LOS ANGELES (KABC) -- It's been a hot start to September, but a drop in temperatures is coming to Southern California.

Light emitted by your phone, tablet, or laptop can disturb your sleep. Here's how to filter out the blue light for a more restful night.

Photoacids are organic molecules that release protons under illumination, providing spatiotemporal control of the pH. Such light-driven pH switches offer the ability to cyclically alter the pH of the ...