Read the latest articles from Popular Science (Page 212)

a black meteorite on display at a musuem
Mars

4-billion-year-old mineral offers clues about Mars’ steaming hot past

A meteorite known as 'Black Beauty' hints at the Red Planet's ancient hydrothermal systems.

Eurkea J20 Robot Vacuum in a tiled configuration.
Smart Home

The best robot vacuum I’ve tested this year is $330 off for Black Friday

We've tested the J20, and it's left our floors spotless while being smart enough to make its way around plenty of obstacles.

Logitech's Casa Pop Up Desk Kit in a tiled configuration.
Laptops

One of the best home office tech accessories I’ve ever tried is $30 off for Black Friday

The unique travel accessory makes working on-the-go significantly more comfortable.

The best metal detectors for gold in 2024 on a plain white background.
Outdoor Gear

The best metal detectors for gold at any budget

Between every modern prospector and that little pocket of bullion, there’s a great metal detector that can strike gold at the boardwalk or even just find jewelry you lost in the backyard.

Looking from the stern of the ship as it tows the long horizontal array of hydrophones. The tow cable can be seen going through the metal horn at the stern. The hydrophone array is several hundred meters behind the ship and about 200 meters deep. Credit: Ross Chapman
Science

New theory explains mysterious ocean quacking first heard in the 1960s

The so-called 'Bio-Duck' could be 'Bio-Ducks.'

people having dinner talking in a tense way
Health

How to talk to your ‘skeptic’ family about science misinformation

Anyone can be vulnerable to false ‘facts,' but careful correction can help.

a scan of a zebrafish with its eye highlighted in green and other parts of its anatomy stained red and blue
Biology

Mapping the shifting gaze of ‘fishlets’

Zebrafish brains may only have 500 neurons, but they're still a scientific wonder.

A still from Gladiator II
Technology

The Colosseum naval battles in Gladiator II really happened

The history of brutal spectacles of naumachiae in amphitheaters.

Ooni Volt in a tiled configuration.
Home

Grab this Black Friday deal on Ooni’s indoor pizza oven and skip the Turkey this Thanksgiving

This $180 limited-time discount brings the volt down to its lowest price ever at Amazon.

The best sonos speakers
Speakers

The best Sonos speakers in 2025, tested and reviewed

The connected audio company continues to release at-home and portable wireless speaker systems that innovate in meaningful ways.

the skeleton of a Parasaurolophus dinosaur. it has a wave like crest at the top of its skull
Dinosaurs

A 3D-printed duck-billed dinosaur’s skull could help us learn what it sounded like

Parasaurolophus’ signature crest likely helped it make noise.

A lineup of the best Arduino starter kits on a white background
Smart Home

The best Arduino starter kits of 2025

Arduino kits are a fun, hands-on way for beginners to learn how software and hardware interact.

Notre Dame de Paris cathedral on November 2, 2016 in Paris, France. It's the finest example of French Gothic architecture and the largest and most well-known church buildings in the world.
Engineering

Notre Dame rises from the ashes in behind-the-scenes photos

'National Geographic' captured images of the Gothic cathedral's restoration ahead of its reopening.

Roku Select Series TV in a tiled configuration.
Televisions

Get a 65-Inch 4K Roku TV for just $378 with this early Black Friday deal

This 65-inch smart TV has Roku smart tech built in so you won't need an extra streaming device to get the best experience.

JMGO's N1 Ultimate 4K projector in a tiled configuration.
Audio

One of the best 4K projectors we’ve tested is $900 off for Black Friday

Create a massive, movie-theater sized screen on any open wall in your house.

Solar generators on-sale for Black Friday
Gear

These are the best Black Friday solar generator deals we have ever seen

Brands like Jackery, Anker, EF EcoFlo, and Bluetti have drastically cut prices on some of our favorite solar generators.

tap water
Science

‘Unidentified product’ in tap water identified after 40 years

Researchers suspect that chloronitramide anion might be toxic, but further study is needed.

bottlenose dolphin screaming
Ocean

A lone dolphin has been yelling into Baltic Sea for years

No one is responding.

Each individual strand is too narrow to be clearly captured by any form of visible light camera or microscope.
Science

Behold the world’s thinnest spaghetti

The 'nanopasta' is 200x thinner than a human hair.

A hand holding a blue samsung T7 shield portable SSD
Gear

I use Samsung’s portable SSDs every day and they’re on-sale for up to half-off at Amazon for Black Friday

These portable SSDs are essential equipment for storing photos, editing video, transferring files, and pretty much everything else you can do with data.