Rainbow-colored minerals, pine cone-shaped animals called foraminifera, and spiky remnants of sea sponges form a kaleidoscope when seafloor sediment samples are swabbed on a glass slide and viewed through a microscope. A purple polarizing filter helps WHOI scientists clearly identify each speck of organic and inorganic materials found in cores, which provide clues to Earth?s evolution and climate in the past.
Read the article » (Sample provided by Ellen Roosen, Woods Hole Oceanographic Institution; Photo by Tom Kleindinst, Woods Hole Oceanographic Institution)
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