What would you do if a black hole's accretion disk suddenly appeared in the sky?
Thanks to plate tectonics, we have mountains, oceans, earthquakes and volcanic eruptions. What if it suddenly stopped?
What if your time here on Earth wasn't limited?
What do mushrooms have to do with the survival of honey bees?
Jupiter is made of gas. There is no solid surface. What if you fell into it? Would you keep falling to the centre?
Meet the Jerboa, the fuzzy rodent T-Rex.
What if the past, present and future all exist at once?
How do you know that you're not living in a computer simulation?
What would it take to build a new, artificial planet?
Without water, everything is nothing.
Be more Aye Aye.
What would it take to become an interstellar civilization?
Would a global hyperloop network eliminate the stress and hassle of air-travel?
What if we're already part of a 3rd industrial revolution?
Your life would be VEƦɎ different if Earth was a moon of Jupiter.
Would you consider a holiday that’s out of this world?
Our five senses are the building blocks of our everyday lives. They bring us pleasure and pain, and they allow us to safely navigate the world around...
We once hunted whales to get cheap oil for lighting and lubricant for machines. What if we never did?
What would happen if the Sun went dark tomorrow?
The incredible story of the gorilla who was able to express her thoughts and feelings through sign language.
The brain is very complex. We've studied it for centuries, and we're still learning more of its secrets today. But the search for facts can sometimes...
Nature can be the source of amazing beauty, but it can also be incredibly terrifying.
If humanity crumbled on the surface, could you actually survive underground long term? How could you make sure you don't run out of food? Where would...
What if Earth's orbit ventured as far from the Sun as Pluto and as close to it as Venus?
Should we start to tinker with the human genome and alter our own biology?
Don't watch this if you fear the embarrassment of over-flowing toilets.
Some scientists hypothesize that a mysterious, gigantic 9th planet may be lurking at our solar system’s edge. Why haven't we seen it yet?
If we ever attempted to send someone through a wormhole back in time, wouldn't we already know if we succeeded or not?
What if our Moon had a twin? Seeing not just one, but two of these satellites in the night sky might be spectacular.
As ancient Arctic glaciers melt and retreat from their centuries old positions, the permafrost found near the poles is revealing secrets buried for...