Capuchin monkeys try to choose options that get food for others. When they are paired with relative or friend, the monkeys choose double reward “prosocial” choice than ” Self-fish” choice. But when it comes to strangers, they choose “self-fish” option. In the study monkeys were given tokens to exchange for food. One token got them a slice of apple. The other also got an apple slice, plus a similar slice to another monkey. When it comes to partner or familiar monkey from the same social group, the one choosing the token moved closer to the other monkey and choose the token that got them both food. But when the other monkey was a stranger, they choose selfish token to get food just for them.(Continue reading)
The way we recognize faces can say a lot about what culture we come from. This finding change the concept of the capability of face recognition is universal across the globe. According to this study, Westerners often concentrate on individual details of face, while East Asians focus on how details relate to each other.
When reading the expression Americans focus expression of a central figure and Japanese focus behind that central figure to gauge that person’s emotional state. Scientists used eye-tracking systems¬† to monitor eye movements of participants. They have observed the difference in eye movements in Westerners and East Asian participants. They found that Westerners look at specific features on face such as the eyes and mouth and East Asian focus on the nose or the centre of the face. This allows them to get a general view of all the features.(Continue reading)
A new study on a colony of 65 ground squirrels revealed that Squirrels are connected, on average, by three degrees of separation, meaning any two squirrels could be connected by three intermediate animals. Most of the connections were between mating squirrels and their families. But friendship, too, exists in the squirrel world. The study was conducted by Theodore Manno, a biologist at Auburn University in Alabama. It is notable that Human social network is separated by six degrees.
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