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Who Carved These Mysterious Lines in the Desert?

Who Carved These Mysterious Lines in the Desert?

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Artificial Intelligence Reveals Ancient Desert Drawings

Artificial Intelligence Reveals Ancient Desert Drawings

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Why Experts Say Permanent Daylight Saving Time is Unhealthy

Why Experts Say Permanent Daylight Saving Time is Unhealthy

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How the NFT Was Invented

How the NFT Was Invented

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The History of Crypto Goes Further Back Than You Think

The History of Crypto Goes Further Back Than You Think

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The Area of a Circle, Explained with Pizza

The Area of a Circle, Explained with Pizza

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Thought Experiment: The Infinite Hilbert's Hotel

Thought Experiment: The Infinite Hilbert's Hotel

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Oldest DNA Ever Found Reveals Secrets of the Ancient Arctic

Oldest DNA Ever Found Reveals Secrets of the Ancient Arctic

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Scientists Make Breakthrough in Nuclear Fusion

Scientists Make Breakthrough in Nuclear Fusion

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This Teen Calculates Mind-Boggling Math in Her Head

This Teen Calculates Mind-Boggling Math in Her Head

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3 Major Space Stories of 2022

3 Major Space Stories of 2022

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Astronaut Walter Cunningham on the Historic Apollo 7 Mission

Astronaut Walter Cunningham on the Historic Apollo 7 Mission

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NOVA

Divers Hunt Venomous Fish Invading Our Oceans

Without any natural predators, invasive lionfish populations grow unchecked and wreak havoc on marine ecosystems. Watch free divers hunt these poisonous fish.