Detecting a banned foreign substance in a blood or urine sample should be clear evidence that a sports person is guilty of cheating chemically. But even when athletes test positive, what are the chances that they are actually guilty of doping? There are so many legitimate medications that can give false positives and so many [...]

The reason lies in the requirements made by our ancient environment. We lived in small groups on the African savannah. Where women made a living from gathering fruits and vegetables. And where men brought in the meat through hunting.

Hunting is a team effort. Whether you drive small animals to your fellow hunters or you track [...]