Amazing Footage Shows Light Propagation Through a Soap Membrane

Dynamic Light Scattering (DLS) is a technique classically used for measuring the size of particles typically in the sub-micron region, dispersed in a liquid. The sensitivity of some modern systems is such that it can also now be used to measure the size of macromolecules in solution.

This video provides a glimpse into the world of pathology by showing how pathologists and other laboratory professionals help to diagnose patients' biopsies. This behind-the-scenes look into the University of Michigan Department of Pathology shows how tissue is prepared to be viewed under a microscope and what pathologists are looking for in order to determine a diagnosis.

There are some crazy poisons in this world of ours, and they’re often found in things you’d least expect. Here we break down the top five.