TO KINETIC ENERGY IN THE BLINK OF AN EYE. CATAPULTS ARE A BATTLE WEAPON DATING BACK TO MEDIEVAL TIMES, AND NOW THAT SAME CONCEPT SHAPES OUR DAY TO DAY LIVES. FIRST WARNING METEOROLOGIST MARQUISE MEDA ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. Sometimes, a great find is hiding right beneath one’s nose in ...

Using CT scanning on 16th-century books, researchers uncovered bits of parchment salvaged from handwritten manuscripts. By Katherine Kornei Even in medieval times, recycling was in vogue: Bits of ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Wealth confers privilege, and for many people during the Middle ...