Evolution: The Movie, courtesy of a really big Petri dish
Enlarge / Evolution in action, as distinct lineages leave traces while they expand into new habitats.Harvard Medical School reader comments 1 Share this story For most species we see, evolution is a slow process, requiring generations to show its effects. But the species we can't see—bacteria and other microbes—can go through dozens of generations...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark