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AnimalsDog wins tally of nerve cells in the outer wrinkles of the brain
Golden retrievers rate at the top for numbers of nerve cells, a study of some carnivores finds.
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ChemistryScientists Say: Salt
Salts in chemistry are compounds made when a positively charged acid is combined with a negatively charged base. Table salt is one example.
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ComputingHow to stop phone apps from spying on you
Many apps — especially free ones — collect data on a user and then sell them to advertisers. A new tool can help monitor that misuse of personal data and beef up privacy protection.
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AgricultureRobots will control everything you eat
Robots are now being introduced into all phases of how food is grown and prepared. In the future, though, they will be common.
By Terena Bell -
PlanetsSaturn’s rings might be shredded moons
Final data from the Cassini spacecraft put a mass and a date of birth on the gas giant’s iconic rings.
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AnimalsAnalyze This: Electric eels’ zaps are more powerful than a TASER
Shocking! A biologist reached his hand into a fish tank and let an electric eel zap him. It let him measure precisely how strong a current it could unleash to defend itself.
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ClimateA meteor explodes over Michigan
Here’s how scientists tracked down the source of a heavenly explosion over rural Michigan, last week.
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PhysicsProbing the power of the winds
Young researchers have been exploring the energy in wind to see how best they might tame it, harness it and understand its role in shaping the natural world.
By Sid Perkins -
ClimateExplainer: Winds and where they come from
Temperature and pressure are critical factors affecting why the wind blows where it does. Understanding the nature of wind can teach us a lot about weather.
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SpaceScientists Say: Neutron star
When large, ancient stars die, they explode. But they don’t disappear. The remnants become incredibly dense neutron stars.
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ChemistryChanging toothpastes? Change your toothbrush
Scientists have found that toothbrush bristles absorb triclosan, then release the potentially toxic chemical when users switch toothpastes.
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Science & SocietyKids make great citizen scientists
When professional scientists need help from a crowd, they often turn to kids and teens.