In a study of 200 years of pre-industrial Quebecois genealogical history, researchers found that fertility-related changes in natural selection during…
New discovery provides key to side effects caused by erectile dysfunction drugs
A new study reveals several features of PDE6 that were previously unseen. Included among them were some very promising regions…
Social insecurity also stresses chimpanzees
Researchers conducted behavioral observations and collected urine samples for cortisol analysis of male chimpanzees of the Tai National Park, Ivory…
Mutation stands in the way of healthy blood cell maturation
In a new study, researchers have learned how a specific genetic mutation affects the maturation of blood cells in mouse…
Parental behavior affects the involvement of children in cyberbullying
Experts have recently published a study of the perception that adolescents have of the upbringing they have had and their…
Screen time — even before bed — has little impact on teen well-being
Data from more than 17,000 teenagers show little evidence of a relationship between screen time and well-being in adolescents. The…
Like old photographs, memories fade over time
Past events are often vividly recollected. However, it remains unclear how the qualities of memories are reconstructed. A new study…
Genetic causes of poor sleep
The largest genetic study of its kind ever to use accelerometer data to examine how we slumber has uncovered a…
Night Shifts May Raise the Risk of Miscarriage
Pregnant women who worked two or more night shifts a week were at increased risk of miscarriage.
Is the Saturated Fat in Chocolate as Bad as the Fat in Meat?
Chocolate contains a healthier blend of fats than meats do. But don’t go overboard.