tiktaalik

A Time Machine for Limb Evolution

July 11, 2011

It’s one of the most significant events in Earth’s history: the moment when a sea creature first stepped – or more likely wriggled – onto land. The momentous occasion 400 million years ago opened up a whole new habitat where [Read more]

The Tools We Share With Sharks

January 11, 2011

Billions of years of evolution has produced an incredible diversity of life – “endless forms most beautiful and wonderful,” as Darwin famously put it. But a fascinating thing about evolution is it has produced such a wide variety [Read more]

An Award for Your Inner Fish

September 30, 2009

Whenever I see a drawing of Tiktaalik like the one above, I always think “Man, that walking fish sure looks snooty.” But Tiktaalik roseae, discovered in 2004 by University of Chicago evolutionary biologist Neil Shubin and his team in the [Read more]