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2024-05-27   Video
What Would Happen If Our Sun Became a Black Dwarf

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What if instead of shining brightly for another 5 billion years, the only star in our Solar System turned into a dark and cold remnant? A black dwarf. This is WHAT IF, and here's what wo...


2024-05-25   Video
The Black Hole That Kills Galaxies - Quasars

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The universe looks like a vast empty ocean sprinkled with the rare islands of galaxies. But this is an illusion. Just a small fraction of all atoms are found in galaxies, while the rest ...


2024-05-21   Video
What Would Happen If the World Lost Oxygen for Five Seconds

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Imagine if all the Earth's oxygen disappeared. Not forever, just for say, 5 seconds? This is WHAT IF, and here's what would happen if the world lost oxygen for just 5 seconds. Take a ni...


2024-05-19   Intermediate
Close Shave for Bill Nye the Science Guy, Part Two

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Steve Mirsky: Didn’t he fly right through the sun to clean his suit? Bill Nye: Yes. Or maybe just to corona mass discharge. So if he can do that, what the heck, he comes out as ...


2024-05-19   Video
Your Body Killed Cancer 5 Minutes Ago

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Somewhere in your body, your immune system just quietly killed one of your own cells, stopping it from becoming cancer, and saving your life. It does that all the time. The vast majority...


2024-05-17   Intermediate
Close Shave for Bill Nye the Science Guy, Part One

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Bill Nye: The other strange thing or surprising thing about many grinding operations is it’s the hard thing that breaks off and the substrate, that which holds in this case the whiskers,...


2024-05-15   Intermediate
Adam Rutherford's Creation Science, Part Eight

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Adam Rutherford: So much, much harder than we thought it was going to be. So, you know, we're doing this stuff, but it still, still really hard. And the second thing is the bug that the ended up...


2024-05-15   Video
What Would Happen If Time Is an Illusion

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How do you distinguish between past present and future? Is there really an order to time? Does it only move forward? Does it move in any direction at all? Stop the clock, abandon all assumpti...


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