Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Scientists have taken a major step toward the ambitious global goal ...

This research suggests that even chaotic, unpredictable phenomena, like waves on a shore or the beating of a heart, can be used to measure the passage of time. This new idea goes against the ...

Physicists have demonstrated all the ingredients of a nuclear clock — a device that keeps time by measuring tiny energy shifts inside an atomic nucleus. Such clocks could lead to vast improvements in ...

Your brain might be older than your chronological age. Here's how scientists are using the 'cognitive clock' to measure brain health. There’s a new tool in town that’s supposed to help measure ...