NOTE: This was first published on Aug. 30, 2022. MINNEAPOLIS -- This time of year, we enjoy about 14 hours of daylight from dawn until dusk. So how should we protect our eyes from the sun? And which ...
Hosted on MSN
How do sunglasses work to filter UV rays?
Here's a dazzling summer day where every ray of sunlight forces you to squint. You then put on your sunglasses, and immediately the world regains its colors without that annoying burning sensation in ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results