For the first half of geological time our ancestors were bacteria. Most creatures still are bacteria, and each one of our trillions of cells is a colony of bacteria.


The Richard Dimbleby Lecture: Science, Delusion and the Appetite for Wonder (1996)


For the first half of geological time our ancestors were bacteria. Most creatures still are bacteria, and each one of our trillions of cells is a...

For the first half of geological time our ancestors were bacteria. Most creatures still are bacteria, and each one of our trillions of cells is a...

For the first half of geological time our ancestors were bacteria. Most creatures still are bacteria, and each one of our trillions of cells is a...

For the first half of geological time our ancestors were bacteria. Most creatures still are bacteria, and each one of our trillions of cells is a...