Ill Winds

Dust storms ferry toxic agents between countries and even continents

Second in a two-part series on the effects of the long-range movement of dust. Part I: Dust, the Thermostat. Available at Dust, the Thermostat.

View from a hotel room in China one morning last April. Dust restricted visibility to about one-half block. Levin
Laboratory dish hosts robust bacterial and fungal colonies–all seeded by microbes collected during an African dust-fall over St.