There has been one beneficiary of flu madness: the elbow. Handily bendy, usefully pointy, the joint is seeing its moment in the sun. Rubbing elbows together in greeting has been suggested as a way to avoid spreading infection, but if that doesn't work for you, here are some other options.
Also in today's links: ringtones for cars, a beetle that better be funny, and more.
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Science is reinventing play, from extreme sports to gamification to ridiculous roller coasters to the playgrounds of tomorrow, and this issue is chock full of fun. Also, on a less fun note: Did global warming destroy my hometown?