Testosterone quietly shapes bodies, brains, and behavior long before culture enters the picture. While society debates gender and aggression, biology continues doing its work. Evidence from humans and ...

Researchers have found a way to control protein levels inside different tissues of a whole, living animal for the first time. The method lets scientists dial protein levels up or down with great ...

Researchers at Nagoya University have discovered a completely new plant tissue that acts as a nutrient gateway for developing seeds, a breakthrough not seen in 160 years. Credit: Shutterstock A ...

Researchers uncovered how estrogen subtly reshapes learning by strengthening dopamine reward signals in the brain. Rats learned faster when estrogen levels were high and struggled when the hormone’s ...

Genevieve Hofmann has participated in advisory boards with Astellis Pharma and Mayne Pharma. She is President-elect of the Board of Directors of National Association of Nurse Practitioner's in Women ...

Scientists say they have found a way to test ancient human remains for hormones linked with pregnancy, a breakthrough that may allow archaeologists to determine whether a woman was pregnant or had ...

This illustration shows how the "Pest-ID" tool developed by Iowa State researchers can help farmers identify and manage pests of all kinds. Image courtesy of Iowa State's Translational AI Center. Nine ...

When a plant is stressed, it doesn’t keep quiet about it. You won’t hear the plant’s cry because it’s in the ultrasonic range — too high-pitched for human ears — but, for decades, scientists have been ...

Their names are unknown but their pain is nonetheless evident. A user on Reddit, a social-media site, was “fairly close to being just another young man that killed himself because of depression”. On ...

Scientists have discovered that a molecule known for defending animal immune systems called itaconate also plays a powerful role in plants. Researchers showed that itaconate not only exists in plant ...

In 1977, the US Food and Drug Administration (FDA) imposed a ban on women of childbearing age being included in early drug trials – even if they used contraception or had vasectomised partners. This ...