Category: ScienceNews

Today's episode is about how you're never alone.

That's because there are tiny mites that live on your skin — including your face. They come out at night and mate. And we're not totally sure what they eat. See? Don't you feel better already?

Researcher Megan Thoemmes tells us about the lives of these eight-legged creatures — and what they can tell us about ourselves.

Also, if you can believe it, Short Wave launched a year ago today. Happy anniversary to us! And thanks for listening!

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Back in December, we brought you two episodes on the MOSAiC expedition. With hundreds of scientists from 20 countries, the German-led polar research mission is the largest in history. But the mission has also been marked by reports of gender discrimination and harassment.

So today, we're turning away from the research and talking to Chelsea Harvey, an E&E News reporter who joined MOSAiC for several weeks. We talk about her recent story and her own experiences on the expedition.

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Adriana Briscoe, a professor of biology and ecology at UC Irvine, studies vision in butterflies. As part of her research, she's trained them to detect light of a certain color. She also explains why they bask in the sunlight, and why some of them have 'hearts' in their wings. Plus, you'll never guess where their photoreceptors are.

She's written about the importance of teachers and mentors in diversifying the STEM fields.

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Data from clinical investigations has suggested that a specific mutation in the SARS-Cov -2 virus has made it more transmissible. This finding is now supported by molecular biology work. Ralph Baric from the University of North Carolina led a team comparing the form of the virus which first emerged from China with the mutated type now prevalent word wide.

Bats are known to carry many different types of viruses, horseshow bats specifically carry coronaviruses, apparently without any ill effects to themselves. However some viruses do affect or even kill bats. Daniel Streicker from the University of Glasgow says more research in this area may help find those bat viruses most likely to jump to humans.

Malaria is no stranger to Africa, but largely keeps out of urban centres as it’s difficult for the mosquitoes which carry the parasites to survive there. However an Asian mosquito which is better adapted to life in the city is now threatening to move in. Entomologist Marianne Sinka Has been looking at how and where it might spread.

And the Nobel prize for chemistry has been won by the inventors of the Crispr gene editing technique Gunes Taylor is a genetic engineer who used this technique at the Crick Institute in London tells us why it is now so central to biological research.

Crowdscience solves a range of listeners’ cosmic mysteries, from the reason we only ever see one side of the moon, to why planets spin, and discover the answer can be found in the formation of the solar system. We talk to astronomer Dr Carolin Crawford to understand how stars are made, and investigate the art of astronomy with journalist Jo Marshall, hearing how the ancient Greeks came up with a zodiac long before the invention of a telescope, revealing an intimate relationship between humans and the night sky.

(Image: Getty Images)

Crowdscience solves a range of listeners’ cosmic mysteries, from the reason we only ever see one side of the moon, to why planets spin, and discover the answer can be found in the formation of the solar system. We talk to astronomer Dr Carolin Crawford to understand how stars are made, and investigate the art of astronomy with journalist Jo Marchant, hearing how the ancient Greeks came up with a zodiac long before the invention of a telescope, revealing an intimate relationship between humans and the night sky.

Presenter: Marnie Chesterton Producer: Marijke Peters

[Image: The Solar System. Credit: Getty Images]

Environmental scientist Heidi Appel explains how plants detect sound — and whether talking to yours could help them grow big and strong.

Plus, a bit of listener mail from you! Which you can always send by emailing shortwave@npr.org.

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Data from clinical investigations has suggested that a specific mutation in the SARS-Cov -2 virus has made it more transmissible. This finding is now supported by molecular biology work. Ralph Baric from the University of North Carolina led a team comparing the form of the virus which first emerged from China with the mutated type now prevalent word wide.

Bats are known to carry many different types of viruses, horseshow bats specifically carry coronaviruses, apparently without any ill effects to themselves. However some viruses do affect or even kill bats. Daniel Streicker from the University of Glasgow says more research in this area may help find those bat viruses most likely to jump to humans.

Malaria is no stranger to Africa, but largely keeps out of urban centres as it’s difficult for the mosquitoes which carry the parasites to survive there. However an Asian mosquito which is better adapted to life in the city is now threatening to move in. Entomologist Marianne Sinka Has been looking at how and where it might spread.

And the Nobel prize for chemistry has been won by the inventors of the Crispr gene editing technique Gunes Taylor is a genetic engineer who used this technique at the Crick Institute in London tells us why it is now so central to biological research.

(Image: Getty Images)

Presenter: Roland Pease Producer: Julian Siddle

Even though we've been living with the pandemic for months, there's still lots of confusion about coronavirus tests and what the results do — and don't — mean. NPR correspondent Rob Stein explains the types of tests, when they are most accurate and how to make sense of the results.

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In honor of Fat Bear Week coming to a close, Short Wave is revisiting our episode on black bear hibernation. (Fat Bear Week is the annual tournament celebrating some of the fattening bears of Katmai National Park.) On today's show, Rae Wynn-Grant, a large carnivore biologist, explains there's a lot more going on during hibernation than you might expect.

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From who historically wins the awards, to how they portray the process of science and collaboration, host Maddie Sofia and NPR science correspondent Nell Greenfieldboyce discuss the many problems with Nobel Prizes in science.

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