Read the latest articles from Popular Science (Page 412)

A lineup of the best hydration packs on a white background.
Fitness Gear

The best hydration packs

We found water backpacks to stave off dehydration during your favorite outdoor activities, including cycling, biking, and running.

This Hubble Space Telescope image of the asteroid Dimorphos was taken on December 19, 2022, about four months after the asteroid was impacted by NASA's DART mission (Double Asteroid Redirection Test). Hubble’s sensitivity reveals a few dozen boulders knocked off the asteroid by the force of the collision. These are among the faintest objects Hubble has ever photographed inside the solar system.
Space Telescope

Smashed asteroid surrounded by a ‘cloud’ of boulders

Several months after the DART impact, Dimorphos has a posse of 37 space rocks around it.

A MacBook opens in the dark probably after restarting and installing the beta version of macOS 14 Sonoma.
Tech Hacks

6 new features in macOS 14 Sonoma’s public beta you have to try

You can try the beta version of the next major macOS upgrade.

Wind turbines on green hills
Fossil Fuels

US climate efforts look promising, but there’s more to do

The Inflation Reduction Act does a lot—but not enough to knock out Paris Climate Agreement goals.

The sun sets over a large ice berg in Greenland, with a large chunk of fallen ice floating in the ocean. Greenland’s continental glacier covers about 80 percent of the 836,3000-square-mile land mass.
Global Warming

Greenland’s ice sheets aren’t as old—or as resilient—as scientists expected

A 50-year-old ice core offers a 'foreboding wake-up call' about the island's sensitivity to climate change

Model of the Titanic and the Boeing 737 Max at the Museum of Failure.
Engineering

The Museum of Failure challenges how we think about mistakes

It's really an ode to innovation.

turmeric at spice market
Food Safety

For decades, turmeric’s ultra-golden glow had a deadly secret

Traders in Bangladesh used lead chromate to enhance the spice’s appearance. Then scientists and policymakers stepped in.

super glue invention mistake
Air Force

How a shot at making better gunsights became Super Glue instead

Read the sticky story of Eastman Kodak, Harry Coover, and Super Glue.

A car passenger appears to feel nauseous with her hand to her mouth.
Health

What causes motion sickness—and how to avoid it

When our mind's eye meets tech, the result can be cold sweats or queasiness.

Arco del Tiempo (Arch of Time) mockup
Engineering

This art installation will tell time and produce solar energy

Each year, the sculpture should generate 400,000 kilowatt-hours of electricity.

A saber tooth cat fossil is displayed during a press preview of the Smithsonian's National Museum of Natural History on June 4, 2019.
Wildlife

Paleontologists discover two new sabertooth cat species

The findings indicated that these extinct large felines had a wider distribution in Africa.

High fiber foods, including coconuts, Brussel sprouts, squash, and spinach on a wooden table.
Diseases

Chronic constipation could be a sign of a worsening health condition

Pooping too irregularly (or often) may be linked to cognitive problems

an amazon echo glow smart device
Internet

A new ‘Cyber Trust Mark’ label could help you pick safer devices

It will be like Energy Star, but for devices like connected cameras.

Barbie and Ken in all-pink outfits driving in a pink convertible in the new movie "Barbie"
Science

‘Barbie’ reminds us that pink is a power color for everyone

Once upon a time, men in Western societies embraced pink. Now, the prolific color is making a comeback across genders and generations.

A man wearing a purple sweater in front of a desktop computer with his hand on a computer mouse, looking intensely at the screen.
Tech Hacks

3 ways to generate a table of contents for virtually any website

The table of contents isn't just for books.

Study author shows off the compressed mycelium sheets she created for the project
Engineering

This fungi-based substance might protect homes from ever-worsening wildfires

Scientists use mycelium to test a fire-proof roofing solution.

Small feathered dinosaurs Kongonaphon kely partying with champagne in front of an erupting volcano and fiery asteroid during the Triassic mass extinction. Illustrated in orange, purple, and yellow.
Dinosaurs

Dinosaurs survived one mass extinction, but then their luck ran out

Life was good for the 'terrible lizards' before that fateful asteroid hit.

Cod fish heads
Pollution

No guts left behind: Iceland’s quest to repurpose fish waste

Cod heads, skin, blood. You name it, there’s an initiative to turn it into a high-value product and divert it from the trash.

Laptop screen showing ChatGPT homepage
AI

ChatGPT’s accuracy has gotten worse, study shows

The LLM's ability to generate computer code got worse in a matter of months, according to Stanford and UC Berkeley researchers.

the view from on a container ship
Engineering

The first container ship fueled by food scraps is ready to set sail

The fuel source comes from methane emitted in landfills.