An international team reasoned there had to be a purpose for sleep. In one of the largest datasets ever collected, they believe they found two functions.
Watches are everywhere on the heath. Look up, look down, look inside; biology runs on time.
A philosopher and a bioethicist want a “Jane Goodall” to come forward as “an ambassador for rats.”
The graceful, pulsating moon jellyfish move in “a very efficient way,” say biologists at the University of Bonn.
Molecular clocks are a relatively simple concept.