Most life on Earth to perish — again? Is Earth heading into a sixth mass extinction? A team of UC Berkeley professors and graduate students think it may well be. But it may be possible to stop short of the tipping point.
Whale of a story for a Berkeley grad student and colleagues Big gulp: to drink in a good portion of tiny krill, a Fin Whale somehow more than doubles its size for a few seconds. Nicholas Pyenson studied how and why.