On the Cover
March-April 2000 Volume 88, Number 2
On April 25, 1998, the Transition Region and Coronal Explorer satellite
captured this dramatic view of a 370,000-kilometer-wide solar prominence
in ultraviolet light of three wavelengths: 171, 195 and 284 angstroms
(shown, respectively, by blue, green and red colors). The huge luminous
arches mark where concentrations of hot, ionized gas jut from the sun's
surface. ...
FEATURE ARTICLES
Erica Klarreich
For centuries, the precise architecture of soap foams has been a source of wonder to children and a challenge to mathematicians
Barry Ganetzky
Some genes will play dirty to gain a selective advantage
Marc Hauser
Many animals have basic numerical abilities, but some experiences can transform their minds and ultimately change how they think about numbers
Paul Bellan
The techniques used to advance fusion research can be fruitfully applied to some basic problems in astrophysics
Max Fink
Electroconvulsive therapy, once vilified, is slowly receiving greater interest and use in the treatment of mental illness
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