Animals
Some beetles walk along the underside of the water’s surface
Their upside-down scurrying is a rare method of getting around.
Word of the Week
Earth
Scientists Say: Firewhirl and Firenado
Firewhirls are smallish vortices of ash and flame; firenadoes are true twisters set off by the conditions that come with a wildfire.
Explainers
Tech
Explainer: What is the electric grid?
Most of us get electricity through a huge system of power lines and equipment that together are known as the electric grid. Here’s how it works.
Technically Fiction
Animals
Minecraft’s big bees don’t exist, but giant insects once did
Big bees buzz in Minecraft. In our world, blocky bees might starve and be stuck on the ground. Yet long ago, giant insects did roam our planet.
What's Hot
Summer Fun
Watch This
Engineers surprised by the power of an elephant’s trunk
An elephant's trunk can suck air through it fast — at more than 335 miles per hour (150 meters per second)!
