The Best American Science Writing 2003

My own first love was biology. I spent a great part of my adolescence in the Natural History museum in London (and I still go to the Botanic Garden almost every day, and to the Zoo every Monday). The sense of diversity—of the wonder of innumerable forms of life—has always thrilled me beyond anything else.

Lemurs are close to the ancestral stock from which all primates arose, and I am happy to think that one of my own ancestors, 50 million years ago, was a little tree-dwelling creature not so dissimilar to the lemurs of today. I love their leaping vitality, their inquisitive nature.

Hydrogen selenide, I decided, was perhaps the worst smell in the world. But hydrogen telluride came close, was also a smell from hell. An up-to-date hell, I decided, would have not just rivers of fiery brimstone, but lakes of boiling selenium and tellurium, too.