Bertha Madras
Professor, Psychobiology
Department of Psychiatry
Harvard Medical School
Southboro, Massachusetts

Oct. 12, 2012

Feds to Debate Marijuana as Medicine

A federal appeals court is set to hear the scientific case for marijuana's therapeutic effects.

medical marijuana, cannabis, pot, medical pot, appeals court, weed, hemp, smoking

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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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