Lise Meitner helped discover nuclear fission but never won a Nobel Prize for her brilliance despite 49 nominations

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Lise Meitner looks at Otto Hahn.
Otto Hahn (left) won a Nobel Prize for the discovery of nuclear fission and would later downplay his colleague Lise Meitner (right) for her critical role in the discovery.

ullstein bild Dtl./Getty Images

Black holes are rampaging through our universe at more than 2.2 million mph and scientists think they now know why

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Illustration of a black hole warping space-time around it.
On rare occasions, black holes can get kicked into space after they form.

buradaki/Getty Images

Video shows an alligator 'frozen' in ice during a cold blast in Texas — but it's still alive

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A still from a video shows an alligator sticking its snout through frozen water.
An alligator brumating, sticking its snout through frozen water

Courtesy of @eddiehanhart123

How scrappers cash in on gold from your old computer

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One ton of circuit boards from old e-waste can contain 100 times more gold than a ton of mined gold. Now, scrappers like Wade Crawley in Sydney, Australia, are cashing in. He's partnered with Mint Innovation, a company that invented a safer and cleaner way to recover precious metals from electronics.

A marsupial in Australia will sacrifice sleep for sex, before dying and being eaten by its mate, say scientists

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A male antechinus is shown here.
A male antechinus.

Erika Zaid CC BY-SA

NASA's Mars helicopter broke during a mysterious communication blackout. Now it will never fly again.

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ingenuity drone with helictoper rotors sits on four legs on mars brown dirt
NASA's Ingenuity helicopter on Mars, in a close-up from the Perseverance rover's cameras.

NASA/JPL-Caltech/ASU

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

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