Read the latest articles from Popular Science (Page 842)

We finally know how wombats poop cubes

We finally know how wombats poop cubes

An engineer got the scoop on square poop.

california fire air quality

The air quality in San Francisco is so bad, being there for a day is like smoking 10 cigarettes

Particulates in the air from wildfires make going outside a health risk for many Californians.

By Nicole Wetsman

How to eat healthy when the munchies strike

How to eat healthy when the munchies strike

Keep snacking under control.

By Stephanie Lee

A Black Friday timeline to help you maximize deals and minimize misery

A Black Friday timeline to help you maximize deals and minimize misery

Shop smarter.

california fires five year infographic

See how much of California has burned in the last five years

It's a lot.

By Sara Chodosh

Visualizing California’s current fires, some of the deadliest and most destructive on record

These graphics show how the fires have spread over the last few days.

By Sara Chodosh

Google Maps data could help you avoid Thanksgiving crowds on the road—and at the liquor store

Google Maps data could help you avoid Thanksgiving crowds on the road—and at the liquor store

Go get the cake before you get that bottle of wine.

By Stan Horaczek

Dry cleaning is dirtier than you think. Meet the neurotoxin hiding in your winter coat.

Dry cleaning is dirtier than you think. Meet the neurotoxin hiding in your winter coat.

Freshly-laundered clothes mask an environmental and social blight.

By Eleanor Cummins

Cleaning your baby’s pacifier with spit might have surprising benefits

Cleaning your baby’s pacifier with spit might have surprising benefits

Saliva seems to help babies avoid allergies.

By Sara Chodosh

How are dinosaurs named?

How are dinosaurs named?

New species get identified and named every year, even though you've probably never heard of them.

By Julissa Treviño

an illustration of an asteroid hitting ice and sending debris into the air

There’s a giant crater the size of a city hiding under Greenland

But not everyone agrees it's from an asteroid impact.

By Neel V. Patel

Online birth control is safe—and the only option for some women

Online birth control is safe—and the only option for some women

Getting the pill from online sites could make the contraception method far more accessible.

By Julissa Treviño

Amazon didn’t pick your city for its HQ2, but it sure gathered a lot of data about it

Amazon didn’t pick your city for its HQ2, but it sure gathered a lot of data about it

Everything the company knows about your town after its year-long search.

By Eleanor Cummins

Eight science apps that turn your phone into a laboratory

Monitor earthquakes, play with a virtual particle accelerator, and more.

Volcanoes might have formed on Mars the same way they did in Hawaii

Volcanoes might have formed on Mars the same way they did in Hawaii

By studying Martian meteorites, scientists think they've found an explanation for ancient eruptions on the Red Planet.

By Shannon Stirone

Neptune and Triton

The outer solar system awaits—but getting there may not be as easy as we’d like

We're under a time crunch.

Oceans are losing a football field of seagrass every 30 minutes

Oceans are losing a football field of seagrass every 30 minutes

And with it, a vital tool for cleaning up heat-trapping carbon pollution.

By Marlene Cimons

A frozen super-Earth is just six light years away

A frozen super-Earth is just six light years away

It's close, but you won't want to visit.

By Neel V. Patel

Delivering groceries with self-driving cars may be even trickier than transporting people

Delivering groceries with self-driving cars may be even trickier than transporting people

Delivering cooked soup is easy, but it turns out delivering the ingredients to make it is hard.

By Jordan Golson

Here’s how much exercise you should get—and why it’s okay if you fall short

Fitness & Exercise

Here’s how much exercise you should get—and why it’s okay if you fall short

New guidelines for Americans emphasize physical activity at any level.

By Sara Chodosh

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