Author: Marchelle Calnan

While researching my soon-to-be-released biography on John Horton Conway, an iconoclastic and very influential mathematician at Princeton, I organized a research trip to his native England. We visited with Conway’s elder sister, Joan, in Liverpool, and convened a reunion at his alma mater, Cambridge. We met there with a few of his “sum chums,” his co-authors […]

John Horton Conway, a Fellow of the Royal Society who hails from Princeton via Cambridge, England, is notorious for many things—perhaps most for his promiscuous curiosity and his lifelong love affair with playing all manner of games. He’s also celebrated for his Conway groups in mathematical symmetry, for his surreal numbers, and for inventing cellular […]

Mad Max: Fury Road envisions an embarrassing, nightmarish future. Worldwide droughts have driven humanity to nuclear war over water, destroying modern civilization, and disfiguring the earth into a planet-spanning Sahara. Decrepit old goons control the last remaining pockets of groundwater and arable land; essentially, the movie is one drawn-out, violent chase scene through a sterile […]

Our own oasis of life in the cosmos is blue, but will others be?

The water flowing down the stream’s banks sends a soft and consistent murmur through the forest. The flow, however, is far from continuous. At one point the cool water swirls in eddies and gathers in still pools, but then—almost accidentally—it surges forward and slips quickly over the ledge. It crashes loudly, bubbling up in a […]

There is a miles-long solitary wave trundling its way across an ocean right now. It will travel for days on end before dissipating its billions of joules of energy. From motes of methane pushed by distant starlight, to words smuggled out of a silent place, our world is full of unseen currents that carry and […]

In Tibet, a geologist learns how folk stories may record actual catastrophes.

The May/June 2016 Nautilus print edition combines some of the best content from our issues on Aging and Currents, with new original contributions and gorgeous full-color illustrations. This issue includes contributions by: environmental journalist Jonathan Waldman; photo editor and author Rebecca Horne; best-selling author Tom Vanderbilt; and award-winning journalist Justin Nobel. In addition, the issue […]

Survival on a fictional desert planet has a lesson for the drought-stricken state.