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multicellularity

Abstractions blog

Can New Species Evolve From Cancers? Maybe. Here’s How.

August 19, 2019

Researchers agree it’s a long shot, but transmissible cancers could theoretically evolve into independent species. Certain weird parasites might be living proof.

evolution

Scientists Debate the Origin of Cell Types in the First Animals

July 17, 2019

Theories about how animals became multicellular are shifting as researchers find greater complexity in our single-celled ancestors.

Life’s Big Leaps: Critical Moments in Evolution

Life’s Secrets Sought in a Snowflake

November 3, 2015

A single genetic change and some clever geometry show how single-celled organisms can band together to form cooperative multicellular entities.

Multicellularity
evolution

Where Animals Come From

July 29, 2014

Bacteria may have helped single-celled organisms make the leap to multicellular animals.

Q&A

Debating the Evolution of Multicellularity

September 25, 2013

An interview with the developmental biologist Cassandra Extavour on the origins of multicellular organisms and the evolution of cooperation.