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Living Mechanical Gear

The science blogs were all a flutter last week with the announcement that researchers in the UK had identified the only known example of a mechanical gear in nature. The gear in question belongs to the adolescent form of the Issus genus of planthoppers, small...

Nature’s Torpedoes

Penguins can’t fly. Optimized for life at sea, their flipper-like wings won’t take them skyward, no matter how hard the birds flap them. Still, that doesn’t stop them from getting some big air. Especially when they need to evade a hungry leopard...

Another Reason Spider Webs are Sticky

New research suggests that one reason spider webs are so effective at capturing prey, may be magnetism. Or, more precisely, that they respond to the electrostatic charge generated by flying insects. The authors of a new study found that the silk threads of webs made...

17-Year Cicadas: More Than Just Loud Noise!

For people living in the eastern United States, early summer in can involve a lot of time spent trying to talk over the sound of cidadas calling. Millions of cicadas, Magicicada septendecim, emerge every 17 years to mature, call, mate, lay eggs, feed, and return to...

Discover Biology on Coursera

For those looking to deepen their understanding of biology, Coursera is a great resource for free classes. Right now there are over 40 online courses listed under biology.  Our top picks include Evolution for Educators, taught by the American Museum of Natural...

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