Read the latest articles from Popular Science (Page 737)

Corroded munitions with sea life grown over.
Ocean

The ocean is a giant dump for chemical weapons. Can we clean it up before it’s too late?

Millions of tons of discarded chemical munitions lie scattered across every ocean on the planet. Can we disband this pollution ticking time bomb before it explodes?

Person in white jacket wearing a red HIV/AIDS ribbon.
Vaccines

An HIV vaccine could arrive sooner than we thought—using Moderna’s mRNA tech

A new vaccine trial in humans shows promising results.

A parked electric vehicle.
Electric Vehicles

Hyundai’s new Ioniq 5 doubles as a giant backup battery for your gadgets

Why not plug your TV into your electric car?

‘Ghost forests’ are spreading across US coastal regions
Climate Change

‘Ghost forests’ are spreading across US coastal regions

Encroaching saltwater is turning forests near the coast into haunting landscapes.

Phone problems
Tech Hacks

How to fix common smartphone problems

For when you can't connect to the internet to search 'what's wrong with my phone?'

An Alagoas Brazilian screech owl
Birds

Whose hoot? DNA and sound studies help define two new owl species in Brazil.

High levels of biodiversity in Brazil could be lost to unchecked deforestation.

Wine being poired into glasses overlooking natural landscape.
Agriculture

Is your wine really sustainable? Here’s how to tell.

Making your happy hour a happy one for the planet is surprisingly simple.

muon ring at fermilab
Particle Physics

Inside the discovery that could change particle physics

A subatomic particle called the muon is more magnetic than it should be—here’s what that could mean.

A person working on a laptop.
Tech Hacks

Save space on your laptop and in the cloud by compressing files

Don't let data take up more room than it needs to.

Two adults and a child walk wearing masks.
Vaccines

The majority of US COVID-19 cases now trace back to the UK variant

Here's what you need to know this week.

Doctor examines MRI brain scans.
Mental Health

COVID-19 survivors may have higher risk of anxiety, depression, and neurological disorders

Scientists are still uncertain if COVID-19 has a biological connection to these later illnesses.

The fossilized skull of the newly discovered L. aliocranianus dinosaur.
Dinosaurs

This newly discovered dinosaur is called ‘the one who causes fear’ for a reason

You wouldn't want to be in this top predator's path.

Raw fish on beach drying rack
Fossil Fuels

Old fish bones could make the eco-friendly plastic we’ve been waiting for

We have a ocean-destroying plastic problem, but fishery waste could help.

A veggie burger with fries.
Nutrition

Is red meat healthy?

Giving up red meat has more health challenges than you might think.

electric vehicle charging
Electric Vehicles

Electric vehicles are only one part of sustainable transit

They are improvements on combustion-powered cars—but we might need to rethink transportation to truly cut emissions.

A Muslim woman daydreaming while sitting in front of a laptop outdoors.
Mental Health

Daydreaming can have loads of benefits—if you do it right

Being alone with your thoughts might sound scary, but it doesn't have to be.

A view of the researchers digging at the excavation site.site
Archaeology

Crystals and eggshells tell a 105,000-year-old story of humans in the Kalahari Desert

The artifacts suggest early people didn't just live on the African coasts.

Laptop typing
Tech Hacks

Set up voice dictation on your computer and give your fingers a break

Speak easy.

bolt of lightning
Global Warming

Lightning strikes could double in the Arctic this century, setting the tundra on fire

Climate change is driving the increase in Arctic lightning, creating a nightmarish positive feedback loop.

A child holding a map outdoors.
Projects

5 activities to show kids that maps can be fun

Help your children discover everything that's out there for them.