A light-powered microscope has a resolution limit of around 200 nanometers—which makes observing specimens smaller or closer together than that all but impossible. Engineers at the University of ...

Wesley R. Coe, professor of zoology at Yale during the early 20th century, devoted his career to studying ribbon worms — a group of mostly marine-dwelling creatures that includes more than 1,000 known ...

This protocol outlines a procedure for collecting and analyzing point spread functions (PSFs). It describes how to prepare fluorescent microsphere samples, set up a confocal microscope to properly ...