All Stories
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HumansResearchers role-played as Neandertals to learn how they hunted birds
By pretending to be Neandertals, researchers show that the ancient hominids likely had the skills to hunt crowlike birds called choughs.
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EarthWhat can ‘silent earthquakes’ teach us about the next Big One?
Earthquakes usually last seconds. But sometimes, they can last days, or even years. Here’s what scientists are learning about these “slow-slip events.”
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BrainConcussion patients should avoid screen time for first two days
Teens may find it hard to avoid screen time, but data from a new study suggest it can speed their recovery.
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EarthLet’s learn about auroras
A gust of charged particles from the sun called the solar wind lights up auroras on Earth — and on other planets.
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Materials ScienceAnalyze This: Hardened wood can make sharp steak knives
Researchers treated wood to make it hard and dense. Out of it, they carved sharp knives and nails that could substitute for ones made of steel.
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Materials ScienceThese colorful butterflies were printed with transparent ink
Clear ink creates a whole rainbow of colors when printed in precise, microscopic patterns. This phenomenon is known as structural color.
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EarthScientists Say: Convection
Convection is a process that transfers heat through the movement of liquid or gas.
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HumansA growing share of teens feels lonely at school
Data from kids in 37 nations links this to use of cell phones and the internet.
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Health & MedicinePsychology shines light on the harm racism can do
All forms of racism are harmful. Research sheds new light on the biases behind racism and the many ways it can affect our mental health.
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Health & MedicineWhat to know as Pfizer’s COVID-19 vaccine rolls out for kids under 12
After a trial in which no unusual side effects were reported, and approval by the FDA and CDC, kids ages 5 to 11 will be able to receive the COVID-19 vaccine.
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ChemistryScientists find a ‘greener’ way to make jeans blue
When coated onto jeans, a plant-based polymer reduces water and cuts the amount of toxic chemicals needed.
By Shi En Kim