News tagged with zebra

Earthworm invasion

Beavers reshape landscapes with their dams. Wolves control elk populations. Sea otters protect kelp forests by eating sea urchins. These are what ecologists call "keystone" species: critters that control ...

Sep 12, 2013
not rated yet 1

A chimp-pig hybrid origin for humans?

(Phys.org) —These days, getting a Ph.D. is probably the last thing you want to do if you are out to revolutionize the world. If, however, what you propose is an idea, rather than a technology, it can still ...

Jul 03, 2013 report
3.7 / 5 (179) 169 | with audio podcast

Fraternal singing in zebra finches

The song of songbirds is usually transmitted from one generation to the next by imitation learning and is thought to be similar to the acquisition of human speech. Although song is often learnt from an adult ...

Jun 12, 2013
not rated yet 0 | with audio podcast