What is evolution?

This question was asked by Elizabeth via Facebook.  I’ve talked about evolution before when discussing questions like ‘Who was the first…

What is lab-grown meat?

It’s a common dilemma: you love eating meat but you’re not comfortable with how the animals it comes from are…

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,…

Does space end?

This question was asked by Maisie, Mary, Thomas and Alisha from West Sussex, UK Space is big. It’s very big….

How does sugar preserve food?

This question was asked by Mary from East Sussex, UK.  Humans have used sugar to preserve food for thousands of…