Meet the scientists who are figuring out where it all started. Plus, who can resist video on flatworm…fencing?
Check out the eyes made of rock in some chitons. Nature comes up with another way to sense light.
David Attenborough calls this one a walking compost pile. It's a sloth and it should be the picture beside the word "mellow" in the dictionary.
Zombies are real. Just ask these snails.
Dinosaur evolution: sex, violence and bizarre costumes—what more could we ask?
Bees really are busy. Scientists spent a year following the life of one hive and give the highlights in just under an hour.
Witness the blood-curdling screams of baby frogs.
Check out our more gentle cousins.
No more Kermit. Are we facing the extinction of amphibians?
Fossil jellyfish, but how?