A Single Mutation May Have Sparked Multicellular Life

Millions of years ago, a very important change — or mistake — in our ancestors’ DNA occurred, and it may explain why we’re all here.

Single-celled organisms swimming through a primordial sea was what life consisted of long ago. But at some point, cells started coming together to create entities with two, ten and eventually millions, of cells. This led to the rise of organisms containing different kinds of cells, which paved the way for the creation of tissues and organs, and eventually li

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