Make a periscope

Make a periscope

Want to spy round corners without being seen?
Top 10 weirdest new species

Top 10 weirdest new species

Think we know everything about our world? Think again!
Make your own raisins

Make your own raisins

Tasty summer experiment

Chemistry cleans pennies!
Clean your pocket money

Ew, poo!
What do you know about poo?