Biological clocks: How does the body know that time goes by?

In April of this year, Spanish athlete Beatriz Flamini emerged into the light after a 500-day stay in a cave. Her descent underground is probably the longest undertaken by a long stretch. Flamini says she lost all sense of ...

Elegantly modeling Earth's abrupt glacial transitions

Proxy data—indirect records of the Earth's climate found in unlikely places like coral, pollen, trees and sediments—show interesting oscillations approximately every 100,000 years starting about one million years ago. ...

Seen from space, the snow-capped Alps are going green

The famous snow-capped peaks of the Alps are fading fast and being replaced by vegetation cover—a process called "greening" that is expected to accelerate climate change, a study said Thursday.

Bacteria use DNA replication to time key decision

In spore-forming bacteria, chromosomal locations of genes can couple the DNA replication cycle to critical, once-in-a-lifetime decisions about whether to reproduce or form spores. The new finding by Rice University bioengineers ...

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