Greg Utz

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The secrets of color-changing chameleons revealed

Scientists studying chameleon skin have discovered the secret to the lizards' color-changing prowess: Rather than relying purely on pigments, the animals use photonic nanocrystals in their skin to manipulate light with exquisite precision.<p>The findings, described in the journal Nature …

Secrets of the Water Bear, the Only Animal That Can Survive in Space

The microscopic tardigrade—also known as the water bear—is the only animal that can survive the cold, irradiated vacuum of outer space. We talked to leading tardigrade researchers to find out what makes these little guys so amazing.<p><b>What's so special about tardigrades?</b><p>Tardigrades are a class of …

Biology

10 Earth Landscapes That Look Like They're From Another Planet

Believe it or not, these photos were all taken right here on Earth.<p>The Earth is filled with amazing natural wonders, but some of them are so extraordinary you'd think you landed on another world.

Mega-Ichthyosaur Discovery on Svalbard

Changing Planet<p><i>The hunt for fossils in the far-flung reaches of Svalbard is on! Jørn Hurum and his associates ply the arctic waters and snows of Svalbard to dig up some of the northernmost dinosaur fossils in the world. Their findings, particularly of ichthyosaurs, are some of the most unique on</i> …

PM/AM: Jellyfish Use Supercomputer Strategy to Hunt

Stories, videos, and our thoughts on big news you might have missed.<p><i>Welcome to PM/AM, Popular Mechanics' morning briefing on the top science and tech stories for today.</i><p><i>A Purple-striped Jelly at the Monterey Bay Aquarium in California. (Photo credit: Sanjay Acharya)</i><p>Yesterday, we learned how IBM …

Smithsonian.com | Smithsonian Magazine | Smithsonian

May 16, 2018 8:00AM<p>May 15, 2018<p>May 14, 2018

Shocking Image Of Australian Boy Holding Decapitated Head Provokes Outrage

"That's my boy."<p>Australian Prime Minister Tony Abbott said the photo is "more evidence of just how barbaric (ISIL) is," while the Defence Minister Sen. David Johnston linked the publication to the need for new counter-terrorism laws to fight so-called home grown terrorists.<p>"I'm obviously revolted …