If you turn the spotlight over, you'll notice an on/off switch on the reverse. However, if you are operating the switch in the daylight you won't be able to tell whether it is on or off. Simply place ...

Scientists discovered years ago that the hypothalamus -- which helps to manage body temperature, hunger, sex drive, sleep and more -- includes neurons that express the protein opsin 3 (OPN3). Far less ...

A new study is offering a clearer picture of how planets are born alongside stars, with the lead researcher from British ...

A simple plastic bottle filled with water and bleach can brighten homes during daylight hours. This ingenious idea sparked ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.

Why Trust Us? What’s the first thing you think of when you hear the word light? It’s likely some-thing with a positive association—like the phrase “see the light,” for example ...

Best of all, it's just 19.7 light-years away from Earth ... the presence of 'exoplanets' – planets outside of our solar system. It uses a planet-detecting method called radial velocity ...

Historical listed street lamps stolen in Cambridge have been recovered in a haul found by police in a neighbouring county earlier this month. Three of the lanterns - known as Richardson candle ...

Listen to more stories on the Noa app. God said, “Let there be light”—everyone knows that. But God did not specify what color light, and this would eventually prove problematic. In the age ...

Marc Novicoff is an assistant editor at The Atlantic and a former POLITICO Magazine intern. America has a teenage vaping problem. In a recent survey, 1,630,000 middle and high schoolers in America ...