All Stories
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EarthNot one, but two asteroids might have ended the age of dinosaurs
A craterlike structure found off the coast of West Africa might have been formed by an asteroid that struck around the time dinosaurs went extinct.
By Nikk Ogasa -
SpaceScientists Say: Telescope
Almost everything we know about the universe around us, we know thanks to telescopes.
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ChemistryNo trees were harmed to 3-D print this piece of wood
How clever! Scientists used print-speed adjustments to control how flat, 3-D printed shapes morph into complex wooden objects.
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AnimalsSome ecologists value parasites — and now want a plan to save them
Parasites get a bad rap as disease-causing, unwelcome guests on other organisms. But parasites are also imperiled, and scientists don’t want to lose them.
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AnimalsAnalyze This: Bulky plesiosaurs may not have been bad swimmers after all
Long-necked plesiosaurs were thought to be slow swimmers. But new research suggests the animals’ large size helped them overcome water resistance.
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PhysicsLet’s learn about gravitational waves
Gravitational waves offer scientists a new way to view extreme objects such as black holes and neutron stars.
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AnimalsA tiny microbe inspired this scientist’s big dreams
Marc Mapalo has discovered three species of tardigrades and studies fossils of these water bears to better understand how their bodies have changed over time.
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LifeScientists Say: Fungi
Although some fungi can cause diseases, others can be eaten, used to make medicines or serve other useful functions.
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AnimalsHow boa constrictors squeeze their prey without strangling themselves
Tracking boas’ ribs in X-ray videos revealed the snakes’ squeezing secrets. It’s the latest Wild Things cartoon from Science News Explores.
By Maria Temming and JoAnna Wendel -
AnimalsRats can chronicle human history
Rats have lived alongside people for thousands of years. Now, scientists can study the rats and their leavings to learn more about ourselves.
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Materials ScienceLaser light transformed plastic into tiny diamonds
The technique could be used to make nanodiamonds for quantum devices and other technology.
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AnimalsAncient ‘ManBearPig’ mammal lived fast — and died young
Developing in the womb for a while — but being born ready to take on the world — may have helped post-dinosaur mammals rise to dominance.