179 | David Reich on Genetics and Ancient Humanity

179 | David Reich on Genetics and Ancient Humanity

Human beings like to divide themselves into groups, and then cooperate, socialize, and reproduce with members of their own group. But they're not very absolutist about it; groups tend to gradually (or suddenly) intermingle, as people explore, intermarry, or conquer each other. David Reich has pioneered the use of genetic data in uncovering the history of ancient humanity: what groups existed where and when, and how they interacted. The result is a picture of churning populations in constant flux, including "ghost populations" that no longer exist today.

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David Reich received his Ph.D. in zoology from the University of Oxford. He is currently a professor of genetics at Harvard Medical School. Among his awards are the Dan David Prize, the National Academy of Sciences Award in Molecular Biology, the Wiley Prize, the Darwin-Wallace Medal, and the Massry Prize. He is the author of Who We Are and How We Got Here: Ancient DNA and the New Science of the Human Past.


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80 | Jenann Ismael on Connecting Physics to the World of Experience

80 | Jenann Ismael on Connecting Physics to the World of Experience

Physics is simple; people are complicated. But even people are ultimately physical systems, made of particles and forces that follow the rules of the Core Theory. How do we bridge the gap from one kin...

20 Jan 20201h 26min

79 | Sara Imari Walker on Information and the Origin of Life

79 | Sara Imari Walker on Information and the Origin of Life

We are all alive, but "life" is something we struggle to understand. How do we distinguish a "living organism" from an emergent dynamical system like a hurricane, or a resource-consuming chemical reac...

13 Jan 20201h 23min

78 | Daniel Dennett on Minds, Patterns, and the Scientific Image

78 | Daniel Dennett on Minds, Patterns, and the Scientific Image

Wilfrid Sellars described the task of philosophy as explaining how things, in the broadest sense of term, hang together, in the broadest sense of the term. (Substitute "exploring" for "explaining" and...

6 Jan 20202h 1min

Holiday Message 2019: On Publishing Books

Holiday Message 2019: On Publishing Books

Welcome to the second annual Mindscape Holiday Message! No substantive content or deep ideas, just me talking a bit about the state of the podcast and what's on my mind. Since the big event for me in ...

22 Dec 20191h 6min

77 | Azra Raza on The Way We Should Fight Cancer

77 | Azra Raza on The Way We Should Fight Cancer

In the United States, more than one in five deaths is caused by cancer. The medical community has put enormous resources into fighting this disease, yet its causes and best treatments continue to be a...

16 Dec 20191h 22min

76 | Ned Hall on Possible Worlds and the Laws of Nature

76 | Ned Hall on Possible Worlds and the Laws of Nature

It's too easy to take laws of nature for granted. Sure, gravity is pulling us toward Earth today; but how do we know it won't be pushing us away tomorrow? We extrapolate from past experience to future...

9 Dec 20191h 25min

75 | Max Tegmark on Reality, Simulation, and the Multiverse

75 | Max Tegmark on Reality, Simulation, and the Multiverse

We've talked a lot recently about the Many Worlds of quantum mechanics. That's one kind of multiverse that physicists often contemplate. There is also the cosmological multiverse, which we talked abou...

2 Dec 20191h 11min

74 | Stephen Greenblatt on Stories, History, and Cultural Poetics

74 | Stephen Greenblatt on Stories, History, and Cultural Poetics

An infinite number of things happen; we bring structure and meaning to the world by making art and telling stories about it. Every work of literature created by human beings comes out of an historical...

25 Nov 20191h 6min

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