Moon Smasher/Secrets in the Salt/Bird Brains/Lonnie Thompson

28th July 2009 Season 4 Episode 5

Follow a NASA satellite looking for water on the moon, see what ancient salt deposits reveal about life 250 million years ago, learn how bird brains are remarkably similar to our own, and meet a climatologist who digs for clues to climate change in the world's highest glaciers.

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Season 4 · Episode 6

Public Genomes/Algae Fuel/Arctic Ocean Seafloor/Yoky Matsuoka

Explore the controversies behind genetic testing and genome sequencing, learn about algae fuel, follow an expedition to the Arctic Ocean seafloor, and meet a woman engineer designing prosthetic limbs controlled by human thought.

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