Read the latest articles from Popular Science (Page 238)

shipping
Energy

In the rush to decarbonize, the shipping industry is exploring alternative fuels

The shipping industry is finally embracing greener fuels, but which one, or ones, will they land on?

an iPhone with Spotify app open and headphones on a table behind the phone
Tech Hacks

How to keep your music streaming private

Don't let the whole world know about your guilty (or guilt-free) pleasures.

Factory of the Future 1.0 3D printer with man standing in front of it
Engineering

Makers of the world’s largest 3D printer just beat their own record

Factory of the Future 1.0 can construct entire homes out of sustainable polymer materials.

Samsung S95D QD-OLED TV review: Stunning in any setting
Televisions

Samsung S95D QD-OLED TV review: Stunning in any setting

Samsung's flagship OLED TV shines because glare doesn't.

white cow's milk on a grocery store shelf
Food Safety

Bird flu virus traces detected in 1 in 5 pasteurized cow milk samples

H5N1 has been detected in 33 herds in six states.

Little boy biting his nails on grey background
Health

A new button battery dyes kids’ mouths blue if swallowed

The 'color alert technology' could save lives.

mice in a cave
Science

Lab mice might be doing their own experiments

New research suggests that mice base their decisions on more than just immediate reward. They may also make 'mistakes' on purpose.

a small red squirrel with perked up ears sits on a tree branch
Wildlife

Early trauma can shorten a red squirrel’s lifespan

Food scarcity–and food overabundance–can shape their lives forever.

Nearsightedness is also known as myopia.
Health

Nearsightedness is at epidemic levels

The problem begins in childhood.

The Oura Ring Heritage on top of a couple of rocks.
Wearables

Oura Ring Gen3 health tracker review: It’s a complicated relationship

There’s a lot to like about the Oura Ring, but is it … well-rounded? Here’s a look at the features and frustrations.

The best fans of 2024 on a plain white background.
Appliances

The best fans

Beat the heat during the sweaty season with these breezy picks.

The best keypad door locks of 2024 on a plain white background.
Smart Home

The best keypad door locks

Stop fumbling with keys and upgrade your home with a keypad door lock.

Image of sun highlighting four solar events
Sun

Rare quadruple solar flare event captured by NASA

The 'super-sympathetic flare' might affect satellites and spacecraft near Earth.

Can AI help tell the difference between a good and bad sweet potato?
AI

Can AI help tell the difference between a good and bad sweet potato?

Scientists used hyperspectral imaging to sort produce.

left image- This rectangular image shows part of the martian surface as if the viewer is looking down and across the landscape, with the irregular, mottled ground appearing in swirled tones of brown and tan. right image- A slice of the martian surface is shown here. A rounded segment of an eroded crater basin is visible to the right. The key features seen across the image are dark spots with tendrils that are eerily reminiscent of spiders. These are visible in large numbers to the left, and scattered irregularly across the rest of the image.
Mars

Gassy geysers create ‘spiders’ on Mars

ESA captures new images of the seasonal phenomenon in the 'Inca City' region of the Red Planet.

Newest luxury submersible offers ocean explorers champagne and blackjack
Technology

Newest luxury submersible offers ocean explorers champagne and blackjack

'...you feel at one with the water.'

A tile set of Ring Battery Doorbell Deal Amazon.
Smart Home

The latest battery-powered Ring doorbell is at its lowest price ever

If you've put off setting up a home security system, take the first step by snagging this Ring doorbell at Amazon.

Astronomers fight to save a major X-ray space telescope
Space Telescope

Astronomers fight to save a major X-ray space telescope

Chandra X-Ray Observatory is in trouble. Losing it could set the field back decades.

screenshot of video games on an Android and iPhone
Tech Hacks

How to use emulators to play retro video games on your phone

Just like the old days.

under the sea
Ocean

How deep does life go?

Geologist James Powell chronicles the evolution of our understanding of life in the deep-sea biosphere.