Uncategorized
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PlantsScientists Say: Urushiol
Poison ivy looks harmless, but its oil, urushiol, is not. This is the plant’s oil that leaves an itchy rash or blisters on your skin.
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HumansPicture This: ‘Super-henge’ buried near Stonehenge
Scientists using ground-penetrating radar discovered a massive stone monument, now buried, at a prehistoric village near Stonehenge.
By Bruce Bower -
EarthCool Jobs: Finding foods for the future
What's for dinner... tomorrow? Scientists are developing new foods to meet the demands of the growing population in a changing world.
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AgricultureWeed killers may go from plant to pooch
Dogs love to roll around in the grass. But if there is weed killer around, it could end up on — and in — our furry pals.
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BrainParents’ math anxiety can ‘infect’ kids
A study of first- and second- graders found that kids whose parents fear math learn less math at school ¬— but only when parents help with homework.
By Ilima Loomis -
AnimalsHummingbird tongues may be tiny pumps
Scientists had thought that hummingbird tongues work through capillary action. A new study, though, concludes they work like little pumps.
By Susan Milius and Sarah Zielinski -
Agriculture‘Wildlife-free’ farms don’t make salads safer
Scientists find that removing wildlife from farms did not make raw vegetables safer to eat.
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Health & MedicineScientists Say: Virulence
The virulence of a germ is a measure of its potential to cause disease.
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EarthQuake provides test for tsunami prediction
The 8.3-magnitude Chilean earthquake offered an unexpected chance to test a new way of predicting tsunami damage.
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EarthExplainer: What is a tsunami?
Earthquakes and landslides can create huge waves that travel across oceans.
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AgricultureMade in the shade
Agroforestry combines woody plants and agriculture. Growing trees alongside crops and livestock benefits wildlife, environment, climate — and farmers.
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BrainChildhood stress can leave changes in the adult brain
A new study finds that young men who had experienced lots of stress early in life carried a lasting legacy — changes in the size and shape of their brains.