If you find yourself going into a freefall inside a metal tube hurtling through the clouds at hundreds of kilometres per hour, and an oxygen mask drops down right in front of you - try not to panic.  Aeroplane crashes are highly survivable. And here's what you can do to increase your chances of survival, according to science.  

Underknown shows take you to the frontiers of science, tell the greatest underknown stories from history and make the most complex ideas and theories entertaining and accessible. Underknown takes you beyond the familiar to explore, question and marvel at the magnificent vagaries of life on Earth and the Universe and ponder our best hopes for our planet, our lives, our children and our future.