27.0 MB (1.7 MB compressed)
3808 x 2480 pixels
32.3 x 21.1 cm ⏐ 12.7 x 8.3 in (300dpi)
POWER AND SYRED / SCIENCE PHOTO LIBRARY POWER AND SYRED / SCIENCE PHOTO LIBRARY
Light micrograph of undyed sheep wool. The hairs are abnormally thick and have an internal honeycomb structure, filled with air pockets, which makes it an excellent insulating material for both sheep and man. Magnification: x400 at 35mm size. From a Clun sheep.
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