Oura CEO calls Apple Watch sales ban a 'David and Goliath story,' says he'll keep an eye on Samsung's rival smart ring

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Oura ring
The Oura ring, which monitors biometrics like blood pressure and heart rate, will be challenged by Samsung's new "Galaxy Ring."

Oura

A new space photo of Japan's first spacecraft to land on the moon shows why it's not generating any power

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image taken by a Lunar Excursion Vehicle 2 (LEV-2) of a robotic moon rover called Smart Lander for Investigating Moon, or SLIM, on the moon.
Image taken by a Lunar Excursion Vehicle 2 (LEV-2) of Japan's SLIM lander upside down on the moon.

JAXA/Takara Tomy/Sony Group Corporation/Doshisha University

Ancient human DNA suggests Columbus may not have brought syphilis to Europe after all

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a picture shows ancient bones in situ in gravelly soil. The skeleton's shins are folded back against the person's chest.
Ancient remains dating back around 2,000 years suggest a cousin of syphilis spread around South America then, but not the sexually transmitted kind.

Dr. Jose Filippini

The real Paleo diet was heavy on plants with very little meat, according to a study of early human remains

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A stock image shows a person wearing animal skins and holding up a meat-covered bone in front of a cave.
An actor re-enacts a pre-agriculture man holding up a meaty bone.

gorodenkoff/iStock / Getty Images Plus

Humans are depleting groundwater faster than in the past 40 years, but places like Saudi Arabia and Thailand have figured out how to boost their freshwater reserves

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A man stands in a deep hole in the ground, collecting groundwater to water a cow shown on the right.
In about a third of the aquifers analyzed, researchers found that depletion has been more severe in the 21st century than in the last 20 years of the previous one.

AP Photo/Brian Inganga, File

Scientists discovered a new dinosaur species, and it could reshape the history of T. rex's evolution

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Computer animations of two giant dinosaurs locked in a fight.
Scientists discovered a new dinosaur species that was comparable in size to T. rex.

Sergydv/Getty Images

Take a look at the silent X-59 aircraft, NASA's experimental attempt at creating a supersonic jet with a quieter sonic boom

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The experimental quiet supersonic aircraft X-59
The experimental quiet supersonic aircraft X-59.

Lockheed Martin/Garry Tice/Handout via REUTERS

10,000-year-old chewing gum is full of clues about what Stone Age teens were eating

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A picture shows a black wad of resin placed between two casts of gum that show clear teeth marks embedded in the resin.
A picture shows ancient resin next to two casts of the gum showing clear teeth mark left behind a teen almost 10,000 years ago.

Verner Alexandersen/Stockhölm University

Men in medieval China were able to move up the social ladder as easily as male Baby Boomers in the US, study suggests

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A miniature landscape palace of Xi 'an Daming Palace National Heritage Park is seen under heavy snow in Xi 'an City, Shaanxi Province, China, Nov 11, 2023.
A miniature landscape palace of Xi 'an Daming Palace National Heritage Park is seen under heavy snow in Xi 'an City, Shaanxi Province, China, Nov 11, 2023.

Costfoto/NurPhoto via Getty Images

NASA telescope discovers mysterious hotspot of high-energy particles beyond our galaxy

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gamma ray burst
An artist's interpretation of a gamma-ray burst.

DESY, Science Communication Lab

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