Joshua Tewksbury

Aug. 15, 2008

What Put The Heat in Chili Peppers?

New research indicates that chili pepper plants may have developed their signature heat as a way to fight off fungal infections caused by insects.

chile peppers, chili peppers, capsaicins, pepper plants

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Michael Pollan Talks Plants and Food

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How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

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