Today, amateur researchers can help to track endangered animals, record weather events ... and I wanted to understand the formation of calcium carbonate — a compound found in natural materials ...

Now, like lobsters, these animals have hard exoskeletons made of calcium carbonate, which you normally wouldn't find down here, more than 10,000 meters down. Because once you pass 4,500 meters or ...

To come up with the 40,000-year date for the painting of the animal, Dr Aubert and colleagues used scientific dating techniques on calcium carbonate deposits close to the image. The researchers ...