The real revelation, however, came from the men. Men considered a larger penis as an indicator of a rival with both greater ...

What did the first humans actually look like? This video traces our evolutionary story back to a tiny, squirrel-like primate that started it all. You’ll see how millions of years shaped the human face ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it ...

Sexual behaviour among same-sex pairs is common in apes and monkeys, and a wide-ranging analysis suggests it does boost ...

Abstract: The rooted max tree coverage (MTC) problem has wide applications in areas, such as network design and vehicle routing. Given a graph with non-negative costs defined on edges, a vertex used ...

Bonobo evolution reveals bonding and group cohesion in response to threats, favoring paths to finding peace instead of ...

Abstract: Fine-grained flower image classification (FGFIC) is challenging due to high similarities among species and variations within species, especially with limited training data. Existing genetic ...

A new study from Northwestern University is reshaping how scientists think about brain evolution. The research suggests that the gut microbiome does more than aid digestion. It may also influence how ...

Sitting in my campsite at Goblin Valley State Park, I saw an antelope ground squirrel standing erect on its back feet, which I found amusing. I soon found that this was a common posture evoked by ...

Japanese macaques display behaviors that feel strikingly familiar to human observers. This video examines how social structure, emotional expression, and learned behavior blur the perceived boundary ...