A central problem for theories of unguided evolution has always been the challenge of building complex biological novelties.
The largest animals that ever lived defy simple evolutionary stories.
I hardly dared to dream that, as an early Christmas present, 2017 would close with a final blow to the Out of Africa story.
Scientists are taking baby steps toward imitating what cells do all the time.
Darwinian theory attributes the most wonderful creativity to the power of random mutations (sifted by natural selection).