LifeWe may finally have figured out which group of animals evolved first Biologists have argued for more than 10 years over which animal group is the oldest, but a new analysis points the finger at the jellyfish-like ctenophores 51¶¯Âþ
LifeHow ancient proteins are untangling humanity's family tree We can't extract DNA from some of the most perplexing ancient human fossils. But ancient proteins sometimes survive better, and they are finally starting to give up their secrets Features