Why COVID-19 poses a special risk during pregnancy, and how hair can split steel

Why COVID-19 poses a special risk during pregnancy, and how hair can split steel

Staff Writer Meredith Wadman joins host Sarah Crespi to discuss the risk of the novel coronavirus infection to pregnant women. Early data suggest expectant women are more likely to get severe forms of the infection and require hospitalization. Meredith describes how the biology of pregnancy—such as changes to the maternal immune system and added stress on the heart and lungs—might explain the harsher effects of the virus. Also this week, Sarah talks with Gianluca Roscioli about his experiments with commercial razor blades and real human hair. By using a scanning electron microscope, he was able to show how something relatively soft like hair is able to damage something 50 times harder like stainless steel. This week’s episode was produced with help from Podigy. Listen to previous podcasts. About the Science Podcast Download a transcript (PDF). [Image: G. Roscioli et al., Science 2020; Music: Jeffrey Cook] Authors: Sarah Crespi; Meredith Wadman Episode page: https://www.sciencemag.org/podcast/why-covid-19-poses-special-risk-during-pregnancy-and-how-hair-can-split-steel Learn more about your ad choices. Visit megaphone.fm/adchoices

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Episoder(642)

Fighting deepfakes, and using bacteria to deliver medicine inside the body

Fighting deepfakes, and using bacteria to deliver medicine inside the body

First up on the podcast, Meagan Cantwell produced a segment with Contributing Correspondent Kai Kupferschmidt on the fight against deepfakes. Kupferschmidt talks with Hany Farid, professor at the Univ...

14 Mai 31min

A team effort to save a giant fish, the power of moonlight, and how scientists can navigate a tough political environment

A team effort to save a giant fish, the power of moonlight, and how scientists can navigate a tough political environment

First up on the podcast, along Brazil’s Juruá River, local residents have been working with scientists to manage a giant fish called the arapaima—affecting the land, the people, and the economy. Contr...

7 Mai 53min

Watching a spiders’ heart beat, epigenetic ethics, and what science biographies reveal about fame

Watching a spiders’ heart beat, epigenetic ethics, and what science biographies reveal about fame

First up on the podcast, Online News Editor David Grimm shares a batch of fun stories with podcast host Sarah Crespi—from spider hearts racing when traffic gets loud to a disease-preventing house. Sta...

30 Apr 46min

Cleaning up uranium mining, and how the heart avoids cancer

Cleaning up uranium mining, and how the heart avoids cancer

First up on the podcast, freelance science and environmental journalist Quentin Septer joins host Sarah Crespi to talk about a controversial uranium mine getting fast-tracked in South Dakota. Septer c...

23 Apr 30min

The normals | Episode 3

The normals | Episode 3

The final of a three-part limited Science Podcast series that looks at the history of normal human subjects in research In episode two, we heard what happened to the normals program after church volu...

21 Apr 33min

How to keep quantum computers cool, whether prediction markets harm public health, and podcasting on podcasting

How to keep quantum computers cool, whether prediction markets harm public health, and podcasting on podcasting

First up on the podcast, quantum computers require extremely low temperatures—less than 1°C away from absolute zero. But getting down to those temperatures has usually required dilution fridges using ...

16 Apr 50min

The Normals | Episode 2

The Normals | Episode 2

Last time on The Normals, we learned that in the 1950s, the National Institutes of Health (NIH) wanted to recruit many healthy volunteers for basic research. Two peace churches, the Mennonites and the...

14 Apr 27min

A chimpanzee ‘civil war,’ and NASA plans for nuclear propulsion

A chimpanzee ‘civil war,’ and NASA plans for nuclear propulsion

First up on the podcast, freelance science journalist Hannah Richter joins host Sarah Crespi to discuss NASA’s plans to send a nuclear-powered spacecraft to Mars in less than 3 years. Having not launc...

9 Apr 42min

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