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Sunday

The FDA review of Moderna's application for an emergency use authorization of its coronavirus vaccine in adolescents may not be completed before January, the company said. Angela Weiss/AFP via Getty Images hide caption

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Angela Weiss/AFP via Getty Images

Saturday

The northern lights can be seen from the Cameron River viewpoint off the Ramparts Falls trail on the Ingraham Trail near Yellowknife, Canada. VWPics/Universal Images Group via Getty Images hide caption

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VWPics/Universal Images Group via Getty Images

Maria Laura Rojas, a climate activist from Bogota, at the outskirts of the city. Erika Piñeros for NPR hide caption

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Erika Piñeros for NPR

From a place of privilege, she speaks the truth about climate to power

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Friday

Ari Blank got a comforting hand-squeeze from his mom in May as he was vaccinated against COVID-19 in Bloomfield Hills, Mich. This week, the Food and Drug Administration authorized the use of Pfizer's vaccine in even younger kids — ages 5 to 11. Jeff Kowalsky/AFP via Getty Images hide caption

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Jeff Kowalsky/AFP via Getty Images
Hanna Barczyk for NPR

COVID's endgame: Scientists have a clue about where SARS-CoV-2 is headed

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Massive icebergs from Jakobshavn Glacier melting in Disko Bay on sunny summer evening, Ilulissat, Greenland. Paul Souders/Getty Images hide caption

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Paul Souders/Getty Images

TED Radio Hour: Kathryn A. Whitehead Bret Hartman/Bret Hartman / TED hide caption

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Bret Hartman/Bret Hartman / TED

Kathryn Whitehead: How can we safely deliver vaccines to the right cells?

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TED Radio Hour: Keller Rinaudo Ryan Lash/Ryan Lash / TED hide caption

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Ryan Lash/Ryan Lash / TED

Keller Rinaudo: How can delivery drones save lives?

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TED Radio Hour: Erika Hamden Ryan Lash/Ryan Lash / TED hide caption

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Ryan Lash/Ryan Lash / TED

Erika Hamden: What does it take to send a telescope into the stratosphere?

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Climate activists "set fire" to George Square, Glasgow, with an art installation creating a field of climate fire to welcome world leaders to Glasgow for the COP26 conference. Andrew Milligan/PA Images via Getty Images hide caption

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Andrew Milligan/PA Images via Getty Images

Thursday

U.S. health officials have changed their definition of lead poisoning in young children — a move expected to more than double the number of kids with worrisome levels of the toxic metal in their blood. Carlos Osorio/AP hide caption

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Carlos Osorio/AP

Entrance Gate to Bellevue Hospital in New York City Education Images/Education Images/Universal Image hide caption

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Education Images/Education Images/Universal Image

Wednesday

When confronted with a spider-like 3-D model, jumping spiders freeze and back away slowly, especially if the model has eyes. Daniela Roessler hide caption

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Daniela Roessler