Archive: 18/09/2006

Bitter Taste Identifies Poisons in Foods

Scientists at the Monell Chemical Senses Center report that bitter taste perception of vegetables is influenced by an interaction between variants of taste genes and the presence of naturally-occurring toxins in the vegetable. ...

dateSep 18, 2006 in
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Why Evolution Drives Some Cells to Altruism

Nature has been capitalizing on the benefits of a specialized labor force long before Henry Ford made it popular. New research suggests the same principles Ford used have driven the evolution of complex organisms.

dateSep 18, 2006 in
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Detecting Cancer with Silica Nanoparticles

Tumor necrosis factor-alpha is a widely accepted biomarker for cancer, but the minute amounts of this protein circulating in blood makes detecting the molecule and measuring its concentration accurately a technological challenge.

dateSep 18, 2006 in Bio & Medicine
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Project uses nanotubes to sniff out heavy metals

A team of researchers from Arizona State University and Motorola Labs has developed sensors based on carbon nanotubes, microscopically small structures that possess excellent electronic properties. In early tests, the new ...

dateSep 18, 2006 in Nanophysics
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Swotting up on sex differences

A University of Queensland researcher is investigating the genetic triggers of key differences between males and females including longevity and particular disease rates.

dateSep 18, 2006 in Genetics
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