Yuri Gagarin was the first spaceman. This week’s special is an hour long special on that epic mission 50 years ago.
Each week, Discovery takes an in-depth look at the most significant ideas, discoveries and trends in science, from the smallest microbe to the furthest corner of space.
The book "Where Good Ideas Come From: The Natural History of Innovation" explores why certain environments seem to disproportionately spark the generation and sharing of good ideas. Author Steven Johnson joins us.
When young Charles Darwin set out on the Beagle, near the top of his wish list was a rare and coveted bird: the lesser rhea, a South American version of the ostrich. The bird had been sighted by a French rival — but never caught. Darwin wanted to be the first to snatch the prize for Britain. And he did find the bird, just not in the shape he was expecting.