Qui a inventé le vélo?

World War I lasted four years and 9.5 million people died. The countries involved, like Germany and France, had to call on the soldiers of their colonies, the territories under their control located on all continents.

What is a vaccine for? This video will show you how the vaccine works in your body. Have you ever heard of polio and tuberculosis? Do you know of other diseases that vaccines have been successful in controlling? Why is it important to be vaccinated - for yourself and for others?

This video summarizes the life of Nelson Mandela. It explains how he succeeded in abolishing Apartheid and what it cost him personally.

How does computer programming work? What is coding for? It is used every day in video games, websites, apps, etc. We also learn to code at school. What will your next project be?

Why has the diet of humans changed over the centuries? What are the dangers of our current diet? What can be the consequences of junk food on our health? How can we eat well at a low cost?

1 jour 1 question answers a question asked by a child: What is the Great Barrier Reef?

1 jour 1 question answers a question asked by a child: What is cancer?

1 jour 1 question answers a question asked by a child: Who was Darwin?

1 jour 1 question answers a question asked by a child: Can animals cry?

1 jour 1 question answers a question asked by a child: Who was Anne Frank?