A beekeeper in La Roche-sur-Yon has found the perfect place for his apiary: the rooftop of a supermarket. It's a win-win situation: the store manager helps the beekeeper with his production in return for a steady supply of local honey.

In part seven of this episode on the ecosystems, the young students are on a field trip (a marsh trip to be exact), where they witness firsthand the destruction of this precious ecosystem. But this is not a new phenomenon: once upon a time in Polynesia...

It’s common to see photos of celebrities aged forty and up happily pregnant or pushing a pram. But according to most doctors, a woman’s chances of conceiving drop dramatically after age thirty-eight or so. Of course there are exceptions. Modern medical fertility treatments allowed a sixty-six-year-old Romanian woman to give birth to twins in 2005. But unless we’re willing and able to procure such treatments, which can be financially, emotionally, and physically draining, those who want to wait until their forties to have kids will have to take their chances.