An aggressive cancer’s loophole, and a massive field of hydrogen beneath the ocean floor

An aggressive cancer’s loophole, and a massive field of hydrogen beneath the ocean floor

First up on the podcast, aggressive tumors have a secret cache of DNA that may help them beat current drug treatments. Freelance journalist Elie Dolgin joins host Sarah Crespi to talk about targeting so-called extrachromosomal DNA—little gene-bearing loops of DNA—that help difficult-to-treat cancers break the laws of inheritance. Next on the show, producer Meagan Cantwell talks with Weidong Sun, director of the Center of Deep Sea Research at the Chinese Academy of Sciences, about the discovery of a hydrogen-rich system so large it makes up at least 5% of current estimates for global hydrogen emissions from abiotic sources. They discuss how hydrogen gas rising from the mantle reacting with oxygen could have triggered an explosion that formed holes hundreds of meters across and dozens of meters deep. This week’s episode was produced with help from Podigy. Authors: Sarah Crespi; Elie Dolgin; Meagan Cantwell Learn more about your ad choices. Visit megaphone.fm/adchoices

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Engineering safer football helmets, and the science behind drug overdoses

Engineering safer football helmets, and the science behind drug overdoses

First up on the podcast, host Sarah Crespi and Staff Writer Adrian Cho talk football and the latest science behind helmets engineered to reduce head injuries. Have better materials and testing led to ...

5 Feb 39min

Shielding astronauts from cosmic rays, and planning the end of fossil fuels

Shielding astronauts from cosmic rays, and planning the end of fossil fuels

First up on the podcast, how do we protect astronauts when they leave the shelter of Earth’s protective magnetic fields and face the slow, constant bombardment of space radiation? Freelance science jo...

29 Jan 38min

Tracking falling space debris via sonic booms, and getting drunk off your own microbes

Tracking falling space debris via sonic booms, and getting drunk off your own microbes

First up with Jennie Erin Smith, Science’s new senior biomedicine reporter, we delve into: autobrewery syndrome, when microbes inside the human gut make too much alcohol; how doctors can use a public ...

22 Jan 32min

Reversing ecological destruction in the Galápagos, and finally mapping Antarctica’s surface

Reversing ecological destruction in the Galápagos, and finally mapping Antarctica’s surface

First up on the podcast, freelance science journalist Sofia Quaglia talks about her visit to the Galápagos archipelago and how researchers there are working to restore the islands to their former ecol...

15 Jan 30min

The real da Vinci code, and the world’s oldest poison arrows

The real da Vinci code, and the world’s oldest poison arrows

First up on the podcast, scholars are on a quest to find Leonardo da Vinci’s DNA. With no direct descendants, the hunt involves sampling the famous polymath’s papers, paintings, and distant cousins. C...

8 Jan 27min

Looking for continents on exoplanets, and math is hard for mathematicians, too

Looking for continents on exoplanets, and math is hard for mathematicians, too

First up on the podcast, the best images of exoplanets right now are basically bright dots. We can’t see possible continents, potential oceans, or even varying colors. To improve our view, scientists ...

1 Jan 43min

This year’s biggest breakthrough and top news stories

This year’s biggest breakthrough and top news stories

First up on the podcast, Online News Editor David Grimm joins host Sarah Crespi to talk about this year’s best online news stories—top performers and staff picks alike. Together they journey the scien...

18 Dec 202533min

Hunting asteroids from space, and talking to pollinators with heat

Hunting asteroids from space, and talking to pollinators with heat

First up on the podcast, we’ve likely only found about half the so-called city-killer asteroids (objects more than 140 meters in diameter). Freelance science journalist Robin George Andrews joins host...

11 Dec 202527min

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