This woman follows polar bears until they give a crap. The best bit of this story by Erin Biba is Quinoa, the polar-bear-poo-tracking dog who has his own anti-bear escape ladder.
First "living" artificial arteries are being implanted in patients. Cynthia Graber on Laura Niklason’s tissue engineering work.
"His oven is one of the earliest devices that gave human control away to a machine.” Steve Ashley on the vulgar mechanic and his magical oven.
"Can casual marijuana use damage brains of young adults? New study says yes—participants suggest otherwise.” Maia Szalavitz once again countering some dodgy drug claims.
Do jellyfish have minds? Oliver Sacks writing beautifully ...