ON September 19, 1882, I was waiting for a train at Laqueville, in the Puy-de-Dome district of France, when I noticed a very large worm in the meadow, moving very rapidly from side to side. I ...

Screwworm parasites primarily infect livestock, but human cases have risen in Central America after the pests escaped containment ...

Worm castings owe their pest control capacity to chitinase, an enzyme that breaks down chitin, an integral constituent of insect exoskeletons, fungus cell walls, and nematode eggshells.

Worm castings owe their pest control capacity to chitinase, an enzyme that breaks down chitin, an integral constituent of insect exoskeletons, fungus cell walls, and nematode eggshells. Chitin is a ...