In their study, the team asked people to rate photos of non-human primates with altered eyes. Their results revealed that ...

“Brighter irises and larger pupils elicited greater donations,” noted experts from the Netherlands’ Leiden University in a ...

Study shows pupil size and iris brightness affect how others perceive your attractiveness, friendliness, and generosity.

Cuttlefish show self-control, waiting for better food like chimps and crows. Those that wait longer also learn new tasks ...

They all have round heads that are darker than their bodies—and, in the case of the gray and yellow-tailed monkeys, they also have large, dark eyes and expressive faces. Woolly monkeys have long ...

They say the eyes are the "windows to the soul," but new research reveals they are much more than that—they’re also powerful ...

Officials previously questioned whether the deadly disease was indeed present in the African country, which had seen 8 ...

Dr. Nobuyuki Kawai from Nagoya University in Japan has found that the rapid detection of snakes by monkeys is because of the presence of snake scales as a visual cue. His findings highlight an ...

How do monkeys recognize snakes so fast? Date: December 26, 2024 Source: Nagoya University Summary: A researcher has found that the rapid detection of snakes by monkeys is because of the presence ...

As night fell across a nature reserve in China, a “large” creature emerged from the forest and climbed onto an old house.

Like humans, chimpanzees can rise to the occasion in front of a large audience or fail miserably ... previously known as the Primate Research Institute. Over six years, the researchers from ...

If sight fishing crystal-clear rivers for powerful jungle fish is on your angling bucket list, look no further than Bolivia’s Agua Negra River.