The asthma mystery of Tristan da Cunha: The world’s most isolated island with only two settlers created a rare genetic puzzle mystery in 1817 |
The name Tristan da Cunha tends to sit at the edge of most atlases, almost as an afterthought in the South Atlantic, a small mark of land far from anything that feels busy or connected. Yet its story runs oddly thick for such a remote place. Ships once passed it as part of a long,…