Under a microscope, the protozoan's adaptations for life in the digestive system are visible: ... These nematodes spread when an infected person defecates outside; ...

A scanning electron microscope reveals nematodes (highlighted in green) inside the spongy mesophyll of a European beech (Fagus sylvatica) leaf infected with beech leaf disease (BLD). Eggs are ...

Correction: April 26, 2023 — An earlier version of this post incorrectly described the nematodes in this article as parasitic. While some nematode species are parasitic, none of the ones in this ...

Nematodes play an astoundingly wide range of ecological roles that scientists are only beginning to understand. ... the researchers study the nematodes under a microscope and then analyze their DNA.

A baby tardigrade riding a nematode won $600 in Nikon's Small World in Motion Video Competition. Quinten Geldhof captured the video using a microscope and an iPhone. His setup cost under $1,000 ...

Unfortunately, working with live nematodes is a bit of bother because they move at about 0.1 mm per second, so they can crawl out of a microscope's field of view in less than a second.