View the top three winners of this year’s Nikon Small World in Motion Competition.

The parasite that causes malaria has evolved to evade many of the drugs that researchers have developed to fight the tropical disease.

James Kirkham Ramsbottom saved Britain’s daffodil industry from a devastating parasite, only to be forgotten.

Selected Images of the Day from the-scientist.com

The presence of aromatic greens in with other building materials increased the time birds sat on their eggs, improving the health of the hatchlings.

Certain lemurs in the forests of Madagascar eat millipedes to protect themselves from parasitic infections of the gut.

Cuckoo catfish trick cichlids into caring for their eggs in a strategy known as brood parasitism.

Parasitoid wasps inoculate other insects with their eggs, and their offspring then grow to feed on their "homes," effectively sucking the life out of their dying hosts.

When it comes to thwarting roundworms, scientists find that combining four antiparasitic drugs in smaller doses packs a greater punch than the four drugs alone.