10 of the worst wildfires in U.S. history
A look at the country’s biggest fires and the destruction they left behind.
Yurts: Everything you ever wanted to know
Here’s your 101 guide on the structure that helped Genghis Khan conquer Eurasia — from how they’re made to where you can stay in one or where you can buy one.
15 udderly adorable baby cows and goats
See more photos.
Australian woman sounds French after car crash; foreign accent syndrome to blame
There have been only about 100 known cases of the rare condition since it was first reported in the 1940s.
Are you a cat person or a dog person?
It’s one of life’s biggest mysteries, but these pet owners may not be so different after all.
Supercomputer simulation reveals inner workings of black holes
Scientists have discovered ‘soft’ and ‘hard’ X-rays being emitted from black holes.
What a grocery store without bees looks like
In an effort to promote awareness about declining bee populations, a market removes all the food that relies on bees from its produce department.
Atomic clock to become even more accurate
New optical atomic clocks could be 100 times more precise than the current microwave-based ones.
How heroes and psychopaths are more similar than you think
Certain psychopathic traits are linked to heroic behavior, suggesting that they may be adaptive.
DIY kids’ playhouse stays naturally cool during hot summers: TreeHugger has always been an advocate of creative architecture that uses local, sustainable materials. While we’re usually talking about everything from skyscrapers to hobbit houses, the principles apply just as much to playhouses. That’s why we love this entrant in the Green Design Contest on Instructables.