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Archive: 03/05/2007

Two-step Process Filters Evolution of Genes of Human and Chimpanzee

Although the human and chimpanzee genomes are distinguished by 35 million differences in individual DNA "letters," only about 50,000 of those differences alter the sequences of proteins. Of those 50,000 differences, an estimated ...

Biology /

created Mar 05, 2007 | popularity 4.2 / 5 (5) | comments 0

Global warming reaches Mount Everest

A French-led study has determined global warming has affected the ice cap on Mount Everest in the heart of the Himalayas.

Space & Earth / Environment

created Mar 05, 2007 | popularity 2.7 / 5 (15) | comments 0

Dogs provide insight into human evolution

German scientists say many species, not just humans, can draw inferences about the intentions of other individuals to cooperate in complex tasks.

Biology /

created Mar 05, 2007 | popularity 4.3 / 5 (6) | comments 0

Study documents evidence of 'mafia' behavior in cowbirds

“The Sopranos” have some competition — brown-headed cowbirds. Cowbirds have long been known to lay eggs in the nests of other birds, which then raise the cowbirds’ young as their own. Sneaky, perhaps, but not ...

Biology /

created Mar 05, 2007 | popularity 4.3 / 5 (13) | comments 0

Scientists reconstruct migration of avian flu virus

UC Irvine researchers have combined genetic and geographic data of the H5N1 avian flu virus to reconstruct its history over the past decade. They found that multiple strains of the virus originated in the Chinese province ...

Biology /

created Mar 05, 2007 | popularity 4 / 5 (7) | comments 0

Scientists design 'green' automobile

Automotive engineers at the Union of Concerned Scientists have developed a minivan design they said proves automakers can build affordable "green" vehicles.

Technology / Energy & Green Tech

created Mar 05, 2007 | popularity 2.8 / 5 (11) | comments 0

Samsung Delivers Power-Saving Display Driver For Plasma Screens

Samsung Electronics announced that its new, broad 256-channel display driver IC (DDI) for plasma display panels (PDP) is in mass production. This new DDI offers a lower power consumption rate over conventional ...

Electronics / Hardware

created Mar 05, 2007 | popularity 2.5 / 5 (4) | comments 0

'Wingman' -- how buddies help alpha males get the girl

Why do some individuals sacrifice their own self-interest to help others? The evolution and maintenance of cooperative behavior is a classic puzzle in evolutionary biology. In some animal societies, cooperation ...

Biology /

created Mar 05, 2007 | popularity 3.7 / 5 (10) | comments 0

Out-of-body experiences may be caused by arousal system disturbances in brain

Having an out-of-body experience may seem far-fetched to some, but for those with arousal system disturbances in their brains, it may not be a far off idea that they could sense they were really outside their own body watching ...

Medicine & Health / Research

created Mar 05, 2007 | popularity 4 / 5 (29) | comments 0

Imaging 'Gridlock' in High-temperature Superconductors

Superconductivity -- the conduction of electricity with zero resistance -- sometimes can, it seems, become stalled by a form of electronic "gridlock."

Physics / General Physics

created Mar 05, 2007 | popularity 4.7 / 5 (15) | comments 0

Mysteries of Rain and Snow

People have lived with rain and snow for millennia, and scientists have studied weather for more than a century. You might think that, after all that time, we would have precipitation pretty much figured out. ...

Space & Earth / Earth Sciences

created Mar 05, 2007 | popularity 3.8 / 5 (4) | comments 0

Look Ma! No (Human) Hands!

It's the year 2020, and space has never been so busy. Picture this: In Earth orbit, a robotic maintenance ship skitters from one weather satellite to another, upgrading powerful optics that help meteorologists tr ...

Space & Earth / Space Exploration

created Mar 05, 2007 | popularity 4.3 / 5 (3) | comments 0

Low-cost, Home-built 3-D Printer Could Launch a Revolution

The Altair 8800, introduced in the early 1970s, was the first computer you could build at home from a kit. It was crude, didn't do much, but many historians would say that it launched the desktop computer revolution. ...

Technology / Engineering

created Mar 05, 2007 | popularity 4.6 / 5 (120) | comments 0

Panasonic develops White Color Power LEDs by employing GaN Substrates

Panasonic today announced that it has developed a blue LED element by employing GaN substrates for the first time in the industry.

Technology / Semiconductors

created Mar 05, 2007 | popularity 4.2 / 5 (13) | comments 1

Finding the white wine difference

A CSIRO research team has pinpointed the genetic difference between red (or black) and white grapes – a discovery which could lead to the production of new varieties of grapes and ultimately new wines.

Biology /

created Mar 05, 2007 | popularity 3.5 / 5 (6) | comments 0