Featured in danger
Does the ‘world’s hardest maze’ live up to its name? Give it a shot.
It's trickier than it looks.
These skulls look purple and orange. They are both red.
The pigments morph because of the Munker-White illusion.
What it’s like facing down tennis-ball-size spiders at work
Research professor Jenny Stynoski doesn't flinch from venomous snakes, poisonous frogs, or solo trips to the jungle at night. Tropical banana spiders, on the other hand...
Here’s how many avocados it would take to kill you
You really can have too much of a good thing.
This hazmat suit can block VX nerve agent and other deadly chemicals. Here’s how it’s built.
Dress for distress.
These blades can cut nearly anything
The sharpest knives, scissors, and razors.
How fear affects your body
Fright in the flesh.
You don’t need to drink alcohol for it to harm you
Quantifying how alcohol hurts non-drinkers is difficult, but a new paper shows the way.
From deathtrap to lifesaver: The evolution of the carseat
The first carseats were more about keeping kids corralled than protecting them in a crash.
The smartest, fastest sleds for zooming down slopes
The fast and the flurry-est.