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The head louse (Pediculus humanus capitis) is an obligate ectoparasite of humans. [1] Head lice are wingless insects that spend their entire lives on the human scalp and feed exclusively on human blood . [ 1 ]
Diatomite rock sample from Sisquoc Formation Scanning electron micrograph of diatomaceous earth. Diatomaceous earth (/ ËŒ d aɪ. É™ t É™ ˈ m eɪ ʃ É™ s / DY-É™-tÉ™-MAY-shÉ™s), also known as diatomite (/ d aɪ ˈ æ t É™ m aɪ t / dy-AT-É™-myte), celite, or kieselguhr, is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder.
Diatomaceous earth filtration is a special filtration process that removes particles from liquids as it passes through a layer of fossilized remains of microscopic water organism called diatoms. These diatoms are mined from diatomite deposits which are located along the Earth's surface as they have accumulated in sediment of open and moving ...
The itchiness, irritation, and the incessant scratching caused by the small bugs on your scalp and hair make head lice a nuisance at best and at worst, well—they’re the worst. Head lice feed ...
Additionally, the DNA differences between head lice and body lice provide corroborating evidence that humans used clothing between 80,000 and 170,000 years ago, before leaving Africa. [34] Human head and body lice occupy distinct ecological zones: head lice live and feed on the scalp, while body lice live on clothing and feed on the body.
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