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…
Meet the oldest tree in the world!
Trees are fantastic. As well as being beautiful they give us shade to rest in, oxygen to breathe and something…
Why do we yawn?
Yawning is an interesting phenomenon. For many people it’s almost impossible to see someone yawning without doing it themselves –…
Ancient underwater volcanoes have been discovered near Sydney
When Professor Iain Suthers and his team set sail on the Investigator research vessel on the 3rd 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…