Jacques Piccard is thousands of metres below the sea in his tiny deep-sea submersible heading towards the deepest part of the Pacific Ocean. Then he and his companion, Don Walsh, hear an ominous crack and feel their craft shudder. To find out what happens read Cracking Under Pressure - Jacques Piccard and the Descent to Challenger Deep, the seventh story in the gripping weekly serial, Into Danger with the Adventurers - Twelve Epic Lives of the Twentieth Century.
Alexei Leonov has completed the first ever spacewalk. But as he reaches the airlock he realises his suit has expanded in the vacuum of space.