Animals that don’t need people to be domesticated; the astonishing spread of false news; and links between gender, sexual orientation, and speech

Animals that don’t need people to be domesticated; the astonishing spread of false news; and links between gender, sexual orientation, and speech

Did people domesticate animals? Or did they domesticate themselves? Online News Editor David Grimm talks with Sarah Crespi about a recent study that looked at self-domesticating mice. If they could go it alone, could cats or dogs have done the same in the distant past? Next, Sinan Aral of the Massachusetts Institute of Technology in Cambridge joins Sarah to discuss his work on true and false rumor cascades across all of Twitter, since its inception. He finds that false news travels further, deeper, and faster than true news, regardless of the source of the tweet, the kind of news it was, or whether bots were involved. In a bonus segment recording during a live podcasting event at the AAAS Annual Meeting in Austin, Sarah first speaks with Ben Munson of the University of Minnesota in Minneapolis about markers of gender and sexual orientation in spoken language and then Adrienne Hancock of The George Washington University in Washington, D.C., talks about using what we know about gender and communication to help transgender women change their speech and communication style. Live recordings sessions at the AAAS meeting were supported by funds from the European Commission. This week’s episode was edited by Podigy. Listen to previous podcasts. [Image: Rudolf Jakkel (CC0); Music: Jeffrey Cook] Learn more about your ad choices. Visit megaphone.fm/adchoices

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New treatments for deadly snake bites, and a fusion company that wants to get in the medical isotopes game

New treatments for deadly snake bites, and a fusion company that wants to get in the medical isotopes game

First up this week, Staff Writer Adrian Cho talks with host Sarah Crespi about a fusion company that isn’t aiming for net energy. Instead, it’s looking to sell off the high-energy neutrons from its fu...

18 Heinä 202430min

How rat poison endangers wildlife, and using sound to track animal populations

How rat poison endangers wildlife, and using sound to track animal populations

Rodenticides are building up inside unintended targets, including birds, mammals, and insects; and bringing bioacoustics and artificial intelligence together for ecology First up this week, producer ...

11 Heinä 202434min

What’s new in the world of synthetic blood, and how a bacterium evolves into a killer

What’s new in the world of synthetic blood, and how a bacterium evolves into a killer

First up this week, guest host Kevin McLean talks to freelance writer Andrew Zaleski about recent advancements in the world of synthetic blood. They discuss some of the failed attempts over the past c...

4 Heinä 202431min

Targeting crop pests with RNA, the legacy of temporary streams, and the future of money

Targeting crop pests with RNA, the legacy of temporary streams, and the future of money

Guest host Meagan Cantwell talks to Staff Writer Erik Stokstad about a new weapon against crop-destroying beetles. By making pesticides using RNA, farmers can target pests and their close relatives, l...

27 Kesä 202449min

The hunt for habitable exoplanets, and how a warming world could intensify urban air pollution

The hunt for habitable exoplanets, and how a warming world could intensify urban air pollution

On this week’s show: Scientists are expanding the hunt for habitable exoplanets to bigger worlds, and why improvements in air quality have stagnated in Los Angeles, especially during summer, despite c...

20 Kesä 202432min

How dogs’ health reflects our own, and what ancient DNA can reveal about human sacrifice

How dogs’ health reflects our own, and what ancient DNA can reveal about human sacrifice

On this week’s show: Companion animals such as dogs occupy the same environment we do, which can make them good sentinels for human health, and DNA gives clues to ancient Maya rituals and malaria’s gl...

13 Kesä 202441min

Putting mysterious cellular structures to use, and when brown fat started to warm us up

Putting mysterious cellular structures to use, and when brown fat started to warm us up

Despite not having a known function, cellular “vaults” are on the verge of being harnessed for all kinds of applications, and looking at the evolution of brown fat into a heat-generating organ   First...

6 Kesä 202437min

Restoring sight to blind kids, making babies without a womb, and challenging the benefits of clinical trials

Restoring sight to blind kids, making babies without a womb, and challenging the benefits of clinical trials

Studying color vision in with children who gain sight later in life, joining a cancer trial doesn’t improve survival odds, and the first in our books series this year First on this week’s show, Staff...

30 Touko 202444min

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