Unexpected wins in both humans and monkeys increase risk taking

How do humans make decisions when the outcomes are uncertain? One possible way would be to calculate the expected value of each option by multiplying each possible outcome amount by its probability and then choosing the option ...

Fish-hunting and eating behaviors confirmed in Japanese macaques

Consumption of fish in monkeys has been thought of to be a rare occurrence, potentially even happening accidentally. However, through fecal studies of Japanese macaques in the Kamikochi area, evidence of fish-eating amongst ...

Having good friendships may make for a healthier gut microbiome

Social connections are essential for good health and well-being in social animals, such as ourselves and other primates. There is also increasing evidence that the gut microbiome—through the so-called "gut-brain axis"—plays ...

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