25.4 MB (1.9 MB compressed)
3484 x 2544 pixels
29.5 x 21.6 cm ⏐ 11.6 x 8.5 in (300dpi)
POWER AND SYRED / SCIENCE PHOTO LIBRARY POWER AND SYRED / SCIENCE PHOTO LIBRARY
Household dust. Coloured scanning electron micrograph (SEM) of a sample of household dust. Such dust comprises shed skin cells, dust mites, hairs and fabric threads, soil and earth, pollen grains, fungal spores and particles of food. Some of these substances may cause allergic reactions in susceptible people. Magnification: x112 at 6x7cm size.
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