Read the latest articles from Popular Science (Page 1192)

A Light Bulb Powered By Bacteria
Projects

A Light Bulb Powered By Bacteria

Three college students are building an electricity-free light bulb for the masses.

Test Drive: The 2013 Audi RS5 Coupe Quattro S Tronic
Vehicles

Test Drive: The 2013 Audi RS5 Coupe Quattro S Tronic

Technology

This Is How NASA Will 3-D Print In Space [Video]

Spare tools on-demand

In 165-Million-Year-Old Fossil, Evidence That Fur Predates Mammals
Evolution

In 165-Million-Year-Old Fossil, Evidence That Fur Predates Mammals

Meet Megaconus mammaliaformis, a furry proto-mammal and, in the words of one researcher, "your great-great-grand uncle 165 million years removed."

[Updated] Study: Sugar-Munching Mice Die Earlier
Nutrition

[Updated] Study: Sugar-Munching Mice Die Earlier

An unusual "semi-natural" lab setup quantifies ill effects in mice drinking the equivalent of three sodas a day.

Is Hair In Food A Health Risk?
Ask Us Anything

Is Hair In Food A Health Risk?

A dermatologist investigates

This Is Elon Musk’s Hyperloop
Space X

This Is Elon Musk’s Hyperloop

Billionaire Elon Musk has announced details of Hyperloop, his mysterious high-speed transportation project. There was some of what we expected, and a few surprises, too.

How Cocaine Makes Users Skinny
Health

How Cocaine Makes Users Skinny

A new study examines the weird ways cocaine changes people's metabolisms.

FYI: What Is The Evolutionary Purpose Of Tickling?
Evolution

FYI: What Is The Evolutionary Purpose Of Tickling?

A Size Comparison Of Sci-Fi’s Greatest Machines And Monsters [Infographic]
Science Fiction

A Size Comparison Of Sci-Fi’s Greatest Machines And Monsters [Infographic]

How does Godzilla compare to an AT-AT walker? Plus, how they stack up to real stuff, like the Sydney Opera House.

Does CTE, The Brain Disease Found In NFL Players, Really Exist?
Diseases

Does CTE, The Brain Disease Found In NFL Players, Really Exist?

A new study found cognitively impaired former football players aren't much different from non-players with cognitive impairments.

Sanjay Gupta: Only 6 Percent Of Marijuana Research Considers Medical Benefits
Health

Sanjay Gupta: Only 6 Percent Of Marijuana Research Considers Medical Benefits

It's impressive researchers have managed to conduct even that many studies.

Secure Email Options for Message Privacy
Security

Secure Email Options for Message Privacy

It's shockingly, disturbingly easy for the government to snoop on your emails. Here are your weapons in the fight for secure email.

Watch A Homemade Coilgun Destroy A Laptop
Weapons

Watch A Homemade Coilgun Destroy A Laptop

It's an electric gun, boogie woogie woogie.

8 Cool Civil War Artifacts
Technology

8 Cool Civil War Artifacts

Rare photographs, casts of Lincoln's (giant) hands and more

Can ‘Brain Freeze’ Cause Long-Term Brain Damage?
Ask Us Anything

Can ‘Brain Freeze’ Cause Long-Term Brain Damage?

And is it already too late?!

5 Sneaky Ways The NSA Spies On Americans
Security

5 Sneaky Ways The NSA Spies On Americans

The U.S. government needs only three degrees of separation to look at Kevin Bacon's phone records.

Is Kickstarter Hostile To Science?
Science

Is Kickstarter Hostile To Science?

By discouraging a promising science project, Kickstarter could be encouraging corporate monopolies, enabling sloppy legislation, and keeping cool glow-in-the-dark plants out of our houses.

International Space Station

FYI: How Often Do Astronauts Do Laundry?

Space

Why Do Stars Twinkle?

Stars appear to twinkle, planets don’t. Here's why.