Kitum Cave in Kenya may be one of the most deadly places on Earth. How did its darkened depths come to hold so many deadly infectious diseases?| Historic Mysteries
Project A119 was one of the crazier concepts of the Space Race and the Cold War . Why did the US want to nuke the Moon, and what thankfully stopped them?| Historic Mysteries
Why do we have different blood types? It seems that there was a distinct advantage in having differing blood groups across the human race, but to what purpose?| Historic Mysteries
Our climate is changing rapidly, but not for the first time. There may be lessons we can learn from the last period of rapid change, known as the Younger Dryas.| Historic Mysteries
Most man-made satellites operate in the same way. And then there is “Palladium at Night”, an classified spy satellite that moves across the sky like no other.| Historic Mysteries