Three important revolutions shaped the course of history: theCognitive Revolution kick-started history about 70,000 years ago.
The Agricultural Revolution sped it upabout 12,000 years ago.
TheScientific Revolution, which got under way only soo years ago, maywell end history and start something completely different. This booktells the story of how these three revolutions have affected humansand their fellow organisms. - P3
But the best thing fire did was cook. Foods that humans can-not digest in their natural formssuch as wheat, rice and pota-toes – became staples of our diet thanks to cooking. Fire not onlychanged food‘s chemistry, it changed its biology as well. - P12