Read the latest articles from Popular Science (Page 622)

We finally know what sparks the Northern Lights
Physics

We finally know what sparks the Northern Lights

It took researchers more than 20 years to figure out this light show mystery.

Here’s how wind turbines stay afloat during storms
Renewables

Here’s how wind turbines stay afloat during storms

The secret to wind turbines' storm hardiness? Oil rig tech—for now.

a woman on her side clutching her stomach as if in pain against a green background
The Weirdest Thing I Learned This Week

Viagra could have been a groundbreaking cure for period cramps

And other fun facts from The Weirdest Thing I Learned This Week.

A snake plant sitting in an open cardboard box, ready for shipping.
Life Skills

How to ship your beloved houseplants across the country without killing them

We asked the professionals for their shipping secrets—and they delivered.

baby birds in a nest
Engineering

Many animals climate-control their homes. Global warming could mess with that.

Nests and dens are often designed to stay at a reasonable temperature.

An illustration of the COVID-19 spike protein.
COVID-19

The Delta variant is on the rise in the US

Here's what you need to know about the pandemic this week.

Physical depictions of digital cryptocurrency "coins" like Bitcoin, Ethereum, Zcash, and others.
Cryptocurrency

Renewable energy can’t cure Bitcoin’s environmental woes

Crypto mining does impact the environment—but don't take Elon Musk's word for it.

single-use plastic bags
Sustainability

Reusable grocery bags aren’t as environmentally friendly as you might think

Five misconceptions about single-use plastics that might surprise you.

Meditation isn’t always calming. For a select few, it may lead to psychosis.
Mental Health

Meditation isn’t always calming. For a select few, it may lead to psychosis.

Meditation has a very real effect on the brain—and for some people, there are side effects involved.

tesselated-squares
Mental Health

Can tripping on ketamine cure PTSD? I decided to try.

When conventional therapy and drugs fail, a new wave of clinics are helping patients get high.

Your DNA Can Now Be Used Against You In Court Without Your Consent
Health

Your DNA Can Now Be Used Against You In Court Without Your Consent

A recent refusal by the Supreme Court means that involuntary DNA collection isn't unconstitutional

Here’s our original coverage of Apollo 11
Moons

Here’s our original coverage of Apollo 11

In the July 1969 issue of Popular Science, a famous rocket scientist narrated the first moon landing.

megaliner cruise ship
Technology

Where does the poop go?: The hidden machines of cruise ships

Behind the scenes of the life aquatic

To find life on Mars, we’ll need new orbiters, more advanced rovers, and humans
Mars

To find life on Mars, we’ll need new orbiters, more advanced rovers, and humans

There’s a good reason NASA hasn’t said they’ve found life on Mars—it’s beyond their current capabilities.

A demagogic dinosaur, a mysterious space robot, and other amazing images of the week
Science

A demagogic dinosaur, a mysterious space robot, and other amazing images of the week

Newsworthy eye-candy

The Moon Could Be Littered With Fossils From Earth
Space

The Moon Could Be Littered With Fossils From Earth

Meteorites could carry fossils between worlds, says new research

red cross volunteers with masks on
COVID-19

What the 1918 flu pandemic can teach us about COVID-19, in four charts

One of the biggest pandemics in recent history shows the importance of social distancing.

Person working on Photoshop
Tech Hacks

How to wipe metadata from any file

True privacy is in the details.

What actually works for muscle recovery—and what doesn’t
Fitness & Exercise

What actually works for muscle recovery—and what doesn’t

For the best post-workout muscle recovery, sort the science from the snake oil.

‘Forever chemicals’ could be lurking in your lipstick
Pollution

‘Forever chemicals’ could be lurking in your lipstick

Your makeup could be hiding unlabeled toxins. But that may soon change.