Read the latest articles from Popular Science (Page 391)

A bug on a green leaf feeding on a caterpillar.
Pollution

Save caterpillars by turning off your outdoor lights

Just a moderate amount of artificial light can make baby butterflies more susceptible to predators.

Birds sometimes hitch rides on ships—and it’s changing the way they migrate
Birds

Birds sometimes hitch rides on ships—and it’s changing the way they migrate

Traveling across the ocean is a hard journey, but stowing away is pretty easy.

Watch this Navy drone take off and land on its tail like a rocket
Navy

Watch this Navy drone take off and land on its tail like a rocket

Drones like these are called tail-sitters, and they have distinct advantages.

A Black person reaching their hands into a zeer pot—a type of DIY refrigerator—full of green beans, tomatoes, and other produce.
Projects

The coolest way to keep food cold without electricity

It's just two pots and some wet sand, but this might be the least complicated DIY refrigerator you can make.

Adobe built its Firefly AI art generator to avoid bias and copyright issues
AI

Adobe built its Firefly AI art generator to avoid bias and copyright issues

The goal of the new AI image-generator is to be as user-friendly as possible. Here's how it will work.

Candida auris in a petri dish taken in a laboratory of Wuerzburg University in Wuerzburg, Germany, January 23, 2018.
Diseases

A drug-resistant fungus is spreading in US hospitals—here’s what you need to know

Candida auris is deadly in sick patients with weakened immune systems.

TikTok app information icon on Apple iPhone 8 close-up
Social Media

TikTok is taking on the conspiracy theorists

Climate change denial and 'synthetic media' take the spotlight in the company's latest guidelines.

An illustration of Thylacosmilus atrox, an extinct marsupial with giant canine teeth,
Wildlife

With bulging eyes and a killer smile, this sabertooth was an absolute nightmare

Forever-growing teeth led to some interesting evolutionary developments for the carnivorous Thylacosmilus.

A telescope from the European Southern Observatory's Very Large Telescope observe the universe.
NASA

Why scientists are studying the clouds of debris left in DART’s wake

New research on asteroid dust could tell us more about the history of our solar system.

Xbox Series X vs PS5
Console Gaming

Xbox Series X vs. PS5: How to pick between the two biggest new game consoles

Choose the perfect console for your gaming with our handy guide.

The secret to Voyagers’ spectacular space odyssey
Deep Space

The secret to Voyagers’ spectacular space odyssey

'Simple' hardware and software from the 1970s pushed the Voyager mission to the solar system's edge. But how long can it keep going?

The Best Nintendo Switch Accessories
Console Gaming

The best Nintendo Switch accessories

The best Switch accessories smooth out your entry through Nintendo's gateway to excellent gaming.

A man in a blue t-shirt and jeans working with a DIY router sled in a woodshop.
Projects

Build your own router sled to flatten wood without buying big, expensive tools

Put together a DIY router sled for less than $100.

Water on the moon highlighted in varying shades of blue from NASA SOFIA data
Moons

We finally have a detailed map of water on the moon

SOFIA is helping NASA pinpoint craters full of lunar water, even after retiring to Arizona.

Foods that make you feel full on a beige background, including kale, raspberry, whole wheat pasta, salmon, green apple, steak, crackers, chocolates, popcorn, pink frosted donut, peas in a pod, and a basil leaf
Life Skills

How to feel full just by eating good food

Which foods rank high on the 'satiety index'? Probably some of your favorites.

the nissan ariya
Electric Vehicles

The tricky search for just the right amount of automation in our cars

The director of the Alliance Innovation Lab wants there to always be a human in the loop when it comes to vehicles that can drive themselves.

Two hands holding pile of potatoes
Engineering

Our homes on Mars could be made from potato-based ‘StarCrete’

Just add astronaut tears.

Ikea blue and yellow drone
Drones

Ikea says 100 drones are now buzzing around its warehouses

The drones are meant to ease human workers' warehouse woes and injuries.

The sun shining on glaciers.
Global Warming

‘Humanity on thin ice’ says UN, but there is still time to act on climate change

Here's what you need to know about the IPCC's latest report.

Garmi aid robot attending to seated patient in lab
Robots

Meet Garmi, a robot nurse and companion for Germany’s elderly population

As the world's population ages up, researchers believe robot assistants will be integral to society.