Lice free sex chatting

Even items like your couch (which contains fire retardant chemicals) and your dinner (which may have been caught in an unsustainable fishery) can be important. Research on the evolution of human lice has even been able to estimate when people first started wearing clothing (about 170,000 years ago)!

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While working with whales on or near the beach, she says, "Live lice would jump ship and grab onto the people around the whale." Jessie explains that the lice "will latch on with their pointy little feet.

It doesn't hurt, but it does make it harder to brush them off, kind of like ticks." Although she says they don't bother her as much as spiders, the sensation of whale lice crawling on her arms does give her the "heebie-jeebies." There are about 35 species of whale lice, most of which specialize on a specific species of whale.

While the shampoo kills the adult lice, the eggs are protected inside their shells.

The eggs are stuck to the strands of your hair, and it's necessary to spend hours painstakingly removing them with the fine-toothed comb, or even painstakingly searching your scalp and picking the nits off your hair with fingernails. Yes, fish do get lice, but they are very different from the lice you might have had in grade four.

The salmon may even see a louse and swim toward what it thinks is dinner, only to find itself with an unwanted hitchhiker.

Fish farms make it easier for the lice to find a host, because many fish are crowded into the same place.

Not only are the fish in the farm affected, but also wild fish that swim by the farm. Population histories of right whales (Cetacea: Eubalaena) inferred from mitochondrial sequence diversities and divergences of their whale lice (Amphipoda: Cyamus).

Precise timing of anti-parasite medicine can help keep the lice from infesting the farm, but the ecological effects of dumping parasite-killing chemicals into ocean are unknown.

Juvenile salmon lice hang out in areas where they can sense a boundary between fresh and salt water, like the mouths of rivers.

Since salmon are born in rivers, swim out to the sea, and then return to rivers to lay eggs, this is the most likely place to run into a salmon.

Some species of whale are especially lousy; right whales have three species, all of which prefer a specific region of whale (Cyamus ovalis sets up house on the raised calluses on the head, C. A review of the impact of parasitic copepods on marine aquaculture.

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