Gravity exists because the universe is full of 'stuff' – here's how it came to be.
Some animals, such as ghost shrimps can even cope with water that is saltier than normal seawater. It's all down to evolution.
Waves occur in all sorts of places, and it's possible that waves you might see breaking at the beach are at the end of a very long journey.
All the buildings and the cars and the restaurants, and the phones and even everything that's inside of you... it all started with an exploding star, billions of years ago.
Your teeth started to grow even before you were born.
A sigh is the brain's way of stopping the tiny sacks in your lung from collapsing.
Even fridge magnets have magnetic fields approximately 200 times stronger than Earth's.
It would be difficult, but we could probably build a tower over 2,000 metres tall, which would be like ten normal skyscrapers on top of each other! This is probably not a very good idea though.
Bushfires require three key ingredients to ignite: heat, fuel and oxygen.
The diameter of the Milky Way is a billion billion kilometres.
One thing I can tell you is that a snail's bottom is right over its head.
It's hard to believe, but big storms and hurricanes are caused by tiny particles moving around in the atmosphere.
Leaves fall off trees when they aren’t doing their job any more. If there isn’t enough water, the leaf can be damaged and stop working.
Horses can stand on three legs and rest the other leg. They can change the leg they rest so that all of their legs get a chance to have a break.
Different councils and different rescue organisations can have different rules about how long they can keep animals.
There are several different science ideas around why, but the answer may have something to do with what happens when we cool down the roof of our mouth.
Spiders use different types of silk for different purposes – and not all of them are as strong as steel.
Using a sing song voice helps babies tell the difference between words like 'mummy' or 'daddy'.
We like to think that all creatures play a role in the local ecosystem. We're especially interested in insects that provide a benefit for people too. But that's not always how it is.
Pets, like guinea pigs, lead very different lives to humans – and that's why they need very different eyes, too.