<p>And with her book "Salt, Fat, Acid, Heat," she succeeded. Now she's not so sure how to feel about all the attention. </p>

531. Should You Trust Private Equity to Take Care of Your Dog?

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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