puberty
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Sexing Dinos: Paleontologists Seek Fossilized Hormones
How can you tell if a dinosaur is female or male? It’s one of the most basic aspects of biology and yet, for the most part, it continues to be a mystery in paleontology. We don’t yet know the sex of most extinct species, even if those in museum displays have gender-specific names like Sue…
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Asking Men When Their Voice Broke Helped Find Genes For Start Of Puberty
Puberty has a clear physiological signpost in girls: sooner or later, they have their first period. That’s been a critical part of identifying genes that influence when puberty starts in girls, but it wasn’t clear whether those genes also affected boys the same way.