Read the latest articles from Popular Science (Page 819)

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

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

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

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

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

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

apple breeding chart
Science

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
Space

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

One more thing to worry about in space.

A baby was born with her own twin growing inside her
Health

A baby was born with her own twin growing inside her

Here's how fetus in fetu happens.

10 GIFs Of Deep-Sea Creatures Encountering A Sub
Ocean

10 GIFs Of Deep-Sea Creatures Encountering A Sub

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

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

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

The company stored passwords in plain text format.

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

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

In a good way!

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

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.

A new drug for postpartum depression could help everyone
Mental Health

A new drug for postpartum depression could help everyone

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

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

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
Evolution

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

Girl power in the wild.

It’s not a good idea to just let your kids get chickenpox
Vaccines

It’s not a good idea to just let your kids get chickenpox

The disease can have serious complications.

How to keep raccoons and possums away from your house
Animals

How to keep raccoons and possums away from your house

Fuzzy pests don’t belong in your trash.

Southern California’s mountain lions might soon go extinct
Endangered Species

Southern California’s mountain lions might soon go extinct

It's also a warning for the many other isolated populations of big cats across the state

These blades can cut nearly anything
Weapons

These blades can cut nearly anything

The sharpest knives, scissors, and razors.

Psychosis is the last marijuana side effect you should be worried about
Mental Health

Psychosis is the last marijuana side effect you should be worried about

It’s far from reefer madness.

Riding Zero’s SR electric motorcycle
Electric Vehicles

Riding Zero’s SR electric motorcycle

Arm-stretching acceleration, and no need to shift.

Tree rings contain secrets from the forest
Climate Change

Tree rings contain secrets from the forest

These wooden cores could help us better understand climate change.

Hate the gym? Grow a garden instead.
Fitness & Exercise

Hate the gym? Grow a garden instead.

Even small amounts of light physical activity help reduce your mortality risk.