Insect diet helped early humans build bigger brains, study suggests
(Phys.org) —Figuring out how to survive on a lean-season diet of hard-to-reach ants, slugs and other bugs may have spurred the development of bigger brains and higher-level cognitive functions in the ancestors ...
Study shows rhesus monkeys able to add numbers together for a reward
Field study shows titi monkeys convey both location and predator type with vocal alarms
Research shows reciprocity an important component of prosocial behavior
While exchanging favors with others, humans tend to think in terms of tit-for-tat, an assumption easily extended to other animals. As a result, reciprocity is often viewed as a cognitive feat requiring memory, perhaps even ...
Nanomedicine: Quantum dots appear safe in pioneering study on primates
A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases ...
See Dan read: Baboons can learn to spot real words
Dan the baboon sits in front of a computer screen. The letters BRRU pop up. With a quick and almost dismissive tap, the monkey signals it's not a word. Correct. Next comes, ITCS. Again, not a word. Finally ...
Pregnant gelada monkeys abort when new male enters group
(PhysOrg.com) -- Pregnant female geladas show an unusually high rate of miscarriage the day after the dominant male in their group is replaced by a new male, a new University of Michigan study indicates.
Monkeys with larger friend networks have more gray matter
Programmer has fun with monkeys typing Shakespeare theory
Funding for nonhuman primate research questioned
Rhesus monkeys have a form of self awareness not previously attributed to them
In the first study of its kind in an animal species that has not passed a critical test of self-recognition, cognitive psychologist Justin J. Couchman of the University at Buffalo has demonstrated that rhesus ...
Male New World monkeys attract females by washing in urine
Monkeys demonstrate self-awareness in computer game
Linguistic methods uncover sophisticated meanings, monkey dialects
The same species of monkeys located in separate geographic regions use their alarm calls differently to warn of approaching predators, a linguistic analysis by a team of scientists reveals. The study, which ...