The history of the beginning of man's reach for space travel. Some previously classified American and Russia footage is inter-spliced with Mike Wallace interviewing people about their first-hand experiences.

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In the 1960s a young woman works at NASA as an animal trainer responsible for the chimpanzee who will go into space.

The dramatic story of the British expedition that made the first ascent of Everest. Combining interviews with the surviving members of the 1953 British and 1952 Swiss attempt on Everest with rare archival material, this film tells the story of the race to climb Everest in the early 1950s and its climax in 1953.

Welcome to the wildest competition known to man -- the speed record on the Nose route of El Capitan. Yosemite legends Dean Potter and Hans Florine go head-to-head, racing up 3,000 feet of vertical rock in under three hours, risking life and limb.

Babe Ruth set a record in 1927 by hitting 60 home runs in one season. 34 years later, Roger Maris broke that record. Another 37 years passed before that record was broken by Mark McGwire. Five days after McGwire's feat, Sammy Sosa broke the brand new record. And the race was on! Fans watched breathlessly as the record passed between the two men and time left in the season dwindled. Relive it all, from Ruth, to Maris, to the final days of the 1998 Sosa/McGwire slug-fest.

Lost movie.

Antonia Quirke looks at the history of the colour film industry to find out who produced the first moving colour images.

The Arctic is melting. Fast. There is a scramble by Russia, China, the US, Canada and the EU to secure the region’s natural resources and control the Arctic’s sea lanes. The sooner the Arctic melts, the more dangerous the fight for its control will be. Even Greenland is suddenly up for grabs, if the new US president gets his way. To find out how soon we will have an ice free Arctic, the American ice breaker USCGC Healy is on a scientific mission to the Extreme North. So who is leading the race for control of the Arctic? And what will the Healy discover in its historic mission to the Arctic Ocean?

Yogi Bear and other Hanna-Barbera figures match wits as they race around the galaxy.