Time management isn't just important for busy people -- it's critical for plants, too. A new study shows how two biological clocks work together to help plants deal with intermittent demands such as ...

Thanks to the iHome iA91 App-enhanced Dual Alarm Stereo Clock Radio for iPod I woke up at 5am this morning. I woke up at 5am because the iA91 has dual alarms - and that's really practical.

BOULDER, Colo. - What could be better than a world-leading atomic clock? Two clocks in one. Physicists at the National Institute of Standards and Technology (NIST) have combined two experimental ...

Two for one: one of the optical clocks at NIST. (Courtesy: N Phillips/NIST) A new optical clock that is insensitive to an important source of noise has been developed by physicists at the National ...