Toxic chemicals from hidden military bases now risk leaking.
The melting Greenland ice sheet could leaking chemicals that the Army thought would stay frozen in perpetuity.
Climate change revealed this U.S. military secret
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STANK LOVE, BEAR WIG, and other sayings from AI-generated candy hearts
The list also includes ME LOVE HAVE and HOLE. Happy Valentine's Day.
This is what you get when you ask artificial intelligence to write romantic candy heart messages for you.
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Is it possible to die from eating too much chocolate? Asking for a friend.
It would take 7,084 Hershey chocolate kisses to get chocolate poisoning
Chocolate contains theobromine. At very high levels it can be toxic to humans, but that requires a lot of chocolate.
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Here's what Popular Science editors are reading right now
"It's some of the best speculative fiction I've ever read."
"It's some of the best speculative fiction I've ever read."…
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Kittens from the same litter don't always have the same parents
It's called heteropaternal superfecundation.
Female cats can be impregnated by more than one male, or tomcat, during a single ovulation period. It’s a phenomenon called “heteropaternal superfecundation.”…
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Still need a flu shot? Here's how to find one near you
It's not too late to get the flu shot and it's really important that you do.
You are not alone in your quest for a flu shot, even this late into the season. Here's how to track one down.
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24 hidden settings that can maximize your Mac
We mean Mac-simize.
This collection of lesser-known macOS settings will let you customize and enhance your computing experience on any Mac desktop or laptop.
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What if hibernating animals formed an orchestra and performed a symphony about their winter’s sleep?
Well, they did—sort of.
This is the story of how animals hibernate in winter. Each character in the tale will be represented by a different instrument of the orchestra. For instance, the wood…
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Is China's space laser for real?
It's not a Death Star super laser. It's a space broom.
China's space laser is for nudging away pieces of space junk, which is increasingly a problem for anyone in orbit.
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Figure skaters have to train themselves to ignore their natural reflexes
Brain areas that control movement have to learn new tricks.
Figure skating challenges the brain as well as the body.
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Broadcast camera lenses at the Olympics can cost as much as a Lamborghini
These 59-pound boxes contains lots of glass and a tons of tech.
Broadcast lenses like Canon's $222,000 UHD-Digisuper 86 make all that Olympic magic look sharp and clear.
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The ultimate guide to making cafe-style coffee in your own home
From pour-over brews to quality lattes at the touch of a button.
With the right set of tools, it's really not hard to drink cafe-quality coffee in the quiet of your own kitchen.
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The origin story of domesticated rabbits may be all wrong
The path from wild rabbit to fluffy bunny is much more mysterious than we thought
Legend says rabbits were domesticated in 600 AD, when the Pope said fetal rabbits were fair game to eat during Lent. But a new study says that legend is made up.
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There's no such thing as naturally orange cheese
Or: how dairy farmers discovered the importance of food coloring on perceived taste.
Most of us never question why particular cheese have such an unnaturally (or, as it turns out, totally natural) hue. This is the complete answer to the question you…
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Eight Samsung Galaxy tricks you can't do on any other phone
Make the most of your smartphone.
Samsung packs its Galaxy devices with useful little bonus features. You can try out these eight tricks to improve your smartphone experience.
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Americans used to eat pigeon all the time—and it could be making a comeback
It’s reviled by city slickers, but revered by chefs.
How the pigeon went from a regular meal to a reviled bird to a foodie's dream.
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Thrill-seeking personalities can help Olympic athletes win gold
Some Olympians may be hard-wired to seek out daring stunts.
Some people have a personality trait that helps them focus in highly chaotic environments like the Winter Olympics: a high sensation-seeking personality.
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The fumes from spray cleaners and perfumes are a major source of air pollution
Our cars are getting cleaner, but our cleaning products? Not so much.
A new study from the National Oceanic and Atmospheric Administration finds that common household items emit a greater proportion of air pollutants than we thought.
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It took carbon fiber—and spy work—to get Paralympic skiers better gear
The Paralympic Games begin in South Korea on March 9.
After an IED explosion in Afghanistan in 2005, Andy Soule had both legs amputated above the knee.
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Fluctuating temperatures are causing massive river ice jams
These ice chunks are fascinating to look at, but can cause serious flooding.
Warm weather, rain, and melting snow can cause havoc on ice-covered rivers.
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