A temporary export bar has been placed on a pocket chronometer present on the second voyage of HMS Beagle, well-known for ...

Science-fiction once imagined doctors waving sleek “tricorders” over patients to read every vital sign in seconds. Today, anyone with a smartphone can capture an ECG, count breaths, or schedule a ...

A small town in Tennessee courted national publicity a century ago when it recruited a local teacher to challenge a state law ...