Our continents are a lot older than our oceans. Why is that and what can we learn about the formation of the Himalayas?Watch the full fourth lecture of the series:
James Jackson gave the 1995 Christmas Lectures "Planet Earth: An Explorer's Guide" about the inner workings of planet Earth.
The fourth lecture " The Puzzle of the Continents", where this clip is from, explains how our continents were formed and looks at what the future might look like.
Watch the full series:
Christmas Lectures are a popular children's science show broadcast every year on the BBC. As such they fall under YouTube's 'Made for Kids' category, which means that some common features are disabled on this video, such as comments, cards and end screens.
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