Challenger Deep is the deepest known point in the Earth’s seabed with a depth of 10,898 to 10,916 m (35,755 to 35,814 ft)
Views from the final frontier
BBC Future explores the temperatures of the Universe from Absolute zero (–273.15°C/ –459.67°F) to ‘Absolute hot’ (Planck temperature)
12 common steak cuts in North America plus 7 diagrams that show how different countries around the world cut their beef
“The true sign of intelligence is not knowledge but imagination” – Albert Einstein
Some of the results may surprise you.