Learn more› By Kaitlyn Wells and Zoe Vanderweide If you believe the hype, blue-light blocking glasses will prevent headaches, decrease eyestrain, and help you sleep like a baby. But do they work?
A century ago, physics had its Darwinian moment — a change in perspective that was as consequential for the physical sciences as the theory of evolution by natural selection was for biology.
Welcome to Nat Geo Your Shot: National Geographic’s global community for aspiring visual storytellers. Find the community on Instagram @NatGeoYourShot and follow along for hashtag challenges ...