Live and learn

The "Straight Dope" column in today's Isthmus mentions that Congress passed legislation in the 1950s banning refrigerator doors that latch closed, and now they're kept shut by magnets. Would you believe this comes as news to me? But a quick experiment with a paper clip and our reliable GE reveals: yep, there's magnets in there. Who knew? Isn't that bad for milk or something?