Watch out, brains because it's going to get dangerous up in here. Learn about the deadly secrets behind animal kingdom's own goofball - the blowfish, and why people actually want to eat it. (Get it? Goof-BALL? Ok.) Hear Dana ROAR about the legendary "Big 5." Just exactly how lethal are your day-to-day activities? Find out about the most dangerous jobs in America, and why Alfred Nobel was such a (smart) weirdo. And why a turn-of-the-century craze is still haunting France and France's wallet today.

ALSO: 1960's Jeopardy, SQUARE TRIVIA!

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