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…
What does ‘antibiotic-resistance’ mean?
It has been known for millennia that certain kinds of fungus and mould can be helpful when treating infections and…
What would happen if the Earth stopped spinning?
This question was asked by Ana from Aracena, Spain. Many people think that if the Earth stopped spinning there would…
Why does ice float?
This question was asked by Jacqui from West Sussex, UK. If you drop an ice cube into a glass of…
What is the Goldilocks zone?
Most children know the story of Goldilocks and the Three Bears; a little girl breaks into a house, finds fault…
What are sinkholes and why do they happen?
This question was asked by John from Leeds, UK Sinkholes are very deep holes that appear in the ground without…