I never have to look at a white screen again thanks to this new Android feature

For starters, you'll want to go to the Settings menu, as these kinds of walkthroughs often start. Then, you'll scroll down ...
News-Medical.Net on MSN

Everyday light exposure shapes how alert and mentally sharp we feel outside the lab

This real-world study shows that recent and habitual light exposure are linked to lower subjective sleepiness and faster ...