This is a preview. Log in through your library . Abstract Because of its extensive range and the diverse habitats occupied in North and South America, the puma {Puma concolor) is an excellent animal ...

Whole-animal performance traits, such as locomotor performance, are central to current concepts of phenotypic adaptation, yet the possible evolution of such traits via sexual selection is an ...

When you only have fossils to go off of, it's hard to tell which dinosaur traits, like size and ornamentation, are related to the animals' sex, and which traits are related to other things like age.

There is an astonishing amount of variation in sexual behavior around the globe and over time. Many of these differences can be explained as adaptive responses to the environment – a possibility that ...

Aug. 27 (UPI) --Sexual dimorphism is difficult to spot among remains of dinosaurs, but in a new paper, published Thursday in the Biological Journal of the Linnean Society, scientists argue that just ...

Can math tell us about the gender differences in dinosaurs? A new study published a novel statistical analysis that estimates the degree of sexual variation found in fossils. "It's a whole new way of ...

Sexual minority groups report relatively more mental health issues than heterosexual people, and identifying sexual minorities through efficient survey questions helps bridge mental health disparities ...

The most important finding of the large new study, says Benjamin Neale, a geneticist at the Broad Institute of MIT and Harvard University, “is there is no single gay gene.” Neale and a team of ...

There is an astonishing amount of variation in sexual behavior around the globe and over time. Many of these differences can be explained as adaptive responses to the environment – a possibility that ...

Male lions typically have manes. Male peacocks have six-foot-long tail feathers. Female eagles and hawks can be about 30% bigger than males. But if you only had these animals' fossils to go off of, it ...