From combating fainting to helping aircraft work efficiently, planes are chilly for a reason.

The post Why are airplanes so cold? It’s for your health. appeared first on Popular Science.

Blame prehistoric tools and medieval sword fights.

The post Why 90% of us are right-handed appeared first on Popular Science.

These luminous beetles use light to flirt and fend off predators.

The post Why do fireflies glow? It’s more than butt goo. appeared first on Popular Science.

Since only a handful of women have been to space, it's a tough question to answer.

The post Could you give birth in space? appeared first on Popular Science.

It might not be an ADHD miracle cure, but there can be real benefits.

The post Can ‘body doubling’ really help you focus? Psychologists say maybe. appeared first on Popular Science.

It's a trait evolution forgot to get rid of.

The post Why only humans sleepwalk appeared first on Popular Science.

Driving into the sunset can actually form new neural pathways.

The post Why road trips are good for you, according to science appeared first on Popular Science.

Yes, even bigger than the dinosaurs.

The post How blue whales became Earth’s largest creature—ever appeared first on Popular Science.

Blame your brain's filing system.

The post Why summer flies by as an adult—but lasted forever when you were 10 appeared first on Popular Science.

Short answer: Really gross.

The post What did T. rex’s breath smell like? appeared first on Popular Science.

They're undeniably cute, but they'd also be a pretty annoying pet.

The post Could raccoons become the new dogs? appeared first on Popular Science.

From shelter dogs to stickleback fish, the forces that shape animal personality are surprisingly familiar.

The post Animals have personalities. Here’s what shapes them. appeared first on Popular Science.

It's not because they're sick—probably.

The post Why your dog eats grass appeared first on Popular Science.

But the specifics are a little hazy.

The post Weed really does change your dreams appeared first on Popular Science.

Unwashed poppy seeds can even cause addiction.

The post Can poppy seeds actually make you fail a drug test? appeared first on Popular Science.

No other animals have eyes like ours.

The post Humans have weirdly white eyes. Here’s why. appeared first on Popular Science.

Real life storm chaser and meterologist Cyrena Arnold unpacks reality from Hollywood fantasy.

The post Is storm chasing really like the movies? appeared first on Popular Science.

Let traffic cones inspire your next bathing suit purchase.

The post What’s the safest swimsuit color? Skip blue and black. appeared first on Popular Science.

Even wild animals enjoy a good wheel.

The post Hamsters run on wheels for a surprisingly joyful reason appeared first on Popular Science.

And why some women never get them.

The post What happens inside your body during a hot flash appeared first on Popular Science.

To err(ase) is human.

The post How do erasers actually work? It’s surprisingly complicated. appeared first on Popular Science.

For people with aquagenic urticaria, even a quick shower has consequences.

The post Yes, you can be allergic to water appeared first on Popular Science.

There's a reason for that very loud sucking sound.

The post Why airplane toilets are tiny engineering marvels appeared first on Popular Science.

Every week, sloths climb down to do their business on the forest floor—where predators lie in wait.

The post Why sloths risk their lives to poop appeared first on Popular Science.

A "smile" can mean a happy or nervous dog.

The post Do dogs smile? Not like us. appeared first on Popular Science.

Millions of people ride amusement park rides every year with few serious injuries—but experts say a few precautions still matter.

The post How to stay safe riding roller coasters appeared first on Popular Science.

Yuju, a solo artist and former member of the group GFRIEND, appeared on the show “Ask Us Anything” and candidly opened up about her recent struggles, including drastic weight loss, health issues, and even being advised to seek psychiatric care.

On the…

And no, that viral "dog wall test" isn't the way to do it.

The post Test your dog or cat’s IQ using these simple tricks appeared first on Popular Science.

A veteran chaser separates Hollywood magic from the real, on-the-ground excitement of tornado season.

The post The real storm chasers of the Great Plains appeared first on Popular Science.

That's why it's impossible to describe the color red.

The post Color doesn’t exist—at least not how you think appeared first on Popular Science.