Putting the man-hunter and woman-gatherer myth to the sword, and the electron's dipole moment gets closer to zero

Putting the man-hunter and woman-gatherer myth to the sword, and the electron's dipole moment gets closer to zero

Worldwide survey kills the myth of “Man the Hunter,” and tightly constraining the electric dipole moment of the electron First up this week on the show, freelance science writer Bridget Alex joins host Sarah Crespi to discuss busting the long-standing myth that in our deep past, virtually all hunters were men and women tended to be gatherers. It turns out women hunt in the vast majority of foraging societies, upending old stereotypes. After that, we learn about a hunt for zero. Tanya Roussy, a recent Ph.D. graduate in quantum physics from the University of Colorado, Boulder, discusses her work trying to constrain the electric dipole moment of the electron. She also talks about why the dipole moment being zero could be just as interesting as not zero to people studying the big mysteries of the universe—such as why matter and antimatter didn’t wipe each other out at the beginning of the universe. Read a related commentary. This week’s episode was produced with help from Podigy. About the Science Podcast Authors: Sarah Crespi; Bridget Alex Episode page: https://www.science.org/doi/10.1126/science.adj5600 Learn more about your ad choices. Visit megaphone.fm/adchoices

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Episoder(641)

Resolving the dispute over the speed of the expanding universe, and seeking new drug targets for cognitive dysfunction

Resolving the dispute over the speed of the expanding universe, and seeking new drug targets for cognitive dysfunction

First up on the podcast, a new path to calculating the Hubble constant. This value for the universe’s speed of expansion is typically determined in one of two ways, one favored by cosmologists, the ot...

2 Apr 33min

Resurrection plants, Project Hail Mary, and the trouble with sycophantic AI

Resurrection plants, Project Hail Mary, and the trouble with sycophantic AI

First up on the podcast, Deputy News Editor Martin Enserink talks about so-called resurrection plants. These specialized plants can survive up to 95% water loss, whereas most plants struggle when thei...

26 Mar 36min

Rethinking the peopling of the Americas, and the best ways to get groundwater back

Rethinking the peopling of the Americas, and the best ways to get groundwater back

First up on the podcast, we discuss a finding that’s likely to reignite debate over how humans first spread through the Americas. In the late 1990s, a site in southern Chile called Monte Verde forced ...

19 Mar 33min

What Alaska’s eroding coastline says about Earth’s future, and how Yellowstone ravens use their smarts to find wolf kills

What Alaska’s eroding coastline says about Earth’s future, and how Yellowstone ravens use their smarts to find wolf kills

First up on the podcast, freelance journalist Evan Howell traveled to Cape Blossom, Alaska, where the receding coastline has revealed an ancient trove of glacial ice that may have survived for 350,000...

12 Mar 42min

An alleged nuclear blast may reignite weapons testing, and who owns the Moon

An alleged nuclear blast may reignite weapons testing, and who owns the Moon

First up on the podcast, a peek into the roiling seas of U.S. science policy. ScienceInsider Editor Jocelyn Kaiser talks about shifting leadership at the National Science Foundation and the Cente...

5 Mar 38min

Tropical birds’ ‘silent spring,’ and mapping people’s brains during surgery

Tropical birds’ ‘silent spring,’ and mapping people’s brains during surgery

First up on the podcast, producer Meagan Cantwell talks to Contributing Correspondent Warren Cornwall about his visit to Brazil, where he observed firsthand what it takes for researchers to understand...

26 Feb 32min

Matching sounds to shapes, and stories from the AAAS annual meeting

Matching sounds to shapes, and stories from the AAAS annual meeting

First up on the podcast, Newsletter Editor Christie Wilcox, Associate Online News Editor Michael Greshko, and intern Perri Thaler share their experiences from the AAAS annual meeting in Phoenix. Chri...

19 Feb 41min

Building better working dogs, and watching a black hole form

Building better working dogs, and watching a black hole form

First up on the podcast, more than half of all dogs going through service animal training don’t make it to graduation. Producer Kevin McLean journeys with Online News Editor David Grimm to Canine Comp...

12 Feb 34min

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