs that target the way cells convert nutrients into energy could offer new approaches to treating a range of conditions including heart attack and stroke. Using a new way to screen for potential drugs, researchers have identified several FDA-approved agents, including an over-the-counter anti-nausea drug, that can shift cellular energy metabolism processes in animals.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 9:00 am

Drama or reality TV: Do medical shows depict proper first aid for seizures?

Watching TV medical shows might not be the best way to learn what to do when someone has a seizure. Researchers screened the most popular medical dramas and found that doctors and nurses on the shows responded inappropriately to seizures almost half the time, according to a new study.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 9:00 am

Bacteria-killing proteins cover blood type blind spot

Galectin-4 and galectin-8, carbohydrate-binding proteins found in our intestines, can recognize and kill bacteria that have human blood type sugar molecules on their surfaces. This discovery explains why bacteria can't sneak past our immune systems by camouflaging themselves with blood type molecules. It may also explain why the human population has a diversity of blood types; galectin-4 and -8 create a "protected space" for the diversity.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 6:00 am

A new 3-D map of the interstellar gas within 300 parsecs from the sun

Astronomy & Astrophysics is publishing new 3-D maps of the interstellar gas in the local area around our sun. A French-American team of astronomers presents new absorption measurements towards more than 1800 stars. They were able to characterize the properties of the interstellar gas within each sight line.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 6:00 am

Master gene SRC-3 enables breast cancer growth, invasion

The master gene SRC-3 not only enhances estrogen-dependent growth of cancer cells, it also sends a signal to the cell membrane to promote cell movement -- a key element of cancer metastasis, said researchers. The finding not only uncovers a new activity for SRC-3, it also clears up a mystery about how the message that tells a cell to invade gets from the epidermal growth factor receptor to the activating enzyme.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 6:00 am

'Primitive' cancer gene discovered in ancestral metazoan

To find the causes for cancer, biochemists and developmental biologists retraced the function of an important human cancer gene 600 million years back in time. For the first time, they have identified the oncogene myc in a fresh water polyp and they have shown that this oncogene has similar biochemical functions in ancestral metazoan and in humans.
Source: ScienceDaily: Latest Science News | 15 Feb 2010 | 6:00 am

Greenpeace two plead not guilty in whale meat trial (AFP)

Greenpeace activists Toru Suzuki (L) and Junichi Sato (R) stand with their lead defence counsel lawyer Mr. Kaido (C) in Aomori, Japan, on February 15. The two Japanese Greenpeace activists have pleaded not guilty to committing theft and trespass while they were investigating alleged embezzlement in the country's whaling industry.(AFP/GREENPEACE/File/Jeremy Sutton-Hibbert)AFP - Two Japanese Greenpeace activists pleaded not guilty on Monday to committing theft and trespass while they were investigating alleged embezzlement in the country's whaling industry.



Source: Yahoo! News: Science News | 15 Feb 2010 | 3:30 am

The nation's weather (AP)

A winter storm brings rain and snow to the eastern US while the Northwest sees the effects of a strong Pacific storm system.  Cold temperatures remain in place for the Plains eastward.AP - Snow and rain were expected to return to the Eastern U.S. on Monday as a low pressure system moved in from the Mississippi River Valley.



Source: Yahoo! News: Science News | 15 Feb 2010 | 2:45 am

Israel discovers large ancient wine press (AP)

AP - Israeli archaeologists said Monday that they've discovered an unusually shaped 1,400-year-old wine press that was exceptionally large and advanced for its time.
Source: Yahoo! News: Science News | 15 Feb 2010 | 2:38 am

Space station's new lookout in final resting spot (AP)

FILE - This Feb. 13, 2010 file image taken from video and made available by NASA shows astronauts Robert Behnken and Nicholas Patrick during their spacewalk as they work outside the International Space Station. (AP Photo/NASA, File)AP - Astronauts successfully moved the International Space Station's fancy new observation deck to its final resting place Monday after a long, frustrating night spent dealing with stuck bolts and wayward wiring.



Source: Yahoo! News: Science News | 15 Feb 2010 | 2:32 am

Fossils 'record past sea changes'

Fossilised coral in the Great Barrier Reef could help scientists understand how sea levels have changed since the last Ice Age.
Source: BBC News | Science & Environment | UK Edition | 15 Feb 2010 | 2:25 am

Astronauts Battle Glitches to Move Space Station's Observation Deck (SPACE.com)

SPACE.com - Astronauts moved a brand-new observation deck to its final destination on the International Space Station late Sunday despite jammed bolts and other glitches that threatened their work.
Source: Yahoo! News: Science News | 15 Feb 2010 | 2:00 am

Whaling protester secretly boards Japanese boat (AP)

In this photo taken Saturday, Feb. 13, 2010 released by the Institute of Cetacean Research of Japan, an activist, right, aboard anti-whaling group Sea Shepherd's ship the Steve Irwin uses a water cannon towards the Japanese whaling ship Nisshin Maru in the waters of Antarctica. The U.S.-based activist group, sends vessels to confront the Japanese fleet each year, trying to block them from firing harpoons at the whales. (AP Photo/Institute of Cetacean Research)AP - An anti-whaling activist jumped off a speeding Jet Ski and climbed aboard a Japanese vessel in the frigid Antarctic Ocean on Monday to attempt a citizen's arrest for the destruction of a protest ship last month.



