(koto_feja/Getty Images) A breakthrough in chronometry decades in the making could redefine the limits of how we keep time.

(The Conversation) — It is that time again. Time to wonder: Why do we turn the clocks forward and backward twice a year? Academics, scientists, politicians, economists, employers, parents – and just ...

Rushing to get to work in the morning, we grab our coat, bag and keys and – invariably – steal a glance at the clock to check that we are running on time. The passing of time is so integral to our day ...