Occurred on August 2023 / Mandelieu-La Napoule, France Info from Licensor: "A very small movement gets my attention when snorkeling. I was so happy to see this baby cuttlefish moving here and there so ...

A professor has a lesson in one of his mechanical engineering courses on how brittle materials like calcium carbonate behave under stress. In it, he takes a piece of chalk composed of the compound and ...