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…

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…

Do snakes poo?

This question was asked by Alexei from West Sussex, UK There are around 3000 different species of snakes in the…

What is coral bleaching?

Coral is made of many tiny organisms called polyps. These soft-bodied animals are related to jellyfish and sea anemones and…

Space lettuce!

If you want a fresh salad you might take a trip to the shop, or maybe to your allotment. But…