Hey You What If?

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Hey You What If?

Flying like a superhero may sound like enormous fun, but there are some serious downsides that Hollywood does not tell you about - weather, extreme cold and even fizzy blood.

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Series 2
If you had a tree that could grow money, would that make you rich? Even if you wait 20 years for your tree to grow, you will probably end up no richer than you started.
Series 1
Find out why turning into a huge giant would be no fairy tale.
What would happen if there really was a lift that took you all the way up to space?
The deepest hole humankind ever dug only got one thousandth of the way through the earth. But what would happen if you kept digging?
Experience the most extraordinary ride in the universe – falling into a black hole.
Series 2
Venus has acid rain, crushing pressure, and is hotter than an oven, so it might not sound like the ideal place to live. However, up in the clouds it's almost just like home.
Imagine if we had a thermostat that could turn the world temperature down - could we fix global warming? But be careful, a few degrees too far could cause an ice age.
From cloning to 3D printing, what if we could actually make copies of ourselves?
Bugs might be annoying, but we would soon regret it if we got rid of them - all our favourite foods would disappear, and there would be dung everywhere!
Wouldn't it be cool to be able to walk through walls? From turning into a gas to quantum trickery, we discover why it wouldn't be quite as useful as you'd like.
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