By Michael Le Page The site of sperm production, as shown in a coloured scanning electron micrograph imageSTEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY The first reliable way of isolating sperm stem cells from the testes and growing them outside the body could help infertile men have genetic children of their own. A few teams have…
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One afternoon in late 2024, a sixth-grader nicknamed Bug came home from school with an announcement to make. Bug, who was assigned female at birth, told his parents he was a boy — and would be using he/him pronouns. “OK, cool,” his mother, J, remembered saying. (J asked to be identified by only her first
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