Neuroscience

Control of fertility: A new player identified

Individual small RNAs are responsible for controlling the expression of gonadoliberin or GnRH (Gonadotropin-Releasing Hormone), a neurohormone that controls sexual maturation, the appearance of puberty, and fertility in adults. ...

Obstetrics & gynaecology

The female pelvis adjusts for childbearing years

Mother Nature has the answer: With the onset of puberty, the female pelvis expands; with the onset of menopause, it contracts again. In contrast, the male pelvis remains on the same developmental trajectory throughout a lifetime. ...

Neuroscience

Amygdala encodes 'cooties' and 'crushes' in the developing brain

Scientists have found a signal in the brain that reflects young children's aversion to members of the opposite sex (the "cooties" effect) and also their growing interest in opposite-sex peers as they enter puberty. These ...

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