Watch the full episode here: https://youtu.be/MwK7vq5rNN4 Several volcanoes around the world are being woken up on purpose. The mission? To use volcanic eruptions to protect the Earth from global warming. In what ways could you activate a volcano? How could you do this in the safest way ...

Watch the full episode here: https://youtu.be/IE44PzFW6bU Imagine if all the Earth's oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And could the Earth ever recover from this planet-wide suffocation? What will ...

What if the Moon was more than just a lifeless rock? Under that bright light, it could be hiding an alien civilization. When did this alien life begin on the Moon? What would these lunar-dwellers breathe? And what would our neighbors look like? Transcript and sources: ...

Watch the full episode here: https://youtu.be/bD0XEE8CaVg No one can say with certainty what happens after we die. And it's the one unknown all of us will face. So what if our existence wasn't temporary? What if there was life after death? How long can your brain live after your body dies? ...

Watch the full episode here: https://youtu.be/CVef_2-i20I Did you know that a single snake bite can kill an adult elephant in just a few hours? And if you're not careful, snake venom can kill you in only 15 minutes. But that's from a venomous bite. What if the venom was already collected and ...

The immunization battle against COVID-19 continues. This time, your pet's life is at stake. Any animal's life, for that matter. And even your life could be at risk. Sooner or later, we might need to take dramatic action and vaccinate all animals on the planet. What animals should you be scared ...

To bee or not to bee, that is the question. What if bees just suddenly disappeared from the earth? Need a hint? A buzzword, pehaps? Chaos! It would be terrible! Some say that if bees just suddenly disappeared, mankind would be wiped out in 4 years... Watch more what-if scenarios: Planet ...

Watch the full episode here: https://youtu.be/tsFoxunFCT0 This is Burj Khalifa, the tallest building in the world. This masterpiece in Dubai is twice the height of the U.S.'s Empire State Building. And it's almost three times the size of the Eiffel Tower. So what if you took a tumble from the ...

Watch the full episode here: https://youtu.be/sLP9L-qJqcI For the most part, this gas giant is a mystery. So what would happen if you wanted to discover it for yourself and jumped right onto the planet? Or should we say into? Because Jupiter doesn't have a surface, just a seemingly endless ...

We're about to experience the most powerful earthquake in history, a magnitude 20. How much damage would it cause? Would it break our planet into pieces? Watch the full episode here: https://youtu.be/aGREN6-MRfA Watch more what-if scenarios: Planet Earth: http://bit.ly/YT-what-if-Earth The ...

It's a beautiful night. Just you, a bottle of wine and your partner drifting through the cosmos in a UFO. As your caress their green skin, you know that tonight's the night you're mating with an alien. But would your anatomy be compatible? How would conception take place? And what would your ...

Cut down on editing time and write more confidently with Grammarly Premium. Get 20% off Grammarly Premium by signing up at https://www.Grammarly.com/WHATIF Scientists have pieced together a pretty clear picture of what life was like on Earth thousands, even millions of years ago. If you ...