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Last Updated: Aug 16, 2019 12:19AM • Subscribe via RSS • ATOM

Tiny Flossers: Miniature Robots May Become Dental Technicians

Aug 16, 2019 12:19AM

A University of Pennsylvania scientific team has designed microscopic robots that can precisely and non-invasively remove teeth plaque.

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Moon Rocks: Tectonic Activity Shakes Geologists

Aug 16, 2019 12:18AM

Seismometers deployed by NASA astronauts half a century ago have picked up surprising “moonquakes” on our 4.6-billion-year-old moon.

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Copper Conflict: Opponents Fight Mine in Arizona Desert

Aug 16, 2019 12:18AM

Strong opposition is building against the federal approval of a massive copper mine in the midst of sacred indigenous land in Arizona that would have severe environmental impacts.

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Pastoral Pollution: Drugs Found in Rural Rivers

Jun 28, 2019 12:38PM

Cocaine, pharmaceuticals and pesticides have been found in freshwater shrimp captured from rural rivers in the U.K.

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Too Blue: Algae Loss Colors Ocean

Jun 28, 2019 12:38PM

More than half of the surface area of the planet’s oceans may turn slightly bluer as marine phytoplankton disappear due to seawater warming.

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Far Out: Earth’s Atmosphere Extends Past Moon

Jun 04, 2019 08:29PM

The outermost region of the Earth’s atmosphere has been newly determined to reach out much farther than the moon.

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Baby Balking: Climate Change Discourages Childbearing

Jun 04, 2019 08:29PM

The U.S. birthrate has been falling steadily, partly because prospective parents are worried about the increased frequency and intensity of storm, drought and wildfires, as well as about growing geopolitical unrest and resource scarcity.

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Hopper Stopper: Endangered Frogs Keep Millions of Acres as Habitat

Jun 04, 2019 08:29PM

Almost two million acres of California mountain habitat will remain a protected area for endangered frogs and toads after a federal court dismissed a cattlemen’s lawsuit challenging the designation.

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The Minimalist Family: Trading Clutter for Calm

May 31, 2019 12:11PM ● By Meredith Montgomery

Families are happily finding that less “stuff’ can lead to less stress and more time together doing what they value most.

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Legal Pot Lifts Junk Food Sales: Recreational Marijuana Increases Unhealthy Snacking

May 31, 2019 11:47AM

After three states legalized recreational marijuana, sales of potato chips, cookies and ice cream rose.

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