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Chikao Umezawa, head of JA Kisarazu-shi, posed for a photo beside a robot named "Super Monster Wolf", a solar powered robot designed to scare away wildlife from farmers crops in Kisarazu, southwestern Chiba Prefecture, Japan on August 10, 2017. Wolf Bot uses an infrared ray sensor when wild animals approach. It begins to intimidate wild animals by flashing red LED lights from its eyes on and off and blaring 48 repeated different types of loud sounds. (Photo by Richard Atrero de Guzman/NUR Photo) (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)
Bears

Japan runs out of robot wolves in fight against bears

The handmade, $4,000 Monster Wolf features solar panels, sensors, and intimidating audio.

The front of the coin represents Christ’s crucifixion (right). The reverse side has the Greek letters alpha and omega, symbolizing God as the beginning and the end (left).
Archaeology

Rare medieval coins used as anti-Viking charms found in a field

Only 30 of these silver Agnus Dei coins have been discovered.

Sad dog waiting to go outside, looking out window, resting face on window sill. Family pet conceptual image for sadness, depression, and patience.
Pets

Pet loss is difficult for people. What about for other pets?

Other species appear to also experience grief.

an illustration of a long-necked dinosaur standing by a river
Dinosaurs

A new dinosaur dubbed the ‘Last Titan of Thailand’ weighed more than 9 elephants

Say hello to the ‘Nagatitan.’

Goose flying behind wind turbine
Birds

Birds avoid wind turbines painted like venomous snakes

For animals, certain colors scream poison.

five different views of a neanderthal tooth with a cavity that was filled
Biology

Neanderthal ‘dentists’ treated cavities 59,000 years ago

A molar points to some sophisticated dental work performed by our extinct cousins.

Perseverance Mars rover selfie photo with Martian landscape behind it
Mars

Mars rover snaps a selfie near skyscraper-sized boulders

NASA’s Perseverance rover has traveled nearly 26 miles since landing on the Red Planet in 2021.

Spiral loop of a green steel roller coaster with a coaster on the track.
Ask Us Anything

How to stay safe riding roller coasters

Millions of people ride amusement park rides every year with few serious injuries—but experts say a few precautions still matter.

a woman leads out a team of five mules
Animals

5 new mules set to patrol Olympic National Park

Murl, Cutti, Pip, Checkers, and Gopher will monitor trails, haul supplies, and help with search and rescue efforts.

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Popular Science has been demystifying the worlds of science and technology since 1872. We explain the inner workings of the phone in your pocket, explore world-changing innovations, and examine everything from the marvels of deep space to the secret lives of staples like bread. We deliver an engaging, approachable, and inclusive look at emerging technologies and scientific advances.
Daily, Popular Science unpacks the science behind the top current new stories, dissects the latest technology and digital trends, and helps readers live smarter, safer, and happier through clever DIY projects.

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