See the chemical reaction of vinegar and bicarbonate and how it affects bacteria under the microscope. After waiting years to pack up her late daughter's room, an unexpected gift emerged ...

This illustration represents a bacteria being illuminated with mid-infrared in the top left, while visible light from a microscope underneath is used to help capture the image. A team at the ...

The phenomenal new electron microscope (TIME, Dec. 14, 1942) has been taking a good long look at hitherto invisible objects. In the last two issues of the Journal of the American Medical Association, ...