Does sugar make children hyperactive?
It’s accepted wisdom that consuming too much sugar will make children hyperactive, and many parents will tell you of occasions…
What are genetically modified organisms?
The phrase ‘genetically modified organisms’ is used to refer to anything living that has had its genes altered in some…
What’s the difference between snow and hail?
This question was asked by Joshua from Banbury, UK. Although snow and hail are similar (they’re both cold and fall…
What would happen if you fired a gun in space?
This question was asked by Leo and Sol from West Sussex, UK. The first thing to think about is whether…
How do painkillers work?
When you injure yourself you feel pain. Imagine you’ve touched something hot and burned your hand – the damaged cells…
Is there intelligent life in our universe?
Think about it like this. There are so many stars in the observable universe that there are roughly 10,000 for…
What are gravitational waves?
In 1915 Albert Einstein predicted that when objects with an extremely dense mass collided with each other in space they…
What’s the difference between an asteroid, a comet and a meteor?
I know, it sounds like the start of a joke! But these small bodies are often confused, so I thought…
How does the Seabin work?
This question was asked by Jonah from West Sussex, UK. Next time you’re wandering around a harbour or a marina…
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…