Archive: 01/30/2007

Molecular motors and brakes work together in cells

Researchers at the University of Pennsylvania School of Medicine have discovered that microtubules -- components responsible for shape, movement, and replication within cells -- use proteins that act as molecular ...

Jan 30, 2007
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To trust or not to trust your friends

Sometimes it is better to follow the advice of others rather than your own mind even though you seem to have things under control. Not only humans but also fish follow this doctrine as shown by ecologists Jörgen Johnsson ...

Jan 30, 2007
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Central and peripheral signals set the circadian liver clock

Anyone who has experienced jet lag will understand the importance of a smooth-running circadian clock. Crossing time zones decouples our biological rhythms from the natural cycle of light and dark we’re used ...

Jan 30, 2007
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Dig deeper to find Martian life

Probes designed to find life on Mars do not drill deep enough to find the living cells that scientists believe may exist well below the surface of Mars, according to research led by UCL (University College London). Although ...

Jan 30, 2007
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