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Particles of Thought

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Astronomy Science

Latest episode

43 episodes

The Fish That Could Walk | Sean B. Carrol
04/15/2026 | 1 mins.
How did animals first make the giant step from water to land? Evolutionary biologist Sean B. Carroll explains how the discovery of Tiktaalik—a fossil with both fish and limb-like features—revealed a key moment in evolution.
For more, check out the extended interview with Sean B. Carroll.
Learn more about NOVA and subscribe to our YouTube channel.
How Close Can You Safely Get to a Black Hole? | Janna Levin
04/08/2026 | 1 mins.
Black holes aren’t the cosmic monsters Hollywood makes them out to be. Astrophysicist Janna Levin explains why they’re so hard to detect, why they’re not as destructive as you might assume, and how you could safely orbit much closer than you think.
For more, check out the extended interview with Janna Levin.
Learn more about NOVA and subscribe to our YouTube channel.
A New Law of Nature? | Robert Hazen & Michael Wong
04/01/2026 | 2 mins.
Could the universe be governed by a law we haven’t discovered yet? Mineralogist Robert Hazen and astrobiologist Michael Wong propose a new rule—the law of increasing functional information—to explain why complex systems evolve and why complexity keeps emerging over time.
For more, check out the extended interview with Robert Hazen and Michael Wong.
Learn more about NOVA and subscribe to our YouTube channel.
AI Is Coming for Blue Collar Jobs | Hany Farid
03/25/2026 | 1 mins.
AI isn’t just coming for office jobs—it’s coming for some hands-on blue collar professions, too. AI expert Hany Farid explains which jobs are safe, and which are at risk.
For more, check out the extended interview with Hany Farid.
Learn more about NOVA and subscribe to our YouTube channel.
What Species Can We De-Extinct? | Beth Shapiro
03/18/2026 | 1 mins.
Scientists claimed in 2024 that they "de-extincted" the dire wolf… so what’s next, and what determines whether a species can be brought back? Evolutionary biologist Beth Shapiro explains some of the factors that go into deciding what to try and bring back.
For more, check out the extended interview with Beth Shapiro.
Learn more about NOVA and subscribe to our YouTube channel.

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About Particles of Thought

Particles of Thought from the producers of NOVA unleashes the universe's biggest questions through the lens of astrophysicist Hakeem Oluseyi and the world's most brilliant scientific minds. Should we resurrect extinct species? Are we blind to a fundamental force of nature? What secrets do ancient fossils reveal about humanity's destiny? Across 10 mind-bending episodes, each conversation dives deep into the discoveries that shatter assumptions, spark wonder, and completely transform how you understand reality. Learn more about NOVA and subscribe to our YouTube channel.

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Astronomy Science