News articles tagged with 'food' (Page 53)
[chronologically, reverse order]
Social tolerance allows bonobos to outperform chimpanzees on a cooperative task
— 8 Mar 2007 20:10 | BiologyIn experiments designed to deepen our understanding of how cooperative behaviour evolves, researchers have found that bonobos, a particularly sociable relative of the chimpanzee, are…
Why do birds migrate?
— 5 Mar 2007 07:00 | BiologyWhy do some birds fly thousands of miles back and forth between breeding and non-breeding areas every year whereas others never travel at all? One textbook explanation suggests either…