Randomness favours the worm becoming free because its head can move in many ways that will help to propel it forwards, but only one that would push it backwards. Because of the intrinsically random ...
In the journal Science Advances, scientists in Sweden and the U.S. report the first-ever direct observation of a type of short-lived molecule that has shaped decades of thinking in atmospheric ...
The Miocene, beginning approximately 23 million years ago, represents a canonical "warm-Earth" interval characterized by elevated atmospheric CO2 and a warmer global climate. The El Niño–Southern ...