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Scientists are closing in on a way to help young boys undergoing cancer treatment preserve their future fertility — and the proof is the first monkey born from the experimental technology. More and more people are surviving childhood cancer, but nearly 1 in 3 will be left infertile from the chemotherapy or radiation that helped save their life. (3/21)

Susan Taymans, program director of the fertility and infertility branch of the National Institute of Child Health and Human Development (NICHD), and who oversaw the funding of the study, said that while this experiment was small and limited to monkeys, it raises “a good bit of hope” that the technique can be further developed for use in regular medical practice — possibly even in the lifetime of today’s boys. (Cha, 3/21)

“I’m excited about this work because it truly addresses a need in human clinical care,” says Robert Brannigan, a professor of urology at Northwestern University, Feinberg School of Medicine who wasn’t involved in the work, noting that the procedure is still experimental. “The proof of principle is one that’s very encouraging.” (Abbott, 3/21)