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1,398,973,032 results
This is what a human might look like if it evolved to live underwater. Over the course of this episode, we're going to show you what ...
59,595 views
13 days ago
What if Jupiter was right next to the Sun? Or what if Earth switched places with Mars? Today, we're re-arranging the planets in our ...
110,215 views
2 weeks ago
How quickly would the oceans drain if a circular portal 20 meters in diameter appeared at the bottom of Challenger Deep, the ...
865,984 views
3 days ago
Millions of years ago, humans were near the bottom of the food chain. Predators, weather, and diseases all posed the threat of ...
245,683 views
4 months ago
If our Eyes became Huge in Size: We will now need huge spectacles. Ophthalmologists i.e. people who specialize in treating eye ...
1,796,075 views
1 year ago
What would happen if the Earth and all terrestrial objects suddenly stopped spinning, but the atmosphere retained its velocity?
1,203,114 views
5 months ago
Elon Musk's claim of having a million people on Mars by 2050 is just one of his many bold, yet dubious, statements about Mars.
83,719 views
1 month ago
What would happen if you tried to hit a baseball pitched at 90% the speed of light? Randall Munroe is the author of the New York ...
1,379,354 views
What/If a mysterious stranger made you an offer too extraordinary to refuse? From Revenge creator Mike Kelley, What/If stars ...
2,735,929 views
5 years ago
What if we were made of Chocolate? Firstly, Chocolates easily melt in hot temperatures, if we were made of Chocolate, everyone ...
8,161,662 views
2 years ago
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Are you ready to take a trip to the outer regions of the Solar System? To explore the weirdest planet in our cosmic neighborhood?
1,883,412 views
8 months ago
What if all Insects disappeared? You might think insects are inconsequential, but the reality is, without them, there probably would ...
420,005 views
3 years ago
If every human somehow simply disappeared from the face of the earth, how long would it be before the last artificial light source ...
2,773,826 views
3 weeks ago
What would happen if everyone on earth stood as close to each other as they could, jumped, and landed on the ground all at the ...
934,994 views
2 months ago
If all the lightning that occurs worldwide on any given day all struck the same place at once, what would happen to that place?
1,017,135 views
If you were born and raised on Mars, your body would look very different. Mars might be the best candidate for humanity's future ...
283,647 views
What if I took a swim in a typical spent nuclear fuel pool? Would I need to dive to actually experience a fatal amount of radiation?
1,120,250 views
What If… You Were Chosen? Step into the Multiverse and harness the power of the Infinity Stones in this reality-bending story ...
422,125 views
4 weeks ago
Henry Reich is the creator of MinutePhysics and executive producer of MinuteEarth and MinuteFood and founder of Neptune ...
2,180,221 views
3 months ago
Hang on because we're about to screech to a halt. That's right. The Earth is going to stop spinning for five seconds. How much ...
5,870,884 views
Official music video for "What If" from Creed's iconic second album, Human Clay (1999). Creed is celebrating the 25th anniversary ...
17,803,237 views
14 years ago
Spending 5 seconds on Mars without a helmet is NOT a good idea. But let me tell you how we got there. Ah, the red sky of Mars.
698,544 views
7 months ago
If you pointed the Hubble telescope at the Earth, what could you see? Could you read over your neighbor's shoulder? Or would it ...
1,718,019 views
6 months ago
Sixty-five million years ago, dinosaurs ruled the Earth. They dominated each time period they were in, becoming the kings of the ...
410,102 views
Imagine you're out for a routine space walk. Suddenly your helmet comes loose. But instead of suffocating, you breathe in fresh ...
633,414 views
Enter the multiverse of unlimited possibilities. Marvel Studios' first animated series, What If...?, starts streaming August 11 with new ...
17,391,823 views