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The hyena's cackle isn't a laugh at all—it's a survival code written in pitch and stress. Smithsonian Channel's "Why Do Hyenas Laugh?" takes on one of the ...

An Australian legend known for going barefoot around the world's deadliest reptiles nearly lost his hand proving his own theory right. Rob Bredl built his ...

Greg Ovens heads back into the Canadian Rockies to finish a job he started on Day 14. Months after wrapping the 30 Day Survival Challenge with fellow ...

Wild lemurs in Madagascar have found a way to get high off millipede venom — and BBC spy cameras caught the whole ritual on film. The sequence comes from Spy ...

Two survival instructors with opposite philosophies still agree on the same five priorities when the wilderness turns hostile. "5 Basic Survival Skills ...

One backflip over a 72-foot canyon turned a mountain biker into an internet legend before most people even knew his name. At the 2013 Red Bull Rampage finals ...

A rat the size of a small cat might be the best landmine detector on Earth. Mandy is a young African giant pouched rat working through evaluation at APOPO's ...

A Paris design student built a suit that turns downhill mountain roads into a giant skating rink — and himself into a human wheel. Jean-Yves Blondeau isn't a ...

Behind every ordinary bookshelf might be a room nobody's supposed to find. Incredible Machines built a channel around gear that hides in plain sight, and its ...

A twenty-metre-wide Yorkshire river vanishes into a gap you could almost step across — and that's exactly why people die there. Tom Scott heads to Bolton ...