Fairy-wren chicks taught secret passwords to thwart dickish cuckoo birds

Cuckoo birds have evolved a nasty habit of laying their eggs in the nests of other bird species, who then unknowingly tend to their young. But as new research published in Current Biology reveals, the fairy-wren has developed a rather ingenious countermeasure: Expectant mothers teach their unhatched offspring a… » 11/09/12 8:30am 11/09/12 8:30am

Enslaved worker ants fight back through acts of sabotage

It would appear that ants that are kept as slaves by more powerful species aren't as helpless as they might appear. New research from Gutenberg University Mainz in Germany shows that enslaved ants conduct their own form of civil disobedience, by neglecting and killing the offspring of their oppressors. And by doing… » 9/27/12 2:40pm 9/27/12 2:40pm