Source: Yahoo! News: Science News | 15 Feb 2010 | 1:39 am

Space station gets a room with a view

CAPE CANAVERAL, Florida (Reuters) - Astronauts aboard the International Space Station on Monday added an observation deck that will give residents of the orbital outpost a panoramic view of the station and Earth below.

Source: Reuters: Science News | 15 Feb 2010 | 12:02 am

Smart Grid Comes Home Wirelessly

With so many smart meters being installed and smart appliances in development, how are they going to talk? A handy new wireless controller could help them speak the same language, and tell you what they're thinking. BuLogics, a Philadelphia-based company ...
Source: Discovery News - Top Stories | 14 Feb 2010 | 9:59 pm

The Planet Formerly Known as Pluto

What astronomy needs is a good road trip movie, and NOVA is happy to oblige with a new series, "The Pluto Files," which makes its debut this Tuesday, March 2, at 8 PM (ET/PT) on PBS. It's based on Neil ...
Source: Discovery News - Top Stories | 14 Feb 2010 | 5:55 pm

Science Weekly podcast: Why humans make music; plus, what is time?

Science writer and former editor at Nature Philip Ball tells us why humans make and listen to music. He's giving a lecture on the subject at the Royal Institution this week.

Sean Carroll, a theoretical physicist at the California Institute of Technology, discusses his new book From Eternity to Here: The Quest for the Ultimate Theory of Time.

A longer version of that interview is available in our latest Science Weekly Extra podcast.

In the newsjam, we look at Britain's plans for space and how scientists have reconstructed an ancient man's physical features from his hair.

The Observer's science and technology editor Robin McKie and Guardian science correspondent Ian Sample are in the studio to share their wisdom.

Post your comments below.

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Subscribe free via iTunes to ensure every episode gets delivered. (Here is the non-iTunes URL feed).



Source: Science news, comment and analysis | guardian.co.uk | 14 Feb 2010 | 5:12 pm

China: Internet censorship and cyber heists

When Google threatened to quit China, most of the focus was on human rights and the country's extensive system of internet censorship, the Great Firewall. China rebuffed such criticism. Countries that censor political speech on the internet are quick to point out that ­western nations also have laws governing content online, some of it political. Germany bans ­neo-Nazi symbols on German internet sites. The state of South Australia recently attempted to ban anonymous political speech online in the lead-up to elections. China said it was its sovereign right to set limits on internet activities. However, less attention was paid to Google's claims that hackers had also stolen corporate secrets in addition to targeting human rights activists.

This highlighted a little discussed problem. While China calls on other countries to respect its laws, it must do more to curtail internet attacks focused on foreign companies that do business there. The Chinese government denied involvement in the attempts to gain access to the Gmail accounts of human rights activists or attempts to steal Google's corporate secrets. It is almost impossible to link attacks online to a single player, much less link the shadowy hackers to a government. Attempts to find a technical link to China in the latest round of attacks failed to uncover a smoking gun. However, security researchers have found that companies doing business in China find their networks hacked and documents relating to business there stolen. A report by US defence company Northrop Grumman last year found that attacks against the US and "many countries around the world" were "extremely focused", not only on scientific and defence secrets but also on "China-related policy information". The report determined that such attacks were "beyond the capabilities or profile of virtually all organised cyber-criminal enterprises" and were "difficult at best without some type of state sponsorship". The US is not alone in its concerns. MI5 warned businesses that Chinese government officials had given British businessmen digital cameras and memory sticks loaded with Trojan horses, viruses that would give the Chinese access to their computers.

