188 | Arik Kershenbaum on What Aliens Will Be Like

188 | Arik Kershenbaum on What Aliens Will Be Like

If extraterrestrial life is out there — not just microbial slime, but big, complex, macroscopic organisms — what will they be like? Movies have trained us to think that they won't be that different at all; they'll even drink and play music at the same cafes that humans frequent. A bit of imagination, however, makes us wonder whether they won't be completely alien — we have zero data about what extraterrestrial biology could be like, so it makes sense to keep an open mind. Arik Kershenbaum argues for a judicious middle ground. He points to constraints from physics and chemistry, as well as the tendency of evolution to converge toward successful designs, as reasons to think that biologically complex aliens won't be utterly different from us after all.

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Arik Kershenbaum received his Ph.D. in Evolutionary Biology and Ecology from the University of Haifa. He is currently College Lecturer and Director of Studies at Girton College, University of Cambridge. He is the author of The Zoologist's Guide to the Galaxy: What Animals on Earth Reveal About Aliens — and Ourselves.


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62 | Michele Gelfand on Tight and Loose Societies and People

62 | Michele Gelfand on Tight and Loose Societies and People

Physicists study systems that are sufficiently simple that it's possible to find deep unifying principles applicable to all situations. In psychology or sociology that's a lot harder. But as I say at ...

2 Sep 20191h 12min

61 | Quassim Cassam on Intellectual Vices and What to Do About Them

61 | Quassim Cassam on Intellectual Vices and What to Do About Them

All of us have been wrong about things from time to time. But sometimes it was a simple, forgivable mistake, while other times we really should have been correct. Properties that systematically preven...

26 Aug 20191h 10min

60 | Lynne Kelly on Memory Palaces, Ancient and Modern

60 | Lynne Kelly on Memory Palaces, Ancient and Modern

Memory takes different forms. Memories can be encoded in the strength of neural connections in our brains, but there's a sense in which photographs and written records are memories as well. What did p...

19 Aug 20191h 15min

59 | Adam Becker on the Curious History of Quantum Mechanics

59 | Adam Becker on the Curious History of Quantum Mechanics

There are many mysteries surrounding quantum mechanics. To me, the biggest mysteries are why physicists haven't yet agreed on a complete understanding of the theory, and even more why they mostly seem...

12 Aug 20191h 40min

58 | Seth MacFarlane on Using Science Fiction to Explore Humanity

58 | Seth MacFarlane on Using Science Fiction to Explore Humanity

Fiction shines a light on the human condition by putting people into imaginary situations and envisioning what might happen. Science fiction expands this technique by considering situations in the fut...

5 Aug 20191h 12min

57 | Astra Taylor on the Promise and Challenge of Democracy

57 | Astra Taylor on the Promise and Challenge of Democracy

"Democracy may not exist, but we'll miss it when it's gone" — or so suggests the title of Astra Taylor's new book. We all know how democracy falls short, in practice, of its lofty ideals; but we can a...

29 Juli 20191h 23min

56 | Kate Adamala on Creating Synthetic Life

56 | Kate Adamala on Creating Synthetic Life

Scientists can't quite agree on how to define "life," but that hasn't stopped them from studying it, looking for it elsewhere, or even trying to create it. Kate Adamala is one of a number of scientist...

22 Juli 20191h 12min

55 | A Conversation with Rob Reid on Quantum Mechanics and Many Worlds

55 | A Conversation with Rob Reid on Quantum Mechanics and Many Worlds

As you may have heard, I have a new book coming out in September, Something Deeply Hidden: Quantum Worlds and the Emergence of Spacetime. To celebrate, we're going to have more than the usual number o...

15 Juli 20191h 26min

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