Lemur females behave more like the males thanks to a little testosterone, says a group of biologists at Duke University in Durham, NC.
Male and female...
Chins of anatomically modern humans don’t come from mechanical forces such as chewing, but instead result from an evolutionary adaptation involving face...
According to a group of anthropologists headed by Dr Brian Hare of Duke University, a decline in testosterone levels about 50,000 years ago led to the...
Men who have low levels of testosterone, a key male sex hormone that helps maintain sex drive, sperm production and bone health, may have a slightly elevated...
