From fluffy crabs that wear sea sponge hats to worms that glow in the dark, scientists are constantly finding amazing new life forms in the ocean.

Rubbish can be reused or recycled – or it may end up in a dumpsite.

Some rocks will burn, and others will melt, depending on how they were formed and what minerals they contain.

As they shape the Earth, volcanoes inspire and terrify humans.

Each rainbow is personal – the rainbow you see isn’t exactly the same rainbow the next person sees. It’s all in the eye of the beholder.

Even fake guns can be dangerous if they are mistaken for real ones by the police or other armed adults.

Your experience of time is relative because it depends on motion – more specifically, your speed and acceleration.

Almost everybody uses the internet just about every day. But do you really know what the internet is?

Humans generate a lot of trash, but there are cheaper and safer ways to handle it than loading it on rockets.

The idea of a creature like the Loch Ness monster fascinates people. But does the scientific evidence say it’s a prehistoric beast or total fake?