50 Things That Made the Modern Economy, BBC World Service In 1948, N Joseph Woodland - a graduate student at the Drexel Institute in Philadelphia - was pondering a challenge from a local retailer: how to speed up the tedious process of checking out in his stores by automating transactions. A smart young man, Woodland - known as Joseph - had worked on the Manhattan Project during the War, and had d
Filmed on a remote island in the Arctic, shrouded in fog, we are treated to stunning footage of a Polar Bear in pursuit of a Walrus. Faced with an imposing wall of blubber and hide, it appears that the world's largest land carnivore may have met his match. Subscribe: http://bit.ly/BBCEarthSub WATCH MORE: New on Earth: https://bit.ly/2M3La96 Oceanscapes: https://bit.ly/2Hmd2kZ Wild Thailand: h
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