ScienceAlert on MSN

Fish Buttholes May Be The Reason We Now Have Fingers, Study Finds

The reason we humans have fingers today may all be thanks to a fish's clacker. New research into the origins of digit formation shows that the DNA switch controlling finger and toe development got its ...
Discover Magazine on MSN

Our Fingers and Toes Trace Their Origins to a Surprising Structure in Fish, And It Isn’t Their Fins

Learn more about the evolution of human fingers and toes, which originate from the genetic programming for a multipurpose orifice in fish.