Exploding the Cambrian and building a DNA database for forensics

Exploding the Cambrian and building a DNA database for forensics

First, we hear from science writer Joshua Sokol about his trip to the Cambrian—well not quite. He talks with host Megan Cantwell about his travels to a remote site in the mountains of British Columbia where some of Earth’s first animals—including a mysterious, alien-looking creature—are spilling out of Canadian rocks. Also on this week’s show, host Sarah Crespi talks with James Hazel a postdoctoral research fellow at the Center for Genetic Privacy and Identity in Community Settings at Vanderbilt University in Nashville about a proposal for creating a universal forensic DNA database. He and his co-authors argue that current, invasive practices such as law enforcement subpoenaing medical records, commercial genetic profiles, and other sets of extremely detailed genetic information during criminal investigations, would be curtailed if a forensics-use-only universal database were created. This week’s episode was edited by Podigy. Read a transcript (PDF) Listen to previous podcasts. About the Science Podcast Learn more about your ad choices. Visit megaphone.fm/adchoices

Tämä jakso on lisätty Podme-palveluun avoimen RSS-syötteen kautta eikä se ole Podmen omaa tuotantoa. Siksi jakso saattaa sisältää mainontaa.

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How long can ancient DNA survive, and how much stuff do we need to escape poverty?

How long can ancient DNA survive, and how much stuff do we need to escape poverty?

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5 Loka 202335min

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Visiting utopias, fighting heat death, and making mysterious ‘dark earth’

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28 Syys 202351min

Reducing cartel violence in Mexico, and what to read and see this fall

Reducing cartel violence in Mexico, and what to read and see this fall

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21 Syys 202336min

Why cats love tuna, and powering robots with tiny explosions

Why cats love tuna, and powering robots with tiny explosions

Receptors that give our feline friends a craving for meat, and using combustion to propel insect-size robots   First up on this week’s episode, Online News Editor David Grimm joins host Sarah Crespi...

14 Syys 202333min

Extreme ocean currents from a volcano, and why it’s taking so long to wire green energy into the U.S. grid

Extreme ocean currents from a volcano, and why it’s taking so long to wire green energy into the U.S. grid

How the Tonga eruption caused some of the fastest underwater flows in history, and why many U.S. renewable energy projects are on hold     First up on this week’s show, we hear about extremely fast...

7 Syys 202333min

Reducing calculus trauma, and teaching AI to smell

Reducing calculus trauma, and teaching AI to smell

How active learning improves calculus teaching, and using machine learning to map odors in the smell space   First up on this week’s show, Laird Kramer, a professor of physics and faculty in the STE...

31 Elo 202337min

The source of solar wind, hackers and salt halt research, and a book on how institutions decide gender

The source of solar wind, hackers and salt halt research, and a book on how institutions decide gender

A close look at a coronal hole, how salt and hackers can affect science, and the latest book in our series on science, sex, and gender First up on this week’s show, determining the origin of solar wi...

24 Elo 202352min

What killed off North American megafauna, and making languages less complicated

What killed off North American megafauna, and making languages less complicated

Ancient wildfires may have doomed Southern California’s big mammals, and do insular societies have more complex languages?   First up on this week’s show, what killed off North America’s megafauna, ...

17 Elo 202348min

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