The Tomb of Genghis Khan
By Emilia Wellesley · Published May 7, 2026 · Updated May 7, 2026 A working ethologist will tell you that the most informative animals in a story are the ones nobody is looking at. In the case of the lost tomb of Genghis Khan (born Temüjin, c. 1162-1227), the animals nobody is looking at are […]
Mystery of the Monarch Butterfly Migration
What Is the Mystery of Monarch Butterfly Migration? The mystery of monarch butterfly migration is that no single butterfly completes the round-trip journey. Each year, a “super-generation” born in late summer flies up to 4,000 kilometers from Canada and the northern United States to a forest in central Mexico its parents and grandparents never saw, […]