Madeline K. Sofia Madeline Sofia is the host of Short Wave, NPR's daily science podcast.
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Madeline K. Sofia

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Monday

Marcos del Mazo/LightRocket via Getty Images

Monday

Claudio Reyes/AFP via Getty Images

How To Start Hormone Replacement Therapy

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Friday

Thursday

Prisma Bildagentur/Universal Images Group via Getty

Wednesday

Health workers wear personal protective equipment at a Covid-19 testing site outside Parkview Community Hospital Medical Center in Riverside, California. Bing Guan/Bloomberg via Getty Images hide caption

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Bing Guan/Bloomberg via Getty Images

Pandemic Dispatches From The ER

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Tuesday

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You Mite Want To Shower After This

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Monday

People who love a good thrill are known in psychology as high sensation seekers. According to psychologist Ken Carter, high sensation seekers produce less cortisol than low sensation seekers in risky situations like white water kayaking. They also seem to produce more dopamine, which is that neurotransmitter that's associated with pleasure. Behrouz Mehri/AFP via Getty Images hide caption

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Behrouz Mehri/AFP via Getty Images

Friday

Dew drops collected on blades of grass in Bangkok, Thailand. Anatthaphon Buangam/Getty Images/EyeEm hide caption

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Anatthaphon Buangam/Getty Images/EyeEm

Wednesday

Claudio Reyes/AFP via Getty Images

Tuesday

MIT's Martin Zwierlein works with ultracold atomic gases. Within these glowing clouds of atoms, "superfluid" states of matter form. Zwierlein Ultracold Quantum Gases Group hide caption

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Zwierlein Ultracold Quantum Gases Group

Friday

Children build sandcastles on Blackpool Beach in England. Anthony Devlin/Getty Images hide caption

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Anthony Devlin/Getty Images

Thursday

Facebook Inc. headquarters stands in this aerial photograph taken above Menlo Park, California. Sam Hall/Bloomberg via Getty Images hide caption

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Sam Hall/Bloomberg via Getty Images

Wednesday

The team at work at the excavation site, removing debris using large tools. Paolo Verzone/National Geographic hide caption

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Paolo Verzone/National Geographic

Tuesday

A healthcare worker prepares a dose of the Pfizer-BioNTech Covid-19 vaccine during a vaccination event at a school in Boston, Massachusetts, U.S., on Monday, August 16, 2021. Bloomberg/Bloomberg via Getty Images hide caption

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Bloomberg/Bloomberg via Getty Images

COVID-19 News: A Hospital System Overwhelmed, Booster Shots Update

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Friday

Poodle "Lotti" from Austria takes a look in the mirror of a beauty case during a contest at the "World Dog Show" dog fair in Leipzig, eastern Germany, on November 8, 2017. AFP Contributor/DPA/AFP via Getty Images hide caption

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AFP Contributor/DPA/AFP via Getty Images

Thursday

Black and white cat lounging on a couch. Molly Aaker/Getty Images hide caption

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Molly Aaker/Getty Images

Wednesday

Sampson wears personal protective equipment in the lab, like these googles, which are also worn by canine law enforcement and military dogs. Doris Dahl/Beckman Institute, University of Illinois at Urbana-Champaign hide caption

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Doris Dahl/Beckman Institute, University of Illinois at Urbana-Champaign

Tuesday

Dog enjoying some face rubs in the grass. Silvia Vellozo/Getty Images/EyeEm hide caption

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Silvia Vellozo/Getty Images/EyeEm

Monday

Standard Wire-haired Dachshund relaxing on a warm summers day outside in the sunshine. Keep It 100/Getty Images hide caption

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Keep It 100/Getty Images

Siriusly, It's The Dog Days Of Summer!

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Thursday

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Wednesday

Among the topics discussed at the 2021 Alzheimer's Association International Conference were how doctors should think about prescribing the new drug Aduhelm and how COVID may affect the brain long-term. The Alzheimer's Association hide caption

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The Alzheimer's Association

Friday

Thousands of dancing fireflies in Japan create an enchanted forest. Photographer Kei Nomiyama has visited the Japanese island Shikoku every year since 2012 to capture the mesmerizing images of thousands of fireflies glowing in the forest. Kei Nomiyama/Barcroft Media via Getty Images hide caption

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Kei Nomiyama/Barcroft Media via Getty Images

Thursday

Students wearing masks listen to teacher Dorene Scala during third grade summer school at Hooper Avenue School in Los Angeles, California. Carolyn Cole/Los Angeles Times via Getty Images hide caption

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Carolyn Cole/Los Angeles Times via Getty Images

Wednesday

Mountaineers climb the Hillary Step during their ascend of the South face to summit Mount Everest. Lakpa Sherpa/AFP via Getty Images hide caption

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Lakpa Sherpa/AFP via Getty Images

How Tall Is Mount Everest? Hint: It Changes

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