Read the latest articles from Popular Science (Page 857)

book cover accessory to war
Mars

The double-hinged door between astrophysics and the military

Excerpt: Accessory to War

a road at night
Vehicles

Our street lighting doesn’t need to be this bad

Light shines at full intensity even during periods of low activity.

Of course semi-automatic guns are deadlier. Here’s why scientists took so long to say so.
Weapons

Of course semi-automatic guns are deadlier. Here’s why scientists took so long to say so.

We desperately need research on firearms—but the federal government can't fund it.

New trackers will help scientists follow elusive critters
Animals

New trackers will help scientists follow elusive critters

Researchers hope to map the path of bird flu and other pathogens.

This new blood test can figure out what time it is inside your cells
Health

This new blood test can figure out what time it is inside your cells

There are tiny clocks inside you, and they're all out of whack.

Hurricane Florence could stall out over the East Coast for days, bringing intense flooding
Weather

Hurricane Florence could stall out over the East Coast for days, bringing intense flooding

It's looking an awful lot like Harvey.

blue flame emerging from machinery
NASA

After 11 years, NASA’s asteroid-hopping spacecraft is running out of fuel

Here are some highlights from its journey

California is set to go carbon-free by 2045
Renewables

California is set to go carbon-free by 2045

A new bill has been fast-tracked in the midst of a climate change-fueled wildfire season.

Last week in tech new iphones
Technology

Last week in tech: New iPhones inbound, Twitter went to Congress, and Google turned 20

This week's round-up of technology news is pumpkin spice flavor

texting at theater
Psychology

You’re not as good at multitasking as you think

And why you should doodle in class.

I became a cyborg to manage my chronic pain
Health

I became a cyborg to manage my chronic pain

Implanting a new generation of spinal stimulators.

alcohol wine
Diseases

Remember when a glass of wine a day was good for you? Here’s why that changed.

It all comes down to the way we used to study drinking.

salmon healthy food
Life Skills

Cook meals in coffee makers, dishwashers, and other unexpected appliances

You don't need a full kitchen to make dinner.

Adding clean energy to the Sahara could make it rain (and not just figuratively)
Renewables

Adding clean energy to the Sahara could make it rain (and not just figuratively)

To green or not to green?

Hurricane Harvey’s record-setting floodwaters were packed with pollution and disease
Climate Change

Hurricane Harvey’s record-setting floodwaters were packed with pollution and disease

And this problem isn't unique to Texas.

Decades after a Nobel Prize snub, Jocelyn Bell Burnell’s just won $3 million for her work
Science

Decades after a Nobel Prize snub, Jocelyn Bell Burnell’s just won $3 million for her work

And she's giving it all away.

Pennsylvania’s 9/11 memorial is one of the first in the world to use sound as a tribute
Technology

Pennsylvania’s 9/11 memorial is one of the first in the world to use sound as a tribute

After centuries of silent designs, architects are designing for the ear, too.

Certain weather makes you more likely to get a rattlesnake bite
Animals

Certain weather makes you more likely to get a rattlesnake bite

When it rains, it pours (snakes).

Heavy backpacks can hurt kids—here’s how to send them back to school safely
Life Skills

Heavy backpacks can hurt kids—here’s how to send them back to school safely

Wear that weight the right way.

The CDC just released new concussion guidelines for kids. Here’s what you need to know.
Health

The CDC just released new concussion guidelines for kids. Here’s what you need to know.

How much rest is enough?