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