What are chemical reactions like in space? Neil deGrasse Tyson and Chuck Nice team up with Kate the Chemist to explore how cesium helps us tell time, the elusive quest for the periodic table’s “island of stability,” how AI is revolutionizing chemistry, and more!

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Could we create an atmospheric sun shield to halt the effects of global warming? Should we? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly are joined by climate scientist Daniele Visioni and sociologist Holly Jean Buck to explore the science and ethics of deliberately altering Earth’s climate.

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What happens when two black holes' event horizons overlap? Neil deGrasse Tyson and co-host Chuck Nice answer fan questions about higher dimensions, the north side of the magnet, the internal structure of other planets, and more.

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Could it be that another universe’s gravity is bleeding into our universe? Neil deGrasse Tyson and Chuck Nice answer grab bag questions ranging from dark matter to the end of the universe.

(Originally Aired February 8, 2021)

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Why are there different types of clouds? Neil deGrasse Tyson and comedian Chuck Nice break down things you thought you knew about twilight, how clouds are made, and why Earth’s coastlines change.

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Are plants more aware than we think? Do they have feelings? Neil deGrasse Tyson, Gary O’Reilly, and Harrison Greenbaum explore the intelligence of plants with astrobotanist Simon Gilroy. From venus flytraps to space farming, we dig deep into the secret world of plants.

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How do we detect ripples in spacetime? Neil deGrasse Tyson and comedian Harrison Greenbaum explore black hole collisions, quantum tricks, and how gravitational waves can help us uncover the early universe with MIT physicist and LIGO researcher Nergis Mavalvala.

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How likely is an asteroid to impact Earth? Neil deGrasse Tyson and Chuck Nice sit down with planetary scientist Rick Binzel, the creator of the Torino Scale, to discuss asteroid hazards, the results of the asteroid sample return, and the search for Planet 9.

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