Why do people copy famous works of art and who buys them?
Mike Williams asks what exactly is a safe space?
As the Rio Olympics edge closer, we explore how food can make you a better athlete
Do women make better philanthropists and what motivates them to give cash away?
Volcanic rock converts carbon dioxide quickly, effectively locking away the greenhouse gas
Digital discrimination – does the colour of your skin affect your online activity?
Are 74% of African girls aged 15-24 HIV positive?
The world’s greatest migration - countless birds fly north from Australia to the Arctic
How a tiny country has become the world's second biggest exporter of farmed food.
Female heavy metal musicians from Taiwan and Slovenia.