If you've spent the day outdoors, the brightness of the phone makes no impact, Zeitzer says. It's what you're doing on that phone that matters. "At that point, it's not the blue light keeping you up.

Modern technology has allowed us to work and play in the dark now, but there is evidence that sunlight continues to affect ..

“People who work at stores that just sell ... (Steve Metsch/Naperville Sun) What do you tell customers? “Take (paint) chips ...

Solar panels work on cloudy days but don’t absorb as much energy ... homeowners should look at solar energy as a matter of ...

Another top tip to charge solar lights without the sun is using artificial lighting. Sources such as regular power bulbs, LED ...

Airing from 1996 until 2001, the programme told the story of four extraterrestrials who come to Earth to investigate the ...