Lighting has a powerful effect on our circadian rhythms, mood, and overall quality of sleep. As more people become aware of how their environment affects rest, a common question arises: what is the ...

Veronica Then wore an electroencephalogram, or EEG, cap and stood in front of a black curtain with a white square placed behind her like a target. Studio lights beamed down from the ceiling as a panel ...

David Murphy was formerly the Senior Technology Editor at Lifehacker. Across his 15+ year career in technology journalism, his reviews and how-to guides have appeared in The New York Times, The Wall ...