When it comes to explaining the evolution of human cooperation, researchers have traditionally looked to the iterated Prisoner’s Dilemma (IPD) game as the paradigm. However, the observed degree of cooperation among humans ...
Scientists have constructed a map of a societal communication network based on the mobile phone usage of 7 million individuals during a span of 18 weeks. As the first study to have access to a large amount of direct data ...
The way that a flock of birds flies or a school of fish swims may involve more than individuals simply judging the distance between themselves in the group. Recently, scientists from the University of Alberta have shown that ...
A transatlantic team of number-crunchers announced they had built a theoretical structure in 248 dimensions, resolving a 120-year puzzle that could be used to test theories about the structure of the cosmos.
Mathematics
Mar 19, 2007
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While history portrays the Vikings as skillful masters of the sea, sailing treacherous routes in the northern Atlantic Ocean during the 10th-13th centuries, just how much knowledge, technology and ability they possessed is ...
In addition to mastering a large body of knowledge, successful researchers must acquire a host of high-level cognitive skills: critical thinking, "framing" a problem, ongoing evaluation of the solution as it progresses, and ...
Stick and leaf insects both belong to the insect order “Phamatodea,” or “phasmid” for short, a term which shares the same roots as the word “phantom.” Besides appropriately describing the species’ illusory presence ...
One of the most challenging tasks for computer vision researchers is to design a system that can automatically recognize individual faces. Humans, who can perform this task in as little as 50 milliseconds—almost unconsciously, ...
There is a story about a guy who makes a point to be kind to his taxi driver, giving him a sincere thanks and a generous tip. The guy reasons that, if the taxi driver is then inspired to be kind to each of his passengers, ...
In attempting to construct an artificial cochlea—and faced with limited knowledge of how the living chamber works—scientists might need to look no further than a simple electronic device: a surface acoustic wave (SAW) ...
