There’s a peculiarly young rock at the scale of geological times. It comes from the bowels of the Earth and is born from the volcanoes’ fury. This rock is at the root of the most emblematic landscapes, legends and significant evolutions of the animal world. This rock is basalt. We will discover it in the Giant’s Causeway, in Ireland, where they inspire artists, painters and poets. To get a better grasp of its ties with the living, we will go to France where a team of researchers has just demonstrated that life could sustain in its pores. In India, we will see how plants and gemstones find their settings in its heart. We will travel through the United States and in Auvergne, where the first men, Indians and Cowboys maintained close ties to this rock. In Iceland, finally, we will see how it can be a future source of energy.