For as long as humans have had lice, we’ve fought hard to get rid of them. Nit combs, the fine-tooth brushes used to remove lice and their sticky eggs, have been found among the ancient remains of cultures across the globe. Today it’s...

Lice don’t just thrive in the biomes of body hair and fur, they can also live in a place that seems like it should be bug-free: the oceans.

Agathe and David discover the secret to eliminating lice by analyzing their breathing mechanisms. After various experiments, David successfully uses a scientific method that suffocates the lice by blocking their respiratory channels....

CU sequence of Head lice feeding, shows blood inside gut, United Kingdom; SEQUENCE OF CLIPS, SPECIAL TERMS APPLY

CU sequence of Head lice feeding, shows blood inside gut, United Kingdom; SEQUENCE OF CLIPS, SPECIAL TERMS APPLY

BCU Head lice mating and feeding together, United Kingdom; SEQUENCE OF CLIPS, SPECIAL TERMS APPLY

Experiments in laboratory, microscopic shots of lice and eggs on human hair, United Kingdom

CU sequence of Head lice feeding, shows blood inside gut, United Kingdom; SEQUENCE OF CLIPS, SPECIAL TERMS APPLY

CU microscopic view of Head louse hatching, edited sequence, United Kingdom; SEQUENCE OF CLIPS, SPECIAL TERMS APPLY

BCU female head louse secreting glue and laying eggs in hair, United Kingdom

Chimpanzee (Pan troglodytes) mother and very young baby sitting in tree, another grooms baby, Sierra Leone

baby monkey in forest in South China

Insect analysis in a lab close up

Insect analysis in a lab close up

CU Head louse against black background, United Kingdom

CU microscopic view of newly laid head louse eggs, United Kingdom

Woodlouse crawling under log in Indian rainforest

Macro shot of an ant milking aphids,

BCU microscopic view of Head louse with new skin or moulting, United Kingdom

Monkeys

CU Crab louse against black background, United Kingdom

Monkeys

CU microscopic view of newly laid head louse eggs, United Kingdom

Monkeys