Why is there gravity on Earth but not in space?
This question was asked by Joseph from Plymouth, UK. Although gravity has always existed on Earth, it wasn’t until the…
What really happens when a caterpillar turns into a butterfly?
We all know the life story of a butterfly; the egg hatches into a caterpillar, which then encases itself in…
The science of cake
Baking’s great – you combine a few ingredients, add heat and end up with something tasty. But did you know…
Why do bubbles form in a glass of water that’s been left for a while?
This question was asked by Lucy from Taunton, UK. You may have noticed that if you leave a glass of…
Why is the moon sometimes visible during the day?
This question was asked by Lily from Gravesend, UK. When we’re small children we learn that the Sun is visible…
Why doesn’t superglue stick to the inside of the tube?
Superglue is a particular type of glue known as a cyano-acrylate, or an acrylic resin. The substance was initially discovered…
What are silverfish?
The silverfish is a small insect usually less than 25mm in length. Both its names are strikingly descriptive; its Latin name, Lepisma…
Do bees die after they sting you?
There are over 25,000 different species of bee in the world, including 245 in the UK, and it’s a common…
Why are tattoos permanent?
I bet you know someone with a tattoo. You may even have one yourself. Humans have been tattooing themselves and…
How does local anaesthetic work?
This question was asked by Albatross class at Swiss Gardens Primary School, Shoreham, UK. ‘Anaesthetic’ (pronounced ann-ass-thet-ik) comes from a Greek…