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2024-04-21   Video
Black Hole Star

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Black hole stars may have been the largest stars to ever exist. They burned brighter than galaxies and were Larger than any star today or that could ever exist in the future. But besides...


2024-04-19   Video
Think Like a Scientist -- Inside Alzheimer's Disease

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[computer keyboard tapping] [music plays] [O'BRIEN:] I am fearful of the day when I put my hands on the keyboard and not know what to do. This is a painful naked story for me to tel...


2024-04-17   Video
What Would Happen If The Earth Had Two Moons

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What if our Moon had a twin? Seeing not just one, but two of these satellites in the night sky might be spectacular. But how would a second moon affect the ocean tides? This is WHAT IF, ...


2024-04-15   Video
What Would Happen If We Built an Elevator to Space

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Hold on tight, turn up the elevator music, and get ready for a whole new mode of space exploration! Forget rocket launches! We already use elevators to bring us to extreme heights in our ta...


2024-04-13   Video
How To Terraform Mars

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Mars is a disappointing hellhole lacking practically everything we need to stay alive. It looks like we’ll only ever have small crews spend a miserable time hidden underground. Except, w...


2024-04-11   Video
What Would Happen If We Sent All Our Garbage Into Space

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It might be the worst date on your weekly calendar, but it's a date you definitely don't want to stand up. Garbage Day. You tie it all up into neat plastic bags, haul it outside, and, l...


2024-04-09   Video
Will the Chesapeake Become a Dead Zone

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Narrator: Tom Weaver’s a charter boat captain. He’s been fishing these waters for more than 30 years. Tom Weaver: It's one of the best fishing spots in the world. It's one of the nicest places to liv...


2024-04-07   Video
What Would Happen If Earth’s Magnetic Poles Flipped

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What if south was north and north was south? Just like 780,000 years ago? Just like 780,000 years ago? The world didn't come to an end then. The world didn't come to an end then. But how ...


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