LifeEvolution's big bang: How life on Earth took off Life was single-celled and boring for billions of years, then BOOM! the ancestors of most animals alive today appeared – thanks to a perfect storm of events Features
LifeTape of life may not always be random If we could turn back the clock millions of years, would animals evolve in the same way? Genome data suggests that their options would be limited 51¶¯Âþ