88 | Neil Shubin on Evolution, Genes, and Dramatic Transitions

88 | Neil Shubin on Evolution, Genes, and Dramatic Transitions

"What good is half a wing?" That's the rhetorical question often asked by people who have trouble accepting Darwin's theory of evolution by natural selection. Of course it's a very answerable question, but figuring out what exactly the answer is leads us to some fascinating biology. Neil Shubin should know: he is the co-discoverer of Tiktaalik Roseae, an ancient species of fish that was in the process of learning to walk and breathe on land. We talk about how these major transitions happen — typically when evolution finds a way to re-purpose existing organs into new roles — and how we can learn about them by studying living creatures and the information contained in their genomes.

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Neil Shubin received his Ph.D. in organismic and evolutionary biology from Harvard University. He is currently the the Robert Bensley Distinguished Service Professor and Associate Dean of Biological Sciences at the University of Chicago. He is a member of the National Academy of Sciences and the American Philosophical society. His first book, Your Inner Fish, was chosen by the National Academy of Sciences as the best science book of 2009, and was subsequently made into a TV special. His new book is Some Assembly Required: Decoding Four Billion Years of Life, from Ancient Fossils to DNA.


Avsnitt(417)

316 | Niayesh Afshordi and Phil Halper

316 | Niayesh Afshordi and Phil Halper

Einstein's general theory of relativity, plus some reasonable assumptions about the universe and what it's made of, has a remarkable implication: that as we trace cosmic evolution into the far past, w...

26 Maj 20251h 28min

315 | Branden Fitelson on the Logic and Use of Probability

315 | Branden Fitelson on the Logic and Use of Probability

Every time you see an apple spontaneously break away from a tree, it falls downward. You therefore claim that there is a law of physics: apples fall downward from trees. But how can you really know? A...

19 Maj 20251h 28min

314 | Karen Lloyd on the Deep Underground Biosphere

314 | Karen Lloyd on the Deep Underground Biosphere

There are living creatures dwelling deep below the surface of the Earth, as deep as we are able to drill. These hearty microorganisms are related to more familiar life forms on land and under water, b...

12 Maj 20251h 9min

313 | Eric Topol on the Changing Face of Medicine and Aging

313 | Eric Topol on the Changing Face of Medicine and Aging

Medical science is advancing at an astonishing rate. Today we talk with leading expert Eric Topol about two aspects of this story. First, the use of artificial intelligence in medicine, especially in ...

5 Maj 20251h 12min

AMA | May 2025

AMA | May 2025

Welcome to the May 2025 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patreon...

28 Apr 20253h 38min

312 | Thomas Levenson on the Mutual History of Humans and Germs

312 | Thomas Levenson on the Mutual History of Humans and Germs

The germ theory of disease is a crowning achievement of science, up there with modern physics, continental drift, and evolution via natural selection. (Even if there will always be cranky skeptics.) B...

21 Apr 20251h 31min

311 | Annaka Harris on Whether Consciousness is Fundamental

311 | Annaka Harris on Whether Consciousness is Fundamental

Questions about consciousness range from the precise and empirical -- what neurons fire when I have some particular experience -- to the deeply profound -- does consciousness emerge from matter, or do...

14 Apr 20251h 10min

AMA | April 2025

AMA | April 2025

Welcome to the April 2025 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patre...

7 Apr 20253h 30min

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