Read the latest articles from Popular Science (Page 869)

Why this algebra teacher has her students knit in class
Science

Why this algebra teacher has her students knit in class

Knitting isn’t just for passing time.

Rising sea levels are going to mess with the internet, sooner than you think
Climate Change

Rising sea levels are going to mess with the internet, sooner than you think

Connectivity issues could get much worse.

The tanning bed in your gym is worrying dermatologists
Cancer

The tanning bed in your gym is worrying dermatologists

How healthy is that ‘healthy glow’?

a white pigeon
The Weirdest Thing I Learned This Week

The weirdest things we learned this week: artistic farts, meat lozenges, and Tesla’s beloved pigeon

Our editors scrounged up some truly bizarre facts.

Old footage of sports events can help scientists track climate change
Climate Change

Old footage of sports events can help scientists track climate change

Cycling videos of the Tour of Flanders show how trees are responding to warmer weather.

underwater swimming pool
Technology

The complicated, century-long relationship between swimming pools and chlorine

Even new-fangled salt water systems can't quit chlorination.

Supercharged blood helps some dolphins dive 1,000 meters
Animals

Supercharged blood helps some dolphins dive 1,000 meters

They also might be better equipped to adapt to climate change.

Your first memory probably isn’t yours, no matter how real it seems
Psychology

Your first memory probably isn’t yours, no matter how real it seems

Around 40 percent of us may have a fictional recollection as our “first” memory.

The timing of your dinner could affect your overall cancer risk
Cancer

The timing of your dinner could affect your overall cancer risk

Breast and prostate cancers seem to be more common amongst those who eat dinner late, but it may just be a correlation.

Ginger emoji at salon
Internet

The winding, heated, and absurdly technical oral history of the ginger emoji

It's complicated.

Jupiter has 10 newly-discovered moons, and one is a weirdo
Moons

Jupiter has 10 newly-discovered moons, and one is a weirdo

The survey also confirmed the existence of two other moons, whose discovery was announced last year

Human cancers aren’t contagious, but dogs and other animals aren’t so lucky
Cancer

Human cancers aren’t contagious, but dogs and other animals aren’t so lucky

Don’t worry, these diseases can’t spread to people.

Alcohol’s health risks are far easier to prove than its benefits
Cancer

Alcohol’s health risks are far easier to prove than its benefits

Drinking is part of American life, but its health consequences may be underplayed.

The case for full-fat yogurt
Diabetes

The case for full-fat yogurt

Dairy fat may be saturated, but it's not unhealthy the way animal fats are.

These tiny tree shrews can handle hotter peppers than you
Animals

These tiny tree shrews can handle hotter peppers than you

And now we know why they can handle the heat

Do you really need to properly eject a USB drive before yanking it out?
Security

Do you really need to properly eject a USB drive before yanking it out?

Short answer: Probably not.

Burnt bread shows that our ancestors were baking 4,000 years before agriculture
Agriculture

Burnt bread shows that our ancestors were baking 4,000 years before agriculture

Charred flatbread found in a fireplace dates back to 14,400 years ago.

Scientists learn to repair human bones by studying coral reefs
Ocean

Scientists learn to repair human bones by studying coral reefs

Protecting corals from climate change could save lives.

Meet the folks designing the future of mouse mazes
Animals

Meet the folks designing the future of mouse mazes

What makes a maze, anyway?

Don’t try to fix your frayed cable—prevent the damage in the first place
Tech Hacks

Don’t try to fix your frayed cable—prevent the damage in the first place

Worn-out chargers endanger you and your device.