It's a surprisingly common question. Here's what you need to know.
Young readers ask: How did our moon get its name?
For most of the Victorian era, people thought it was normal for men and women to be treated differently, and judged by different standards.
Language can express some of the results of our thinking, but it's not the thinking itself.
The simple experiment of throwing a rock into water actually reveals some fundamental rules of physics.
A scientist explains how the brain works, for younger readers.
Your brain balances messages coming from lots of different places to help you see, imagine, remember and dream.
In the face of the climate crisis, a lot of young people are experiencing eco-anxiety – here, a psychotherapist explains how to cope.
The salt in the sea has built up over billions of years – but it wouldn't have got there without freshwater rivers and streams.
Light bulbs can turn electricity into light (and a bit of heat) – an expert explains how they do it.
Kepler-452b is sometimes called 'Earth 2.0', but there's a lot we still don't know about it.
From media coverage to story books, children are consistently represented as prophets or puppets in the midst of climate emergency. It's time for that to change.
Authorities are struggling to deal with the unimaginable scale of online abuse – and young people are suffering as a result.
Those little nuggets in your nose are actually a sign your body is working to protect you.
Scientists from all over the world agree that the impacts of climate change will get worse, unless action is taken now.
A battery's power comes from a chemical reaction that happens inside the cell.
Fish that live in the sea have found amazing ways to control the amount of water and salt in their bodies, and stay hydrated.
In Nordic and Latin American countries, education systems promote well-being and resilience. The UK still has a lot to learn.
The body tries to plug a wound quickly to stop germs getting in through broken skin and making you sick. But behind the scenes, your blood is working hard to repair a wound.
Mobile phones and tablets are basically mini computers – and to a computer, everything is a number.