On the Cover
November-December 1998 Volume 86, Number 6
A single stroke of lightning, such as this example in eastern Colorado,
may transfer from cloud to ground a charge amounting to hundreds of
thousands of amperes within a few microseconds. Where does this charge
come from in the first place? ...
At its core, oxygen production comes down to the chemistry of a poorly understood manganese-containing complex in the membranes of plant chloroplasts
Also known as "amphioxus," this curious creature has returned to the limelight as a player in the phylogenetic history of the vertebrates
How precipitation develops, evolves and is moved by airflow at different levels may explain hurricanes' lack of lightning
A similar combination of rubbery and stiff materials creates common mechanical properties in blood vessels of vertebrates and some invertebrates
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A review of Magical Mushrooms, Mischievous Molds: The Remarkable Story of the Fungus Kingdom and Its Impact on Human Affairs, by George W. Hudler.
See all book reviews for this issue.