Latest
Featured in summer 2019
Sep 08, 2020
To hit renewables targets, countries are sharing energy across borders
It takes a lot more than adding wind turbines and solar panels to transform a giant power grid.
May 25, 2020
Solve the famous water puzzle from Die Hard 3
Tackle this brain teaser with a vengeance.
May 17, 2020
Can you count all the triangles in these images? (Hint: There are more than you think.)
These polygons contain multitudes.
May 15, 2020
There’s a reason looking at food photos makes you hungry
They trick your brain into making your tummy rumble.
Apr 24, 2020
These strawberries aren’t red. Here’s why your brain is sure they are.
Color constancy is playing tricks on you.
Oct 28, 2019
Horseshoe crab blood is rare but crucial for medicine, so this scientist came up with a solution
The rarest blood is blue.
Oct 28, 2019
Three alternative ways to charge your phone
Sunlight, fire, and even a hand crank can pump juice into your device in a pinch.
Aug 27, 2019
Inside New York City’s vanishing community of repair shops
Skilled fixers still service everything from cameras to denim.
