Greg Hampikian

Sep. 28, 2012

Analyzing the Evidence on DNA

"All DNA evidence is not created equal," says Greg Hampikian, Director of the Idaho Innocence Project. He’ll tell us why DNA 'evidence' sometimes leads to the wrong conclusion.

dna evidence, forensics, forensic science, crime, criminal case, jury, courtroom, conviction, genetic evidence, biological evidence

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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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