简介：Researchers from New Zealand investigate about the mysterious attacks of orcas to great white sharks in South Africa in 2017 and seek to discover if it will happen again.
简介：Between scenes from his concert in São Paulo's Theatro Municipal, rapper and activist Emicida celebrates the rich legacy of Black Brazilian culture.
简介：Bob Ross brought joy to millions as the world's most famous art instructor. But a battle for his business empire cast a shadow over his happy trees.
简介：Exploring the fallout of MIT Media Lab researcher Joy Buolamwini’s startling discovery that facial recognition does not see dark-skinned faces accurately, and her journey to push for the first-ever legislation in the U.S. to govern against bias in the alg