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.