In June 2011, a demonstration was held in Paris to protest nuclear power. Among the demonstrators were two precocious little girls who had a lot to say on the subject. The interviewer could hardly get a word in!

Have you ever wondered what a blood platelet actually does? Find out as the Once Upon a Time... series tackles biology.

Being born premature is risky, but thanks to modern medical techniques, six out of ten babies who are born greatly premature will grow up to be perfectly healthy children.

A robot is sent into a deep ocean fault south of the Azores in the Atlantic Ocean. Its mission: to explore mineral chimneys and collect the organisms that can live there without sunlight.

Tuberculosis remains a deadly disease—affecting 10.6 million people annually and killing one person every twenty seconds. The recent development of multidrug-resistant strains of the bacteria has made TB even more threatening. Especially affected are areas without the proper means of fighting the illness. Eight countries accounted for more than two thirds of the global total: India, Indonesia, China, the Philippines, Pakistan, Nigeria, Bangladesh and the Democratic Republic of the Congo. According to the WHO, 13 billion dollars would be required to effectively combat the disease.

Billions (oui, milliards!) of birds migrate from Africa every year, and with bird flu developing rapidly, their arrival to France is closely monitored at the Marquenterre National Park. Learn how French scientists and engineers there have taken innovative measures to make it difficult for the virus to settle in the mud where the birds like to feed.

Will French dentists soon have their patients grow new teeth, instead of filling in the old ones? New techniques using restorative molecules and even stem cells (which can be found in the baby teeth of children) will go a long way toward helping people smile filling-free.

At Les Jardins de Sophia (Sophia's Gardens), a new, non-medicinal approach to treating Alzheimer's patients is giving hope to their families and being noticed by medical authorities.

In this enjoyable cartoon about the human body, you will see the taste buds in action... when they're not slacking off!

Find out what happens in the body when we eat: the roles that teeth, the tongue, and nerve impulses play. But let's not forget about umami!

Watch the blood platelets in action in this fun cartoon. Moral of the story? Always listen to your mother.

When the young platelets in this cartoon decide to have some fun and create a sort of "platelet pyramid" out of themselves, their older friend warns them that they could be causing a blood clot!

Although antibodies mainly protect against bacteria, viruses, and other foreign substances, sometimes they can also attack your own blood cells! But this cartoon explains why you don't have to worry too much about that happening.