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Articles on Evolution

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Hopefully, the pepperoni won’t get too jealous over its disc-shaped competitor’s moment in the sun. Ryzhkov/iStock via Getty Images Plus

What’s behind America’s pickle craze?

The pickle-obsessed can now order a pickle pizza with a side of pickle potato chips, wash it down with a pickle beer and have pickle ice cream for dessert.
Artwork in the Djourab desert, Chad, gives a taste of how our oldest ancestors got around. Sabine Riffaut, Guillaume Daver, Franck Guy / Palevoprim / CNRS – Université de Poitiers / MPFT

Breakthrough shows humans were already standing on their own two feet 7 million years ago

New research shows our oldest ancestors were able to walk as well as evolve in trees.
A rare find — a fossil of Stanleycaris hirpex with the nervous system preserved. (Jean Bernard Caron/Royal Ontario Museum)

Three-eyed Cambrian fossils shed new light on arthropod head evolution

The discovery of a fossil over 500 million years old reveals new information. Its brain and nervous system are remarkably preserved, filling in some gaps in what we know about arthropod evolution.
A great hammerhead shark’s two eyes can be 3 feet apart on opposite sides of its skull. Ken Kiefer 2/Image Source via Getty Images

Why do hammerhead sharks have hammer-shaped heads?

The first hammerhead shark was likely the result of a genetic deformity. A biologist explains how shark DNA reveals hammerheads’ history.
Tritylodon, a therapsid, reconstructed as a night dwelling warm blooded animal. Note the steam coming out of its lungs. Illustrated by Luzia Soares

Mystery solved: when mammals’ ancestors became warm-blooded

Warm-bloodedness is the key to what makes mammals what they are today. That’s why working out when it emerged in mammal ancestors matters.

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