Read the latest articles from Popular Science (Page 117)

blank youtube screen on red background
Tech Hacks

How to reset the YouTube algorithm

Google knows a lot about you.

Levoit top-fill humidifier on a table with steam coming out
Home

If your eyes and sinuses feel dry right now, you need this $29 Levoit humidifier in your home

Winter dryness can be brutal, but this top-fill humidifier can help your home feel more comfortable throughout the year.

circa 1945: Astronomer Dr. Edwin Powell Hubble (1889 - 1953) sitting in a chair at a desk reading a journal. A staff member at Mt. Wilson Observatory, he was the first scientist to offer observational evidence supporting the theory, now known as Hubble's Law, of the expansion of the universe. (Photo by New York Times Co./Getty Images)
Deep Space

One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’

Hubble transformed astronomers’ understanding of the universe.

an illustration of an extinct big cat about the size of a leopard. it is brown with sharp teeth
Wildlife

Skull of a 30-million-year-old apex predator discovered in Egypt

The leopard-size carnivore crushed early hippos and elephants with its strong jaws.

a factory worker works on factory link assembling a car engine
Electric Vehicles

Honda’s special welding method is transforming its car manufacturing

Honda is employing new technologies and retooling for the future. 

The cougar, Puma concolor, also known as the puma, mountain lion, catamount, or panther, is a large cat native to the Americas, second only in size to the stockier jaguar. Kalispell, Montana.
Wildlife

Deadly encounter: Mountain lion attacks spark controversy

A mountain lion attack that killed a young California man last year has reignited a debate over how the big cats should be managed.

emergency backpack with supplies
Life Skills

Prepping isn’t just for preppers anymore—it’s time to get a go-bag

How to pack a go bag, a shelter-in-place bag, an emergency car kit, and an everyday carry.

Close up profile of young woman with dark skin and short hair using jade roller on face
Health

Do face rollers work? We asked a dermatologist.

It's superficial but relaxing.

elderly people holding hands in a hospital setting
Science

The hallucinatory thoughts of the dying mind

Delirium is one of the most perplexing deathbed phenomena, exposing the gap between our cultural ideals of dying words and the reality of a disoriented mind.

screenshot of an email inbox
Tech Hacks

How to use Apple Intelligence to sort your emails

Spend less time in your inbox, with the help of AI.

lush green tropical rainforest in Brazil. Mata Atlantica
Land

Man from uncontacted tribe emerges from rainforest, signals to villagers

The individual is believed to belong to a group first seen in 2021.

africa and the middle east seen from space
Evolution

New theory ups the odds that intelligent aliens exist

Humans might not be that special in the universe after all.

Dyson air filter fans header arranged in a row on a plain background
Smart Home

You can get a $329 Dyson air purifying fan for just $179 while they last

Benefit from Dyson's over-engineering. This refurbished air filter fan pulls pollutants out of your environment while creating a pleasant breeze.

Inventor demonstrating modified trumpet invention
AI

The 10 coolest musical instruments you’ll see in 2025

The 2025 Guthman Musical Instrument Competition finalists include an 'Udderbot,' 'Hacked Double Trumpet,' and a 'Dinosaur Choir.'

a cuttlefish swimming in the ocean
Sharks

Cuttlefish ink can help keep sharks away from humans

Mimicking the ink created by the bioluminescent cephalopods could keep both sharks and people safe.

Valentine’s Day 1946: The first general-purpose electronic computer blossoms
Technology

Valentine’s Day 1946: The first general-purpose electronic computer blossoms

The ENIAC was a 30-ton 'numerical monster'—and pivotal in the history of consumer technology.

couple sitting on sofa together
Psychology

Quiet couples: Alone time together

The right kind of silence can be golden, revitalizing and strengthening a relationship.

Anthony Mackie as Sam Wilson/Captain America in Marvel Studios’ CAPTAIN AMERICA: BRAVE NEW WORLD.
Physics

Could we really make Captain America’s shield? A materials scientist weighs in.

Vibranium might not be real, but mixing and matching materials is.

A selection of the mummified bodies in the exhibition area of the Egyptian museum in Cairo.
Archaeology

What do Egyptian mummies smell like? Surprisingly pleasant.

Scientists and sniffers teamed up to study the ancient scents for the first time.

NASA’s Curiosity Mars rover captured these drifting noctilucent, or twilight, clouds in a 16-minute recording on Jan. 17. (This looping clip has been speeded up about 480 times.) The white plumes falling out of the clouds are carbon dioxide ice that would evaporate closer to the Martian surface.
Mars

Curiosity rover spots rare shimmering clouds above Mars

The planet’s twilight clouds can become iridescent under the right conditions.