Science Magazine Podcast3 Huhti 2025

Talking about engineering the climate, and treating severe nausea and vomiting during pregnancy

Geoengineering experiments face an uphill battle, and a way to combat the pregnancy complication hyperemesis gravidarum First up on the podcast, climate engineers face tough conversations with the public when proposing plans to test new technologies. Freelance science journalist Rebekah White joins host Sarah Crespi to discuss the questions people have about these experiments and how researchers can get collaboration and buy-in for testing ideas such as changing the atmosphere to reflect more sunlight or altering the ocean to suck up more carbon dioxide. Next on the show, hyperemesis gravidarum—severe nausea and vomiting during pregnancy—is common in many pregnant people and can have lasting maternal and infant health effects. This week, Marlena Fejzo wrote about her path from suffering hyperemesis gravidarum to finding linked genes and treatments for this debilitating complication. For her essay, Fejzo was named the first winner of the BioInnovation Institute & Science Translational Medicine Prize for Innovations in Women’s Health. Fejzo is a scientist at the Center for Genetic Epidemiology in the department of population and public health sciences at the University of Southern California’s Keck School of Medicine. This week’s episode was produced with help from Podigy. About the Science Podcast Authors: Sarah Crespi; Rebekah White Learn more about your ad choices. Visit megaphone.fm/adchoices

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Maternal effects in songbirds and a news roundup

Renée Duckworth discusses the role of maternal effects on species replacement in ecological communities shaped by forest fires. David Grimm discusses daily news stories. Hosted by Susanne Bard. [Img: ...

19 Helmi 201517min

The planetary boundaries framework, marine debris, and a news roundup

Will Steffen discusses the processes that define the planetary boundaries framework: a safe operating space within which humanity can still thrive on earth. Jenna Jambeck examines the factors influenc...

12 Helmi 201529min

Spatial neurons and a news roundup

Gyorgy Buzsáki discusses how two types of neurons in the brain's hippocampus work together to map an animal's environment. David Grimm discusses daily news stories. Hosted by Susanne Bard. [Img: © Isa...

5 Helmi 201520min

Mathematicians and the NSA and a news roundup

John Bohannon discusses the growing rift between mathematicians and the National Security Agency following Edward Snowden's 2013 revelations of massive eavesdropping on U.S. citizens. David Grimm disc...

29 Tammi 201526min

How comets change seasonally and a news roundup

Myrtha Hässig discusses variability and heterogeneity of the coma of comet 67P as part of Science's special issue on the Rosetta spacecraft. Meghna Sachdev discusses daily news stories. Hosted by Susa...

22 Tammi 201517min

High-altitude bird migration and a news roundup

Charles Bishop discusses the "roller-coaster" flight strategy of bar-headed geese as they migrate across the Himalayas between their breeding and wintering grounds. Online news editor David Grimm disc...

15 Tammi 201526min

Deworming buffalo and a news roundup

Vanessa Ezenwa discusses the complex relationship between parasitic infections and tuberculosis in African buffalo and what it can tell us about human health. Online news editor David Grimm dicusses c...

8 Tammi 201519min

Measuring MOOCs

Justin Reich discusses the brief history of MOOCs and their impact on teaching online and offline. [Img: GARY WATERS/GETTYIMAGES] Learn more about your ad choices. Visit megaphone.fm/adchoices

1 Tammi 201515min