Companies doing business in China have long faced brazen attempts to steal corporate secrets. The lure of the riches that China promises has bought silence in the corporate world. That silence made Google's announcement stand out. If China claims its extensive censorship of the internet in its borders is its sovereign right, it cannot lecture the rest of the world on respecting its laws while evidence mounts that foreign companies face sophisticated attempts to steal their secrets.


guardian.co.uk © Guardian News & Media Limited 2010 | Use of this content is subject to our Terms & Conditions | More Feeds


Source: Science news, comment and analysis | guardian.co.uk | 14 Feb 2010 | 5:05 pm

In praise of Pluto, identified 80 years ago

"Inhospitable" doesn't do it justice: the temperature on Pluto, even during its summer (which comes around only every 248 years) is -230°C. Sheathed in layers of frozen nitrogen and methane, its average distance from the sun is 3.6 billion miles. A contrarian among the spheres, it rotates in the opposite direction to the earth. Yet it's hard not to feel some affection for this unluckiest of heavenly bodies, identified 80 years ago this week at the Lowell Observatory in Arizona. The first planetary discovery of the mass-media age excited worldwide interest, much of it focused on the search for a name. Venetia Burnley was the lucky Oxford schoolgirl whose grandfather passed her breakfast-table suggestion on to astronomers. She later claimed to have chosen the Roman god of the underworld because it had not already been used, though the bleak associations could hardly have been more apt. Despite having been demoted to a "dwarf planet" at a meeting of the International Astronomical Union in 2006, Pluto continues to generate attention out of proportion to its size (just one-fifth that of the Earth). Pictures from the Hubble telescope, released earlier this month, showed a quickly-changing, mottled surface, like the coat of a dapple-grey horse. Scientists look forward to seeing it in much greater detail when the New Horizons probe, launched in 2006, reaches its destination in five years. In the meantime, Pluto remains mysterious, serene and frigid, secure in its status as celestial underdog.


guardian.co.uk © Guardian News & Media Limited 2010 | Use of this content is subject to our Terms & Conditions | More Feeds


Source: Science news, comment and analysis | guardian.co.uk | 14 Feb 2010 | 5:05 pm

Silicon whiskers catch rays well

New device could make solar cells cheaper.<img src="http://feeds.feedburner.com/~r/news/rss/today/~4/V5PL509AFrg" height="1" width="1"/>
Source: NatureNews - All articles published today - nature.com science feeds | 14 Feb 2010 | 4:00 pm

UN panel admits new error in key climate report (AFP)

Children play as a storm approaches a beach in the Netherlands in 2007. The UN climate change panel admitted Sunday to having imprecisely stated in a key report that 55 percent of The Netherlands is under sea level, saying that is only the area at risk of flooding.(AFP/File/Maartje Blijdenstein)AFP - The UN climate change panel admitted Sunday to having imprecisely stated in a key report that 55 percent of The Netherlands is under sea level, saying that is only the area at risk of flooding.



Source: Yahoo! News: Science News | 14 Feb 2010 | 2:19 pm

Mobile Phone Use Soars (LiveScience.com)

LiveScience.com - Separate reports out last week show that mobile phone use is soaring in the United States and globally, and data moving across mobile networks is expected to grow dramatically over the next four years.
Source: Yahoo! News: Science News | 14 Feb 2010 | 2:16 pm

Childhood Obesity Takes Psychological Toll, Too

Childhood obesity is linked with all sorts of health problems, but the psychological ones can be just as debilitating.
Source: Livescience.com | 14 Feb 2010 | 2:05 pm

ConocoPhillips exec dies in Alaska avalanche: report (AFP)

Partial view of Alaskan wilderness. The head of ConocoPhillips Alaska died in a weekend avalanche while riding a snowmobile in the wilderness of south central Alaska, US media reported Sunday.(AFP/Getty Images/File/David Mcnew)AFP - The head of ConocoPhillips Alaska died in a weekend avalanche while riding a snowmobile in the wilderness of south central Alaska, US media reported Sunday.



Source: Yahoo! News: Science News | 14 Feb 2010 | 12:41 pm

From Space, With Love: Astronauts Send Earth Cosmic Valentine (SPACE.com)

SPACE.com - It may be the ultimate long-distance relationship, but the gulf between Earth and space hasn't kept astronauts in orbit from sending a valentine to their favorite planet. Japanese astronaut Soichi Noguchi beamed the cosmic love note to Earth from 220 miles (354 km) up aboard the International Space Station just in time for Valentine's Day. "Happy Valentines Day from Space to all of my followers on this beautiful planet!" Noguchi posted on his Twitter page late Saturday. He writes as @Astro_Soichi and has more than 75,400 followers as of this morning. ...
Source: Yahoo! News: Science News | 14 Feb 2010 | 11:32 am

Big switch

Visitors ask when the Northern Lights are "turned on"
Source: BBC News | Science & Environment | UK Edition | 14 Feb 2010 | 11:22 am

Shortage of Rare Earth Elements Could Thwart Innovation

Rare earth elements hold the key to hybrid cars, wind turbines and crystal-clear TV displays.
Source: Livescience.com | 14 Feb 2010 | 8:59 am

'Techstrology': What's Your Sign?

Tracy Staedter chats with cosmic consultants Starsky and Cox to discovery which star signs use technology to find or get rid of love.
Source: Discovery News - Top Stories | 14 Feb 2010 | 3:00 am