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Evolution6326 articles archived since 1845

Bear Gut Microbes Help Prep Hibernation

Bears’ gut summer bacteria are more diverse and include species that tend to promote energy storage than are the bacteria that live in them during their hibernation 

February 4, 2016 — Karen Hopkin

The Collective Wisdom of Ants

Ant colonies work without central control. Knowing how they do this might help us understand other systems that have no leader, from brains to the Internet

February 1, 2016 — Deborah M. Gordon

3-D Printed Trilobites

In his spare time, D. Allan Drummond, an assistant professor at the University of Chicago in the Department of Biochemistry and Molecular Biology, fuses art and science to create lifelike trilobite sculptures.

January 26, 2016 — Eliene Augenbraun and D. Allan Drummond

Sharks Head Straight Home by Smell

Sharks that could smell headed straight back home when taken a few miles away whereas some that had their senses of smell blocked took slower, more erratic paths to their old haunts

January 21, 2016 — Jason G. Goldman

"Dragon Thief" Dinosaur Thrived after Primordial Calamity

In the early years of the Jurassic Period, when the world was recovering from one of the worst mass extinctions on record, a modest meat-eating dinosaur from Wales helped pave the way for some of the most fearsome predators ever to stalk the planet

January 21, 2016

Volcano Role in Dino Death Gets Mercury Boost

Researchers found a spike in mercury, which is produced by volcanoes, in ancient ocean sediments from southern France that span the time of the dinosaurs' mass extinction, lending support to the idea that massive eruptions played a role, in addition to the asteroid impact

January 20, 2016 — Julia Rosen

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