Big History, the field that studies the entire known past of our universe to give context to human existence, has so far been the domain of historians. Geologist Walter Alvarez-best known for his Im
Walter Alvarez and his team made one of the mostastonishing scientific discoveries of the twentieth century--that an asteroidsmashed into the Earth 65 million years ago, exterminating the dino
Big History, the field that studies the entire known past of our universe to give context to human existence, has so far been the domain of historians. In The Little Book of Big History, geologist Wal
One in a million doesn’t even come close.Not when we’re talking about the odds that you would happen to be alive today, on this particular planet, hurtling through space. Almost fourteen billion years
Big History, the field that studies the entire known past of our universe to give context to human existence, has so far been the domain of historians. Geologist Walter Alvarez-best known for his Im
Sixty-five million years ago, a comet or asteroid larger than Mt. Everest slammed into the Earth, causing an explosion equivalent to the detonation of a hundred million hydrogen bombs. Vaporized impac
Sixty-five million years ago, a comet or asteroid larger than Mount Everest slammed into the Earth, inducing an explosion equivalent to the detonation of a hundred million hydrogen bombs. Vaporized de
