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January 29, 2016

In this episode, we venture to Antarctica in search of space rocks. Plus, an update on the Zika virus, and a tale of another search for an unseen planet in our solar system.

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Oliver Sacks: Under the Influence

Oliver Sacks was wealthy in friends, mentors, and other inspiring companions. Let’s meet a few of them.

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Make a Home for Microbes

In this activity from the American Museum of Natural History, you'll create an entire ecosystem for bacteria called a Winogradsky column.

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The Bacterium Disappearing From Our Stomachs

A primer on the gut bacterium Helicobacter pylori, and the controversy surrounding it.

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