We can see objects as small as 0.1 millimeters, and that means we can just about see these lice eggs in our hair and tiny single-celled organisms like amoeba. But it's possible to see things much ...

For centuries, biological imaging was myopic; visualization stopped at about 10 μm of tissue depth. Detailed observation of tissue came with a death sentence for the tissue (fixation) so that it could ...

Confocal microscopy is a specialized fluorescence imaging technique that scientists use to acquire images at greater resolution than conventional microscopy. 1 In addition to scanning the lateral x ...

Water scarcity is projected to intensify across many major agricultural regions in the coming decades. According to the World Resources Institute, by 2040 more than one third of global cropland is ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. The new microscope uses a 405 nm laser—the same wavelength ...

A microscope is a scientific instrument used to magnify small objects so they can be seen larger than life. The simplest microscope is a single lens called a magnifying glass. The larger, more ...