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Have you ever thought the moon was made of cheese? Why do you think Gaëtan asks the question? Do you think this is a possibility? Explain. Listen carefully to the scientific theory related to this question in order to know the answer.

Is it true that elephants never forget anything? This is the question Lucienne asks herself. Is it possible that these land mammals absolutely never forget? Try to make assumptions before the experts answer the questions.

Dr Sait-Tout and his associate answer the following question : 'Is it true that we only use 10% of our brain?' Can you list different functions of the brain? Do you think you use more or less than 10% of your brain? Watch the video to feed your thinking and get the answer.

Another Science Fiction episode to demystify fiction from scientific truth. Today's question is asked by Hermance : 'Why does helium make my voice so sharp?' Do you know the answer? Do you think it is a good idea to breathe helium? Justify your answer before viewing.

Vincent wonders where exactly is the Internet? Is it in the sky? This mystery will be answered by our two experts on the show. Before watching the video, can you provide some ideas on where the Internet is coming from? Share these with a few people around you.

A boy from Roubaix wonders if penguins can catch a cold and get the flu. These animals that live in the Antarctic must surely be used to the cold. Plus, their fur protects them, doesn't it? Do you think animals can get colds like humans? What are your ideas on this question of the day?

The scientific question of the day is: 'Is it true that sharks never sleep?' Do sharks sleep in water? Is it possible to sleep under water? Do you think sharks can close their eyes if they're asleep? Quite a mystery to be discovered, so let's listen to what the doctor and the professor have to say about it.

Do you think ants can lift 50 times their weight? Explain your reasoning. Here is the question of the day: 'Is it true that an ant can lift fifty times its own weight?' Let’s listen to the expertise of Dr Sait-Tout and Professor Mike McCork in this regard.

Joanne from Havana wonders if yawning is contagious? Have you ever yawned right away after seeing someone else do it? Explain this situation to someone near you. Now let's hear what science reveals about this question.

The wonders of winter bring us a plethora of questions. Dimitri's is: “Are all snowflakes different?' What do you think are the possible differences and similarities when it comes to snowflakes? Have you ever watched a snowflake closely? Watch the video for the answer to Dimitri's question.

Do you know why the sky is blue? Do you think the waves have a role to play for the blue colour of the sky? Justify your point of view on the subject. Gaspard asks for scientific evidence for the following question: 'Is the sky blue because it reflects the sea?' Watch the show to increase your knowledge on the subject. …

Can animals predict earthquakes? This is the question of the day! Use your previous knowledge to try to answer this question that comes from Julie. Do you think animals have radars to detect earthquakes? Share your ideas before viewing.

Some phenomena are not science fiction, they are facts. So here is a scientific fact of a question asked by Marie-Line: 'Does a boomerang always come back?' What do you think are the scientific facts that may or may not allow a boomerang to come back? Justify your answers.

The moon has several mysteries. The doctor and the professor of this show answer the following question: 'Does the moon have a hidden face?' Do you think you see all sides of the moon? Share your scientific or fictional ideas of the question. Make sure you justify these.

Have you ever managed to tickle yourself? Is it possible? Explain. Sandra is asking herself the same question: 'Why can't we tickle ourselves?' The video explains the science behind tickling.