American Woolly Mammoths Pushed Out Siberian Kin
A DNA study finds the world's last-known mammoths were American-born. |
Jamaican Lizards Work Out at Dusk and Dawn
To impress competitors, anole lizards start each day with a vigorous exercise routine. |
Nemo Sniffs His Way Home
Young orange clownfish find their anemone homes with a keen sense of smell. |
Baby Bugs Bully Parents for Food, Protection
Baby bugs come up with creative, aggressive ways to get their parent's attention. |
Living Cells Reprogrammed to Make Insulin
Cells transformed inside a diabetic mouse become successful insulin-producers. |
