0.0000007 gramsweighs onespeck of dust. It would take 4.3 million of these dusty particles to reach the size of a grape seed.
3/4 partsis the proportion of bacteria that live in ourbowelsand they have not yet been identified by scientists.
20Are thecaquitasthat produces a daydust miteand that are irritating to allergy sufferers.
100,000 bacteria per cm2has the human being in theskin surface.
1,000,000 skin cellsthey flake andfall every 40 minutes.
25 timesdecreasesThe number ofbacteriaonskinafter onescrupulous shower. When you get out of the shower, the bacterial population goes from 150,000 to 6,000. 35 per m3 is the maximum number of microbes in the air allowed in the operating room, the cleanest environment.
300 bottlesfilled with powder are exposed in theDust Museum, in Boston. They contain dusty samples collected from famous sites, from John Belushi’s shoes to Hugh Grant’s bed.
3,300 per cm3is the density ofgerms on the computer keyboardthat feed on the fragments of hair, peeling skin and other trifles that fall on its surface.
25,000 per cm3is the population ofmicrobesthat livesglued to the microphone of the phone.
100.000.000is the number of bacteria that we eliminate through thefecesevery day. Up to 70 different species of these microorganisms can be identified in the excrement. 112,000,000 bacteria expels daily a person with diarrhea. One hundred million are of the Escherichia coli species; 10 million are of the Campylobacter genus, 1 million are salmonellae, and another million are Vibrio cholerae.
1,000,000,000 germsthey hide in abath sponge.
12,000,000,000 liters of gasthey produce the intestines of all mankind daily.
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