Read the latest articles from Popular Science (Page 870)

Here’s why NASA really canceled its first all-women spacewalk

Here’s why NASA really canceled its first all-women spacewalk

The reasons are understandable, but they also reinforce concerns about gender bias.

By Neel V. Patel

Finding the world’s super poopers could save a lot of butts

Finding the world’s super poopers could save a lot of butts

Studies using fecal transplants to treat inflammatory bowel diseases suggest some poop may be better than others.

By Dana G. Smith

These Chinese fossil deposits shed light on an explosive period in evolution

These Chinese fossil deposits shed light on an explosive period in evolution

Tracking the Cambrian Explosion, when the oceans first filled with complex animal life.

By Jan Zalasiewicz and Mark Williams/The Conversation

Squishy robots now have squishy computers to control them

Squishy robots now have squishy computers to control them

Driven by a soft-drive.

Here’s how many trees are required to cool a city street

Here’s how many trees are required to cool a city street

An equation for throwing shade

By Sara Chodosh

We’re in the middle of the second-deadliest Ebola outbreak ever

We’re in the middle of the second-deadliest Ebola outbreak ever

The hemorrhagic fever has infected more than 1,000 in the Democratic Republic of Congo.

By Eleanor Cummins

The best ways to spend on online services—whether you have $50, $75 or $100 a month

The best ways to spend on online services—whether you have $50, $75 or $100 a month

The digital subscriptions you should be signing up for.

No jetpacks. Zero flying cars. Where is the future we were promised?

No jetpacks. Zero flying cars. Where is the future we were promised?

A state of four of our top people-moving dreams.

By Andrew Zaleski

How much space does all of humanity’s knowledge take up?

How much space does all of humanity’s knowledge take up?

It takes a lot of data storage to know it all.

By Sara Chodosh

apple breeding chart

How we breed the best (and worst) apples

Apples all come from the same tree.

Most of us have viruses sleeping inside us, and spaceflight wakes them up

Most of us have viruses sleeping inside us, and spaceflight wakes them up

One more thing to worry about in space.

By Neel V. Patel

A baby was born with her own twin growing inside her

A baby was born with her own twin growing inside her

Here's how fetus in fetu happens.

By Rachel Feltman

10 GIFs Of Deep-Sea Creatures Encountering A Sub

10 GIFs Of Deep-Sea Creatures Encountering A Sub

Never-before-seen images from a recent expedition to the ocean floor

By Rose Pastore

It’s time to change your Facebook password again thanks to a plain text storage bug

It’s time to change your Facebook password again thanks to a plain text storage bug

The company stored passwords in plain text format.

By Stan Horaczek

Sun bears mimic faces just like us, and it’s raising some eyebrows

Sun bears mimic faces just like us, and it’s raising some eyebrows

In a good way!

By Jessica Boddy

Karen Uhlenbeck won the ‘Nobel of math’—but women are still under-represented in the field

Karen Uhlenbeck won the ‘Nobel of math’—but women are still under-represented in the field

Confidence in math early on differs by gender and plays a key role in future success.

By Claire Maldarelli

A new drug for postpartum depression could help everyone

A new drug for postpartum depression could help everyone

A significant overlap might exist between the two distinct variations of the disease.

By Nicole Wetsman

This supercomputer will perform 1,000,000,000,000,000,000 operations per second

This supercomputer will perform 1,000,000,000,000,000,000 operations per second

Understanding Aurora, by the numbers.

Warblers live longer with a little child-rearing help from their friends

Warblers live longer with a little child-rearing help from their friends

Girl power in the wild.

By Eleanor Cummins

How to keep raccoons and possums away from your house

How to keep raccoons and possums away from your house

Fuzzy pests don’t belong in your trash.

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