vatican

Brady Haran interviews Brother Guy Consolmagno, director of the Vatican Observatory, for Sixty Symbols. It is part of a three-video set along with the observatory's telescopes and its meteorite collection.

WonderWhy surveys complex international borders, including enclaves like Vatican City, San Marino and Lesotho, the enclave-within-enclave town of Baarle, and the India-Bangladesh Cooch Behar region.

A short CGP Grey explainer about how countries are defined, why recognition by others matters, and the oddities of places like Taiwan and Vatican City. It shows that statehood is partly a matter of diplomacy rather than fact.