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Particles of Thought
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What Exactly Is a Law of Nature? | Robert Hazen & Michael Wong

3 min•11 februari 2026

What’s the difference between a fact, a law, and a theory? Mineralogist Robert Hazen and astrobiologist Michael Wong unpack the hierarchy of scientific ideas and reveal how laws of nature elegantly unify the universe.

For more, check out the extended interview with Robert Hazen and Michael Wong.

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Why Dark Matter Matters
•28 min
How Many Leaves Are on a Tree? | Kirk Johnson
•2 min
The Air You Breathe Is Bacteria Poop | Peter Girguis
•1 min
The Fish That Could Walk | Sean B. Carrol
•2 min
How Close Can You Safely Get to a Black Hole? | Janna Levin
•2 min
A New Law of Nature? | Robert Hazen & Michael Wong
•3 min
AI Is Coming for Blue Collar Jobs | Hany Farid
•2 min
What Species Can We De-Extinct? | Beth Shapiro
•2 min
Were Dinosaurs Able to Sing? | Erich Jarvis
•1 min
Space-Time Expansion, Explained | Adam Riess
•2 min

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