Archive: 29/10/2007

Researchers show evidence of 'memory' in cells and molecules

Research to be reported October 29 in the journal Proceedings of the National Academy of Sciences provides evidence that some molecular interactions on cell surfaces may have a “memory” that affects their future interactions. ...

dateOct 29, 2007 in
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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 its size, as an ...

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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 ...

dateOct 29, 2007 in Space Exploration
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Ancient Amphibians Left Full-Body Imprints

Unprecedented fossilized body imprints of amphibians have been discovered in 330 million-year-old rocks from Pennsylvania. The imprints show the unmistakably webbed feet and bodies of three previously unknown, foot-long salamander-like ...

dateOct 29, 2007 in Archaeology & Fossils
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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 beds of India, ...

dateOct 29, 2007 in Archaeology & Fossils
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