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Iran raises uranium enrichment beyond nuclear deal limits

Iran raises uranium enrichment beyond nuclear deal limits

Iran increased its uranium enrichment Sunday beyond the limit allowed by its 2015 nuclear deal with world powers, inching its program closer toward weapons-grade levels while calling for a diplomatic solution to a crisis heightening tensions with the U.S.
by Associated Press

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Eyes under the water: Volunteers help Great Lakes scientists find invasives below

Eyes under the water: Volunteers help Great Lakes scientists find invasives below

For years, researchers have been amassing hundreds of underwater videos of lake bottoms as they gather data from the depths. Now, they've asked volunteers to watch those videos and help them identify invasive species that appear in them.
by Dan Gunderson

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Aspen Ideas Festival: Facebook CEO Mark Zuckerberg

Aspen Ideas Festival: Facebook CEO Mark Zuckerberg

Facebook CEO Mark Zuckerberg speaks at the 2019 Aspen Ideas Festival about the biggest social issues facing the internet: misinformation and harmful content, privacy, election integrity, and the balance of societal values with the constitutional requirement for free speech.

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Scientists make model embryos from stem cells to study key steps in human development

Scientists make model embryos from stem cells to study key steps in human development

Researchers hope these so-called embryoids could provide crucial new insights into how to treat infertility, prevent miscarriages and birth defects and many diseases. But they stir ethical concerns.
by Rob Stein

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At your wits' end with a screen-obsessed kid? Read this

At your wits' end with a screen-obsessed kid? Read this

NPR's Life Kit sent a parenting expert to help a family cope with its kids' device fixation. They learned that setting media boundaries means more than limiting the time they spend on screens.
by Anya Kamenetz and Chloee Weiner

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