Malapterurus beniensis may look like a harmless catfish lounging on the bottom of a tank, but these creatures are far from benign. Packing a powerful 300 V electric shock, the fish usually reserve their pyrotechnics for stunning prey. ‘We always wear thick rubber gloves when handling the fish’, chuckles Stefan Schuster from the University of Bayreuth, […]

Having your eyes stuck on the side of your head is great to avoid turning up on someone else’s menu. Providing almost 360 deg vision, wide-set eyes give pigeons the best chance of escape. But they also have lousy stereo vision. With little overlap between the views of both eyes, no one knew whether the […]

Taking those first steps on land after emerging from the primordial swamp required a lot more than simply changing the way the earliest pioneers moved and breathed. The ancient innovators must also have sealed their skins to prevent water loss in the relatively dry surroundings. They may even have repurposed their external layer to absorb […]