'Doomsday Clock' stuck at 100 seconds to midnight

The "Doomsday Clock" illustrating the perils facing the planet and mankind will remain at 100 seconds to midnight this year amid the threats of the coronavirus pandemic, nuclear war and climate change.

What makes circadian clocks tick?

Circadian clocks are found within microbes and bacteria, plants and insects, animals and humans. These clocks arose as an adaptation to dramatic swings in daylight hours and temperature caused by the Earth's rotation. But ...

Toward a practical nuclear pendulum

Researchers from Ludwig-Maximilians-Universitaet (LMU) Munich have, for the first time, measured the lifetime of an excited state in the nucleus of an unstable element. This is a major step toward a nuclear clock that could ...

Scientists to announce "Doomsday Clock" time

Scientists behind a "Doomsday Clock" that measures the likelihood of a global cataclysm are set to announce Tuesday whether civilization is any closer or farther from disaster.

page 1 from 3