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 glow sticks work?

This question was asked by Aston from West Sussex, UK. Glow sticks are a great favourite around this time of…

Are there really dead wasps inside figs?

There’s been a lot of conversation online recently about whether figs contain wasp corpses, which would make them neither vegetarian…

How are balloons made?

This question was asked by Lowe from West Sussex, UK.  Balloons have been around for a lot longer than you…

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…