It’s just a clump of 16 cells, but it tells us a lot about an otherwise lost chapter in the evolution of multicellularity. The cells, which belong to a species of green algae called Gonium ...

A Huge Experiment May Have Just Revealed the Secret to Multicellularity No big deal—it just changes what we know about evolution.

Fossil records offering convincing evidence show that eukaryotes with simple multicellularity, such as red and green algae, and putative fungi, appeared as early as 1.05 billion years ago.