Imagine a virus so lethal that up to 90% of those infected don’t survive. That’s Marburg - a rare but extremely dangerous disease with no known cure. In this video, we explore its history, how it ...

In the shadows of Python Cave, Uganda, a leopard leaps from a guano mound – formed by bat excrement – and sinks its teeth into a bat. But this is no ordinary bat colony. The thousands of Egyptian ...