This is the next article in our ‘Light and health’ series, where we look at how light affects our physical and mental health in sometimes surprising ways. Read other articles in the series.

Here’s how it works. The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second — a universal constant ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. And it's not just useful for photography. You can also use a lightboxes to trace artworks, ...

On October 27, Jennifer reposted Instagram Stories from other accounts that revealed the necklace was designed by Fulco di Verdura for Paul Flato in 1935. The dazzling piece features aquamarine ...

For double the benefits, It also features bacteria-fighting blue light if you have any body acne. Best for: Entire body Number of LEDs: 68 Customer review: "This is unbelievable. Since using this ...

Mariam Naficy, the founder of cosmetics retailer Eve and design marketplace Minted, has a long history of supporting independent artists and helping them sell their products. Her latest venture ...

The 'Before' star discusses her decades-long marriage to actor and author Robert Desiderio Sara Jaye Weiss/Shutterstock For Judith Light, the key to her thriving marriage is not caring about what ...

(AP Photo/Marta Lavandier) FILE - Kmart shoppers mill around the flashing blue light, sign of the “Blue Light Special,” at the first Kmart ever built in Garden City, Mich., on March 1, 1982. (AP Photo ...

An antique diamond necklace worn at two British coronations, which experts believe is linked to an historic scandal involving Marie Antoinette, is set to be auctioned for an estimated £2.1 ...