A heart that beats (almost) like our own

The fruit fly, long the organism of choice for scientists studying genetics and basic biological processes, still harbors some secrets of its own.

Physicists describe new type of aurora

For millennia, humans in the high latitudes have been enthralled by auroras—the northern and southern lights. Yet even after all that time, it appears the ethereal, dancing ribbons of light above Earth still hold some secrets.

Biologists unravel full sequence of DNA repair mechanism

Every living organism has DNA, and every living organism engages in DNA replication, the process by which DNA makes an exact copy of itself during cell division. While it's a tried-and-true process, problems can arise.

Mother roundworms have ultra-protective instincts

Talk about motherly instincts! Biologists at the University of Iowa have learned that female roundworms can alert their future offspring of dangers they will encounter when born, and the mothers pass on these warnings even ...

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