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.
Have you ever walked into a room and realised you can’t remember what you were looking for? We tend to do this more when we are thinking of a few things at once or doing two things at the same time.
It helps if you imagine the ground here on Earth as a big heater. It keeps us warm, and if you move away from the heater you feel cold.
You could jump much higher on the moon than you can on Earth – but you'd be in no danger of shooting off into space.
A young athlete's support network is key to their development and performance, according to sports psychologists.
Having different coloured eyes is quite unusual, but it happens in many species throughout the animal kingdom.
Emperor penguins have a few hidden tricks to stay warm, like blood vessels in the nose arranged so they can regain most of the heat that would be lost by breathing.
The relationship between street slang used by young people and secret codes deployed by gang members is not always straightforward.
New research looked closely at the lives of thousands of 14 year olds to discover that fewer are having oral sex and intercourse than previous generations.
Being double jointed doesn't mean you have an extra joint – an expert in biomechanics explains what makes some people doubly bendy.
An expert explains all the wonderful ways the atmosphere protects life on Earth.
As strange as it sounds, rocks are made from stardust.
A scientist explains how global warming is affecting the entire world – from the mountains, to the sea.
An expert responds to a teenager who wants to know – is there any hope for humanity's future?
Gravity exists because the universe is full of 'stuff' – here's how it came to be.
Gentrification happens when attempts to build bridges between disenfranchised people and their better-off peers go awry – but it doesn't have to be this way.