John G. Maisey

Mar. 06, 2009

Oldest Fossil Brain Discovered

Scientists have found a 300 million year old fossil shark ancestor with an unusual feature -- fossilized brain tissue within the creature's skull.

brain, fossil, fish

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Michael Pollan Talks Plants and Food

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Oliver Sacks: Hallucinations

In his latest book, neurologist Oliver Sacks explores the strange world of hallucinations, and documents his own experiments with psychedelic drugs.

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