Anomalous” heat flow, which at first appears to violate the second law of thermodynamics, gives physicists a way to detect quantum entanglement without destroying it.

There’s a place in northeast Missouri where treasure hunters, bargain seekers, and the chronically curious converge in a sprawling outdoor bazaar that feels like it belongs in another era.

For the price of a fancy coffee, you can take the plunge without the financial commitment. And yes, you really can build an entire wardrobe for around $45 if you play your cards right. A pair of ...