However, this isn't your garden variety "make everything bigger" microscope. We don't just take a sample in the same form it comes out of the ground. Instead, geologists make what we call "thin ...

light can pass through much of the material of the rock. Yes, see-through rocks. If that isn't cool enough, the microscopes we use to look at these thin sections utilize a very special kind of ...

The solid basalt rock is gray, the clay minerals are orange, and the bacterial cells are green spheres. Credit Suzuki et al. 2020, DOI: 10.1038/s42003-020-0860-1, CC BY 4.0 ...