Archive: 10/29/2007

Powerful Molecular Motor Permits Speedy Assembly of Viruses

A team of physicists at the University of California, San Diego and biologists at Catholic University of America, Washington D.C. has shown that a tiny viral motor generates twice as much power, relative to ...

Oct 29, 2007
4.6 / 5 (31) 0

Truss Work, Spacewalk Preps on Tap Today

The Space Shuttle Discovery and International Space Station crews are using the station and shuttle robotic arms to move the P6 truss segment and preparing for Tuesday’s spacewalk, the third of the mission. The crews will ...

Oct 29, 2007
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Dinosaur Deaths Outsourced to India?

A series of monumental volcanic eruptions in India may have killed the dinosaurs 65 million years ago, not a meteor impact in the Gulf of Mexico. The eruptions, which created the gigantic Deccan Traps lava ...

Oct 29, 2007
4.3 / 5 (44) 10

Social standing influences elephant movement

When resources are scarce, who you know and where you're positioned on the social totem pole affects how far you'll go to search for food. At least that's the case with African elephants, according to a study ...

Oct 29, 2007
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Tracing the Roots of the California Condor

At the end of the Pleistocene epoch some 10,000 years ago, two species of condors in California competed for resources amidst the retreating ice of Earth's last major glacial age. The modern California condor triumphed, while ...

Oct 29, 2007
4.6 / 5 (8) 1

Scientist exposes threat to backyard bird diversity

A leading environmental scientist from the University of Western Sydney has revealed that parrots commonly thought of as native to Sydney, are in fact invaders from inland areas of Australia, and their growing presence is ...

Oct 29, 2007
4 / 5 (3) 0

The Watchdogs of chromosome-segregation

Chromosomes are duplicated before they are segregated in equal parts to daughter-cells during cell division. An important regulator of this chromosome-separation is the "chromosomal passenger complex", a protein ...

Oct 29, 2007
3.6 / 5 (5) 0