Featured in make it last

To hit renewables targets, countries are sharing energy across borders
Solve the famous water puzzle from Die Hard 3
Can you count all the triangles in these images? (Hint: There are more than you think.)
There’s a reason looking at food photos makes you hungry
These strawberries aren’t red. Here’s why your brain is sure they are.
Counting decapitated sperm and other time-consuming science tasks
Horseshoe crab blood is rare but crucial for medicine, so this scientist came up with a solution
Three alternative ways to charge your phone
How many people can the planet actually hold?
Inside New York City’s vanishing community of repair shops