Charcoal stored in preserved guano gives helps reconstruct regional fire histories
Other charcoal particles also may fall to the cave floor, where guano accumulates. Though some previous research has used ...
A mere whiff of penguin poo pushes krill to take frantic evasive action
Imagine looking at the world through the stalked compound eyes of krill in the Southern Ocean. All of a sudden, a penguin appears like a voracious giant, streamlined like a torpedo, chasing and ...