Women get Alzheimer’s way more than men—and stress could help explain why
Instead of sex hormones, these researchers turned to cortisol.
Read the latest articles from Popular Science (Page 861)
In some heatwaves, fans do more harm than good
A new study suggests turning on a fan can actually be dangerous in extremely hot, dry conditions.
When to start worrying that a dog bite (or lick) might kill you
Most pup interactions are harmless, but serious infections can happen.
A few unusual ideas for cleaning up cars, trucks, ships, and planes
Rotor sails, bubble pumps, battery-powered jets and next-generation fuel cells.
Texas-sized plasma ‘cannonballs’ could help solve one of the sun’s biggest mysteries
The action goes down in the sun’s chromosphere.
The complete guide to building a rooftop garden
You don't have to have a yard to get things growing.
Survival cooking: how to cook with sticks
No pots, pans, or metal grill? No problem. Here’s everything you need to know about cooking over an open fire using items only found in the woods
Tricks to avoid eating leftovers that will make you sick
Just how long is that food in the fridge good for?
Marijuana during pregnancy might be as dangerous as alcohol
But there’s still a lot we don’t know.
We don’t know what a happy chicken looks like, and that’s a big problem
Figuring out how they play could help us raise them more ethically.
Rising high in 19th-century Chicago required nerves of steel
How Louis Sullivan made skyscrapers happen.
Last week in tech: The Fortnite World Cup, Capital One’s hack, and the Impossible Whopper
Also, stop swearing at your Siri.
Why you really, really, really shouldn’t shower or swim with your contacts in
You could lose your vision to an infection.
This mind-blowing 3D map reveals the Milky Way’s perplexing curves
It warps and flares at the edges.
Everything we know about the new airplanes in ‘Top Gun: Maverick’
Fighter jets have come a long way since the 1986 original. This is what to expect from the aircraft in the new one.
We might run out of these elements
You know to conserve water and trees, but what about calcium and bismuth?
Maserati’s new luxury SUV transforms from hot rod to off-roading beast
We tested out this Transformer-like car in an Italian quarry and an airport.
This ancient predator had claws like rakes and a body like a spaceship
It was a foot long back when most animals were smaller than your pinky.
Strong storms can bring dangerous invaders
Invasive plants may seize the opportunity to take root.
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