Peter Wayner

May. 11, 2012

Disguising Secret Messages, In a Game of Spy vs. Spy

Steganographic techniques allow a message to be hidden inside a more ordinary looking photo, video, or text.

code, cryptography, security, privacy, al quaeda, terrorism, tsa

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Michael Pollan Talks Plants and Food

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Drug Developments

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Mystery Box

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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