Standards of beauty differ across cultures, but it seems human beings may possess an innate preference for symmetrical faces. We witness the pain inflicted on those society deems unattractive.
Skydiver Michael Holmes plunged at a speed of 100kph after a parachute malfunction. Find out how he lived to tell the tale – and jump again.
Put your brain to the test with a serious workout and discover unexpected ways to boost your mind's flexibility, concentration and memory.
Bayonet Point, Florida, USA: Two divers exploring an underwater cave. This image is from Sinkhole...National Geographic Television