The Human Super Weapon
The human brain is a marvelous adaptation. More than that. It's our super weapon. If we measured its capacity in bytes, it would be equivalent to 2.5 petabytes (or 2.5 million Gigabytes). For those who want to measure it in more palatable units, that's roughly 3 million hours of TV shows . No wonder why it's such an energy suck : with only 3% of our body mass, it uses 20% of the body's total blood supply and 25% of its oxygen. Our brain is what made us competitive in nature, what's allowed us to increase our standard of living, and what facilitated the domination of the elements for the exclusive and selfish benefit of our kin. And maybe, too, for the benefit of one or two super lucky chosen species that we like over the rest of the animal kingdom because we happened to breed them to our liking. But before we dominated the planet, natural selection was this randomized process of trial and error in which each species could get better generation after gener...