Notebook
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Ecosystems
Planting trees could buy more time to fight climate change than thought
Earth has nearly a billion hectares suitable for new forests to start trapping carbon, a study finds.
By Susan Milius -
Astronomy
The earliest known galaxy merger occurred shortly after the Big Bang
Telescopes show two distant blobs of stars and gas swirling around each other in the young universe.
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Health & Medicine
Thick calluses don’t make feet any less sensitive
Bare feet that develop thick calluses are just as sensitive as shoe-clad feet, a study in Kenya finds.
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Materials Science
50 years ago, bulletproof armor was getting light enough to wear
In 1969, bulletproof armor used boron carbide fibers. Fifty years later, bulletproof armor is drastically lighter and made from myriad materials.
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Physics
A computer model explains how to make perfectly smooth crepes
Here’s how to prepare thin pancakes that are perfectly smooth, according to science.
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Astronomy
50 years ago, scientists wanted to build solar panels on the moon
In 1969, scientists proposed building solar panels on the moon to convert the sun’s energy into electricity that can be used on Earth.
By Kyle Plantz -
Health & Medicine
A cognitive neuroscientist warns that the U.S. justice system harms teen brains
The U.S. justice system holds adolescents to adult standards, and puts young people in situations that harm their development, a researcher argues.
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Health & Medicine
50 years ago, scientists tried to transplant part of a human eye
In 1969, a doctor tried and failed to restore a 54-year-old man’s vision. Fifty years later, scientists are still struggling to make eye transplants work.
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Life
1 million species are under threat. Here are 5 ways we speed up extinctions
One million of the world’s plant and animal species are now under threat of extinction, a new report finds.
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Paleontology
A tiny mystery dinosaur from New Mexico is officially T. rex’s cousin
A newly identified dinosaur species called Suskityrannus hazelae fills a gap in tyrannosaur lineage.
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Physics
How scientists traced a uranium cube to Nazi Germany’s nuclear reactor program
New research suggests that the Nazis had enough uranium to make a working nuclear reactor.
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Physics
Here’s what causes the aurora-like glow known as STEVE
Amateur astronomer images and satellite data are revealing what causes the strange atmospheric glow called STEVE.