Read the latest articles from Popular Science (Page 94)

Hand holding titanium heart implant against black background
Engineering

In world first, man leaves hospital with titanium heart

The BiVACOR implant worked for 105 days while he awaited a human transplant.

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Announcements

Popular Science launches streaming channel

In a partnership with Underknown, you can now find Popular Science on Vizio WatchFree+, Sling Freestream, and more.

solar panels from above
Renewables

For climate and livelihoods, Africa bets big on solar mini-grids

Nigeria is pioneering the development of small, off-grid solar panel installations to bring reliable electricity to remote communities — setting a model for other African countries

High speed train from Beijing entering Tianjin Station, China. (Photo by Andrew Benton/Construction Photography/Avalon/Getty Images)
Electric Vehicles

China’s high-speed rail linked to boosted EV adoption

Fears of getting stranded in EVs seem to dissipate when high-speed rail is near.

Mummy on sheet and cardboard with pixelated midsection
Archaeology

Medieval mummy found in accused smuggler’s home

The country has combatted the black market artifact industry for decades.

an illustration of a black rodent-like early mammal with a membrane like a flying squirrel flying through a forest
Evolution

Early mammals were all one color, study suggests

Their fur may not have been flashy, but it served a purpose.

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Home

Save nearly half-off DeWalt tool kits at Amazon before you start your spring DIY projects

These DeWalt tool kits include the essential gear you need for DIY or even pro construction projects, as well as the batteries to power them.

a man with long dark hair and beard is wearing a white and green robe and holding a shepherd's crook. he is a actor portraying saint patrick
Archaeology

Where are St. Patrick’s remains? It’s a hot debate.

‘For me as a historian, the most important thing about Patrick is that we have surviving documents by him.’

Compilation of Guthman Music Competition participants
Engineering

Electromagnetic fields and dinosaur choir win international instrument contest

The 27th annual Guthman Musical Instrument Competition also included the aptly named Udderbot.

a man in a diving tube on text
Engineering

100 years of deep-sea filmmaking and ocean exploration

In 1917, a civil engineer pioneered the first deep-sea vehicle to attempt filming underwater.

Crying woman with smiling stickers on the face. Deepfake, sexual harassment in internet, digital sex crime concept. Vector illustration.
AI

Spreading AI-generated content could lead to expensive fines

Anti-deepfake laws are finally starting to show their teeth, from Spain to South Dakota.

An undated handout photo released by the University of Queensland shows an image of the boulder using 3D imaging and light filters showing the dinosaur footprints.
Dinosaurs

Dinosaur footprints unknowingly displayed in a high school for 20 years

The slab in the Australian school’s foyer is covered in tiny, chicken-like footprints.

Artistic reconstruction of the terrestrial ecological landscape before the end Permian mass extinction based on fossil palynomorphs, plants, and tetrapods recovered, as well as sedimentological data from the South Taodonggou Section
Biology

The remote locale that shielded plants during Earth’s biggest mass extinction

About 252 million years ago, 80 to 90 percent of life on Earth was wiped out. In the Turpan-Hami Basin, life persisted and bounced back faster.

close up of tinfoil hat on man against blue background
Mental Health

Poor sleep can make you more susceptible to conspiracy theories

Lack of sleep and insomnia, along with depression, may lower your guard against misinformation.

Original fossil (ATE7-1) alongside the mirrored right side by means of virtual 3D imaging techniques of the face of a hominin assigned to Homo aff. erectus found in level the TE7 of Sima del Elefante site.
Evolution

1.4-million-year-old bones deepen mystery of who reached Europe first

'Pink' may have been a member of the Homo erectus family.

an illustration of the planet saturn as seen from one of its many moons two other smaller moons are in the distance
Moons

Which planet has the most moons? Saturn dethrones Jupiter.

The International Astronomical Union recognized 128 newly discovered moons orbiting the ringed planet.

Man with a boombox on his box enjoying the music
The Weirdest Thing I Learned This Week

Here’s the secret to getting songs unstuck from your head

Plus, rich people used to keep squirrels as pets and a flooded Colosseum.

Hoka running shoes REI deal header
Outdoor Gear

REI slashed prices on tons of running gear, including rare Hoka deals

Save up to 50 percent on running gear from Brooks, Patagonia, North Face, Altra, and more. Discounts include footwear and apparel.

an illustration of a small weasel-like early mammal with brown, black, and white fur climbing on a tree
Wildlife

This extinct tree-dwelling mammal may be among humans’ closer relatives

Mixodectes pungens lived only a few million years after the dinosaurs went extinct.

a man on a boat holds a large orange pet goldfish
Fish

Please stop releasing pet goldfish into the wild

The pet fish have ‘bottomless appetites’ and will wreak havoc on local watersheds.