<p>People who sleep better earn more money. Now all we have to do is teach everyone to sleep better.</p>

213. Aziz Ansari Needs Another Toothbrush

Freakonomics co-author Stephen J. Dubner uncovers the hidden side of everything. Why is it safer to fly in an airplane than drive a car? How do we decide whom to marry? Why is the media so full of bad news? Also: things you never knew you wanted to know about wolves, bananas, pollution, search engines, and the quirks of human behavior.

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