Uncategorized
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ChemistryMicrobes mine treasure from waste
Like miniature factories, bioreactors house microbes recruited to chew through wastes to clean dirty water, make chemicals or generate electricity.
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AnimalsSpiders eat insects — and sometimes veggies
Plant-eating spiders have been found on every continent except Antarctica, a new study notes.
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AnimalsLess brilliant flowers still keep bees coming back
Bumblebees prefer petals that aren’t overly shimmery. This suggests plants are attuned to what insects see.
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Brain‘Mindfulness’ defuses stress in classrooms and teaching
The science behind mindfulness shows that both teachers and students can benefit from a bit of focused attention.
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MathScientists Say: Y-axis
The bars on a graph tell you nothing unless you know what they mean. The lines on the sides can let you know.
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PhysicsScrubbing bubbles: Secret to ouch-free dental cleanings?
People with sensitive teeth can find routine dental cleanings painful. But bubbles might pave way to no-touch — and pain-free — cleaning for these people.
By Ilima Loomis -
Health & MedicineFrom zits to warts: Which disturb people most?
In a recent study, people rated acne as one of the most upsetting skin conditions. Many believed myths and misconceptions about zits.
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AnimalsCool Jobs: Pet science
Pets make great subjects for research. These scientists work to make our animals — and us — healthier and happier.
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Health & MedicineScientists link Zika to nerve disease
The Zika virus is spreading in the Americas. There has also been an uptick in cases of Guillain-Barré syndrome. Scientists think the two are linked.
By Laura Sanders and Meghan Rosen -
HumansSlicing meat may have aided human evolution
An experiment with modern-day humans shows how slicing meat could have saved human ancestors energy — and let their bodies and brains get bigger.
By Bruce Bower -
ChemistryExplainer: Some supplements may not have what it takes
Dietary supplements made from plants may not contain all of the chemicals that usually make a particular plant healthy for humans.
By Janet Raloff -
Health & MedicineFood supplements can make you sick
Drugs must past safety testing before they can be sold. But food supplements don’t have to meet the same standards.