Why the Latest Science Leads Us to a New Theory of Human Nature, by Jonathan Leaf (Bombardier, 320 pp., $21) Ever since Darwin, biologists have believed that much could be learned about human nature ...
A study found that chimpanzees tend to take more physical risks as infants and young animals rather than as adolescents, like humans. The researchers hypothesize that the level of care humans provide ...
Add Yahoo as a preferred source to see more of our stories on Google. Sixty years ago, scientists embarked on an experiment to teach American Sign Language to chimpanzees—and ultimately prove humans ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results