“The Earth is 4.54 billion years old. A span of time that big is too mind-boggling to comprehend, so let’s collapse the… — Ed Yong Copy Share Image
We humans have existed in our present form for about a hundred thousand years. I believe that if during this time the… — Dalai Lama Copy Share Image
Humans have existed only for the last 0.001 percent of cosmic time. All of which says that - unless the Homo sapiens… — Seth Shostak Copy Share Image
