Over the course of the 20th century, genes began to play a greater role in the height and body mass index (BMI) of Americans, while their significance decreased in educational attainment and occurrence of heart disease.
Fish have relatively small brains, especially in comparison to birds and mammals. But the picture of how brains evolved, as restored from the spaces inside fossil skulls, might not be as simple as once thought.
It has been known for years that personality traits of animals, such as aggressiveness, risk-taking, curiosity or sociality, may have far-reaching consequences for reproduction and survival. However, separating the effect ...
While the latter half of the 20th century showed a widening gap between the more and less educated with respect to marriage and fertility, this trend has not significantly altered the genetic makeup of subsequent generations, ...
Feelings of shame and humiliation bother obese air passengers more than tight seat belts and tiny seats, according to a study published by Ben-Gurion University of the Negev (BGU) researchers.
It may well be that only male zebra finches can sing, but the females are faster at learning to discriminate sounds. Leiden researchers publish their findings in the scientific journal Animal Behaviour.
Changing court conditions to address differences in men's and women's play might make women's tennis matches more competitive, according to a new study by Ben-Gurion University of the Negev (BGU) and other Israeli researchers.
The way parasitoid wasps feed may be gruesome, but it is an extremely efficient way to exploit prey, University of Exeter research has found.
Mammals with large brains tend to be smarter but they also face a greater chance today of going extinct, according to a study published Wednesday.