A Swiss village with about 300 residents evacuated when part of a nearby mountain began to crumble. A glacier collapsed, burying the village. ABC News’ Alexis Christoforous reports on e.l.f. Beauty’s ...

Once assembled, you can use it to view common bacteria and parasites with standard glass slides. All that’s needed to make a Foldscope is a sheet of polypropylene paper with the microscope ...

The robust, double-lensed compound microscopes that superseded them have dominated microbiology ever since. Leeuwenhoek’s observations of “animalcules”, including bacteria, sperm ...