Mysteries
The Mystery of the Tomb of Genghis Khan
In August 1227, Genghis Khan died while campaigning against the Western Xia, an empire in north-western China that had resisted…
Science
Coral Reefs and Ocean Acidification
If you could drain the ocean from a coral reef and walk across what remained, you might be tempted to…
Warfare
The Battle of Chosin Reservoir
By the autumn of 1950, the Korean War seemed, at least to many United Nations commanders, to be moving towards…
History
The History of the Ambulance
For most of human history, the word “ambulance” would have meant very little to anyone lying injured beside a road,…
