Read the latest articles from Popular Science (Page 120)

A 50 cent coin from 1817 (left) and an 1846 Liberty head one-cent coin (right) are just two of the numerous objects uncovered in a dig in Troy, Ohio.
Archaeology

Rare 19th-century coins found after fire at historic tavern

Last December, flames engulfed Ohio’s Overfield Tavern Museum. Now archaeologists get to dig beneath the floorboards.

Kidney transplant in container
Diseases

Donor organ’s blood type altered for the first time

Scientists removed the blood's antigens to make a kidney the universal type-O.

A 3D model of the ancient Roman water basin uncovered about 11 miles east of Rome.
Archaeology

Forgotten rival of Ancient Rome featured an impressive water basin

Gabii was a once powerful city, but was largely abandoned by 50 CE.

Big bison in the National Park on the shore of a lake or river
Land

This national park uses helicopters for bison round-up duty

About 400 bison will be dispersed to tribal lands amid ongoing conservation efforts.

a woman running with snow-capped mountains in the background
Fitness & Exercise

Ultra-endurance athletes can burn up to 8,000 calories per day

A 'metabolic ceiling' still keeps the body in check, even when running hundreds of miles at a go.

A photograph of an old, abandoned operating room with peeling, distressed green paint on the walls. The room is symmetrically framed, featuring a central metal operating table and a large surgical lamp hanging from the ceiling. Two tall, barred windows on either side are brightly backlit, casting a dramatic light into the dim room.
Ask Us Anything

 What makes a place seem ‘haunted’?

Psychology, setting, and the power of suggestion all help make certain places feel more spooky.

Onyx Black Bowers & Wilkins Px8 S2 headphones in their case amongst bright green plants.
Headphones

Bowers & Wilkins Px8 S2 noise-cancelling wireless headphones review: Turning transit into theatre

If you want a Bluetooth headphone that offers composure on command, British brand Bowers & Wilkins' flagship Px8 S2 says keep calm and put me in your carry-on.

atlas robot holding up its three-digit hands
Robots

Robot hands are becoming more human

From Boston Dynamics' three-fingered Atlas bot to Figure's five-digit model.

Woman leaning back in office chair at desk looking out window
Fitness & Exercise

Deep sighs are not only satisfying—they’re healthy

Those deep breaths can really help your lungs.

A close-up photograph of a brown bear's head peering through the rusted metal bars of a cage or enclosure. The bear has sad-looking eyes and its nose is visible near the bottom of the frame, with a dark background emphasizing its confinement.
Bears

Freeing captive bears from Armenia’s backyards and basements

Rescuers are removing Syrian brown bears from hellish conditions in private homes and businesses and bringing them to a rehab center.

A family of grizzly bears, including a mother and three cubs
Wildlife

18 triumphant images from the 1839 Photography Awards

Our great big world captured in beautiful detail.

screenshot of messages on iphone
Tech Hacks

The coolest new iPhone Messages features

From custom backgrounds to polling your friends to quick translations.

Prevent tech neck header woman doing banded rows
Fitness & Exercise

4 ways to fix ‘tech neck,’ according to a physical therapist

Strengthening can help if you're staring at your phone too much.

a glowing green capped mushroom
Conservation

13 fascinating fungi photos that’ll really grow on you

‘Planet Fungi: A Photographer’s Foray’ celebrates the beauty and braun of fungi.

several large black antsDeposit Photos
Insects

Ants ‘social distance’ during a pandemic

The insects build differently when exposed to a pathogen.

pouring coffee into a white cup that is sitting on coffee beans
Agriculture

Coffee’s delicious journey from tiny bean to tasty brew

Kobalt tools deal header
Home

This 297-piece Kobalt Mechanics Tool Kit is just $99 at Lowe’s with an included tool box

This kit is typically $150, but it's just $99 at Lowe's, which makes it a fantastic gift for just about anyone.

ROV screenshot of dive to Titan submersible debris on ocean floor
Engineering

OceanGate’s ‘Titan’ went on 7 dives with a damaged hull before implosion

Investigators found that the submersible’s exterior featured ‘multiple anomalies’ as early as 2022.

Dubai chocolate is a dessert prepared with milk and dark chocolate, roasted shredded wheat, pistachio paste and tahini.
Science

Why foods like Dubai chocolate go viral

Psychologists break down how the treat delights our brain and our tastebuds.

Security camera footage of bear entering grocery store in Japan
Bears

Bears have attacked over 100 people in Japan since March

The dangerous encounters are on the rise.