Archive: 05/15/2007

The Mathematics of Natural Motion

Circles, slaloms, figure eights, and loop-the-loops – biologists studying the motion of Listeria monocytogenes sensed that these paths were related, but they didn’t have a good way to define what fit in ...

dateMay 15, 2007 in Mathematics
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Hens change sex behaviour to outfox males

Hens solicit sex in the morning in male-dominated groups of chickens to avoid an evening of sexual harassment from amorous cockerels, according to new research.

dateMay 15, 2007 in
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NMR advance relies on microscopic detector

Detecting the molecular structure of a tiny protein using nuclear magnetic resonance (NMR) currently requires two things: a million-dollar machine the size of a massive SUV, and a large sample of the protein ...

dateMay 15, 2007 in Medical research
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The next big thing in molecular separation

A new sieve designed by a University of Alberta graduate student could be the next big thing in separating molecules using really, really small devices.

dateMay 15, 2007 in
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Making days longer than 24 hours

People at a research hospital in Boston have been living 24-hour, 39-minute days. They were part of an experiment to show that the 24-hour human sleep-wake cycle can be adapted to other biological rhythms ...

dateMay 15, 2007 in Space Exploration
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