When it comes to mammals, we are the only species that drinks milk directly from other species, or we are the only one that does so in adulthood. Most juvenile animals can drink and digest their mother’s milk because they carry the...

When it comes to mammals, we are the only species that drinks milk directly from other species, or we are the only one that does so in adulthood. Most juvenile animals can drink and digest their mothers milk because they carry the enzyme...

Dave Steward recounts the extraordinarily complex history of South Africa. Steward is the former Chief of Staff to South African President FW de Klerk and Executive Director of the FW de Klerk Foundation. Don't miss new Big Think videos!...