Joshua Coombes is a London hairdresser who makes a big difference to homeless people's lives. Watch the video to find out more.

If you have a Christmas tree in your home, have you thought whether it's better to have a natural tree or an artificial tree? This video could help you to decide.

October is Black History Month in the UK. Watch historian David Olusoga explain what he thinks black British history really is about.

In this video, natural scientist Janine Benyus tells us about what we've forgotten about the natural world.

Can you imagine a world without fossil fuels? In this video, former UN climate chief Christiana Figueres outlines her vision of a world that's entirely free of fossil fuels.

Washing your hands can help protect you against germs and illnesses. This video reminds us how to wash our hands effectively.

Mumsnet is a website for parents. Listen to its founder, Justine Roberts, talking about her tips for success for women in business.

Do you give your friends and family presents on special occasions? Watch this video to see how you can wrap gifts in an eco-friendly way.

London has many well-known landmarks, but it also has its hidden gems. In this video, you can learn about a garden paradise in the heart of the UK capital.

In this video, climate activists Greta Thunberg and George Monbiot tell us how we should use nature to tackle the climate crisis.

Are you adventurous when it comes to food? Watch this video about a famous Italian food – would you be brave enough to try it?

This video honours the great women of science who have changed the world forever! How many of these famous female scientists do you know about?

Game of Thrones is a TV series known for its battle scenes. In this video, watch two of the show's most popular actresses preparing to film their characters' dramatic fight...

Which information is more important to the human brain: what we see or what we feel? Watch a psychologist trying to answer this question with a simple demonstration.

What happens when three young girls meet the women doing their dream jobs? In this video, we see the importance of positive female role models.

Guy Martin is a professional motorbike racer. In this video, he tries to ride a motorbike on water. Can he ride fast enough to do it?

We usually think of fruit as a healthy food. But could it also have some negative effects?

Dolphins are much more intelligent than humans when it comes to fishing: they don’t even need a net. Watch this video to see how they do it.

The emotion of fear is essential for humans to survive. So why is it that babies have no fear of snakes?

Becoming a refugee is something that could happen to any of us. In this video, famous people from around the world talk about the importance of helping people who are escaping difficult...

In this game show, why does the host Mel get just as stressed as the contestant Lindsey? Watch and find out!

Yes, that's right – wolves can change rivers! Watch this video and find out how.

Watch five-year-old JJ describing three famous paintings to professional art critics. Can the experts guess the paintings correctly?

Orang-utans use sticks to catch insects, but do you think they would use human tools? Watch this video and find out!

Can elephants learn to work together to complete a task that they cannot achieve on their own?

In this video, Italian astronaut Samantha Cristoforetti tells us about the healthy snacks that she eats in the spaceship.