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.


Jaksot(416)

23 | Lisa Aziz-Zadeh on Embodied Cognition, Mirror Neurons, and Empathy

23 | Lisa Aziz-Zadeh on Embodied Cognition, Mirror Neurons, and Empathy

Brains are important things; they're where thinking happens. Or are they? The theory of "embodied cognition" posits that it's better to think of thinking as something that takes place in the body as a...

19 Marras 20181h 7min

22 | Joe Walston on Conservation, Urbanization, and the Way We Live on Earth

22 | Joe Walston on Conservation, Urbanization, and the Way We Live on Earth

There's no question that human activity is causing enormous changes on our planet's environment, from deforestation to mass extinction to climate change. But perhaps there is a tiny cause for optimism...

12 Marras 20181h 28min

21 | Alex Rosenberg on Naturalism, History, and Theory of Mind

21 | Alex Rosenberg on Naturalism, History, and Theory of Mind

We humans love to tell ourselves stories about why things happened the way they did; if the stories are sufficiently serious, we label this activity "history." Part of getting history right is simply ...

5 Marras 20181h 20min

20 | Scott Derrickson on Cinema, Blockbusters, Horror, and Mystery

20 | Scott Derrickson on Cinema, Blockbusters, Horror, and Mystery

Special Halloween edition? Scott Derrickson is a film-lover first and a director second, but he's been quite successful at the latter -- you may know him as the director and co-writer of Marvel's Doct...

29 Loka 20181h 23min

19 | Tyler Cowen on Maximizing Growth and Thinking for the Future

19 | Tyler Cowen on Maximizing Growth and Thinking for the Future

Economics, like other sciences (social and otherwise), is about what the world does; but it's natural for economists to occasionally wander out into the question of what we should do as we live in the...

22 Loka 201859min

18 | Clifford Johnson on What's So Great About Superstring Theory

18 | Clifford Johnson on What's So Great About Superstring Theory

String theory is a speculative and highly technical proposal for uniting the known forces of nature, including gravity, under a single quantum-mechanical framework. This doesn't seem like a recipe for...

15 Loka 20181h 12min

17 | Annalee Newitz on Science, Fiction, Economics, and Neurosis

17 | Annalee Newitz on Science, Fiction, Economics, and Neurosis

The job of science fiction isn't to predict the future; it's to tell interesting stories in an imaginative setting, exploring the implications of different ways the world could be different from our a...

8 Loka 20181h 11min

16 | Coleen Murphy on Aging, Biology, and the Future

16 | Coleen Murphy on Aging, Biology, and the Future

Aging -- everybody does it, very few people actually do something about it. Coleen Murphy is an exception. In her laboratory at Princeton, she and her team study aging in the famous C. Elegans roundwo...

1 Loka 20181h 4min

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