Why doesn’t plastic biodegrade?

This question was asked by Millie from Alexandroupoli, Greece. It’s hard not to be aware of the plastics issue. Public…

How do aeroplanes fly?

For millennia humans have dreamed about being able to fly and this shows in our myths and legends; there’s Icarus,…

What happened to the Schiaparelli lander?

On Wednesday 19th October the world watched with bated breath as the European Space Agency’s Schiaparelli (pronounced skap-a-RELL-ee) lander left its…

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How do plasma balls work?

This question was asked by Hollie from Plymouth, UK.  Plasma is sometimes known as the fourth state of matter; it…

What is fracking?

Fracking is a nickname for hydraulic fracturing, a controversial process used to obtain reserves of natural gas deep below Earth’s…

How do glasses improve your vision?

Some people wear glasses because they’re long-sighted (hyperopic), which means that they can see distant objects clearly but find it…