This new series of photographs captures the vastness of Earth in ancient rock formations, natural weathering, tiny crystals, coastlines and gems of amber. But it’s also about the traces of family ...

Join us on an exhilarating journey as we embark on a crystal hunting adventure in the picturesque mountains of Switzerland.

DURING some experiments on the coloration of rock salt by the α-rays of polonium, we noticed that the surface exposed to the rays in air become dull. Examined under the microscope, it was found to be ...