Paul Davies

Apr. 03, 2009

Astrobiology and the Origins of Life

In this hour of Science Friday, a conversation on astrobiology, the origins of life...and the possibility we're not alone in the universe.

astrobiology, life, extraterrestrial, alien life

Nov. 23, 2007

Why is the Universe Right for Life?

How did our universe develop in such a way that we can exist? Is it by accident or design -- and is that a question science can answer?

davies, cosmology, life, universe, philosophy


Michael Pollan Talks Plants and Food

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Cetacean Science


Mystery Box

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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