We sleep less as we age because our brains don’t think we're tired

Sadly, there’s nothing we can do about it—yet

By Claire Maldarelli
April 5, 2017

Harley-Davidson's 2 Electric Concept Bikes Are Ready And Riding

Read More

Harley-Davidson's 2 Electric Concept Bikes Are Ready And Riding

Latest

Never waste bread again
11 super-nerdy photography facts about the cameras we took to the moon
Buzz Aldrin sloshed around in pee on the moon (and 11 other Apollo facts)
How to tell if your computer has been tampered with
Money, shoes, poop, and other highlights from the 796 items we’ve left on the moon
Polaris built a lunar rover replica that can drive 60 miles per hour here on Earth
Medications could affect how you react to a heatwave
How to print giant wall-worthy images yourself
The Apollo moon rocks continue to reveal secrets of the cosmos