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At a pace of about 1,500 units per second, 300 million per day, and a lifetime production of up to a trillion sperm cells, spermatogenesis is a marvel of abundance.—Annalisa Merelli, STAT, 19 Feb. 2026 Around the same time, in an article published in Developmental Cell in 2018, Rando’s team reported the use of biochemical techniques to characterize where and when RNAs are packaged into sperm cells and how those RNAs might change during this process.—Ivan Amato, Quanta Magazine, 22 Dec. 2025 Researchers from the Wellcome Sanger Institute have identified how harmful genetic changes in sperm cells can become far more common as men age.—Health Reporter, MSNBC Newsweek, 9 Oct. 2025 In 2003, DNA tests of skin cells found under Douglas’ nails were linked to sperm cells found in the underwear Lindsay had been wearing the night she was killed.—Nate Gartrell, Mercury News, 29 Sep. 2025 See All Example Sentences for sperm cell