Dutch law requires cyclists to use lights after dark or in poor light, but there are few rules about how they should be fitted or how bright they should be. The law says lights must be white or yellow ...

The 'Before' star discusses her decades-long marriage to actor and author Robert Desiderio Sara Jaye Weiss/Shutterstock For Judith Light, the key to her thriving marriage is not caring about what ...

The light also includes a timer function with multiple settings: four, eight and 12 hours, based on a 24-hour cycle ... the light equivalent of a 50-watt halogen bulb. You can choose from ...

The holidays are fast approaching, and what better way to usher in the season is by upgrading your home with appliances that ...

Even if you were aware of them, light pollution made them difficult to see, unless you went to a dark area and let your eyes adjust. Our own galaxy is invisible to nearly 80% of people in North ...

The water cycle is the vital Earth process that moves freshwater and moisture around the planet, and for the first time in human history, that system is breaking down. A new report from the Global ...

Our circadian rhythm – the wake-sleep cycle driven by our brains and hormones – is another piece of heavy evolutionary baggage triggered by light. Our nearest relatives (chimps, gorillas and ...