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Human Development

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Largest Review Links Finger-Length Ratios to Sexual Orientation in Both Sexes

Researchers pooled 51 studies spanning 227,648 participants, finding modest associations consistent with prenatal hormone influence.

Second Pregnancy Leaves Distinct, Lasting Changes in the Maternal Brain

Newborn Brains Predict Musical Rhythm, Not Melody, Study Finds

Iron Age Italian Teeth Map Childhood Stress and Fermented Diets in New PLOS One Study

Ohio Baby Born From 30-Year-Old Frozen Embryo Breaks Viability Record

Ohio Baby Sets Record as Oldest Born From 30-Year-Old Frozen Embryo