Long before industry, our ancestors faced toxic metals, including lead. This exposure may have shaped the evolution of human ...

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The ...

A simple change in species composition can impact the course of evolution: A research team from the University of Bern and ...

The study explores the evolutionary origins of the lifespan difference between women and men. Across the globe, women generally outlive men, a pattern that has persisted throughout history and in ...

Among bats, these pathogens spread even more because many species live in highly social colonies. Taken together, this means ...

Harmful genetic changes in sperm become substantially more common as men age because some are actively favoured during sperm production, new research ...

Mammals vs birds: Among the 1,176 species studied, female mammals live on average 13 percent longer than males, while among ...

A new international study led by Mayo Clinic researchers has identified a genetic factor that may explain why some patients with colorectal cancer that has spread to the liver experience more severe ...

A man sits outside and holds a slim menthol cigarette between his fingers. Close-up with focus on the cigarette. The study provided a comprehensive examination of how lifestyle and environmental ...

Boeing executives don’t talk publicly about the FAA very often, and when they do, the message is almost always some combination of praise and deference. CEO Kelly Ortberg’s recent words about the ...

Many people are skeptical of genetic engineering, and especially of genetically modified organisms (GMOs) in food, even though innovations like drought-resistant wheat and insect-resistant corn ...

Clinicians' ability to diagnose and treat chronic diseases is limited by scientific uncertainty around factors contributing to disease risk. A study published September 2 nd in the open-access journal ...