Is there intelligent life in our universe?
Think about it like this. There are so many stars in the observable universe that there are roughly 10,000 for…
Category: Biology
How do glasses improve your vision?
Some people wear glasses because they’re long-sighted (hyperopic), which means that they can see distant objects clearly but find it…
What does ‘antibiotic-resistance’ mean?
It has been known for millennia that certain kinds of fungus and mould can be helpful when treating infections and…
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…
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…
Why is too much sun bad for you and how does sunscreen work?
We all know that a tan or sunburn is a sign of damaged skin, and using sunscreen or sunblock is…
Fatness, thinness, fitness and health
Modern society seems to be obsessed with the way people look, particularly whether they’re fat, thin or in between. So…
What would happen if the people going to Mars have a baby?
This question was asked by Charlotte from West Sussex, UK. It seems likely that in the next decade or two…
What causes dark circles under the eyes?
For years cosmetics companies have sold products to prevent or conceal the dark circles many people get under their eyes….
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