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Genes and Sex

October 5, 2004

DNA analysis shows that fewer males than females have reproduced over evolutionary time.

October 4, 2004

Fishing not only reduces numbers of fish but causes evolutionary changes.

October 1, 2004

Getting ideas for drugs from watching what sick chimps eat, and a compound that kills mosquito …

September 30, 2004

The antibacterial compound triclocarban is found in organic sludge used as fertilizer.

September 29, 2004

People with a history of depression have an overactive brain circuit triggered by dips in serotonin.

September 28, 2004

What is baby corn? (Corn harvested 1 to 3 days after the silks appear. It's really corn!)

September 27, 2004

Working memory can be improved with five weeks of intensive training.

September 24, 2004

Medicines that we take end up in the environment, and those drugs can disrupt the hormones of wild …

September 23, 2004

Earth has vital organs -- critical systems -- that interact in complicated and unexpected ways.

September 22, 2004

Studying a potassium channel that can trigger heart arrhythmia when blocked.

September 21, 2004

The world's fastest supercomputer is being used to model earth systems.

September 20, 2004

The Census of Marine Life has found many new species near the Mid-Atlantic Ridge.