On the Cover
July-August 2003 Volume 91, Number 4
American-born artist William Utermohlen, diagnosed with Alzheimer's
disease in 1996, has chronicled the resulting emotional turmoil, and
physical and mental decline, in a series of evocative self-portraits.
The cover image, entitled "Mask (white)," was made around the time of
his diagnosis. ...
Recent calls to direct conservation funding to the world's biodiversity hotspots may be bad investment advice
That the Moon harbors ice at high latitudes is well known. The source of that water, however, may come as something of a surprise
The molecular origins of the disease are coming to light, suggesting several novel therapies
The emerging science of positive psychology is coming to understand why it's good to feel good
In quantum mechanics, there are two sides to every story, but only one can be seen at a time. Experiments show that "erasing" one allows the other to appear
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Principles of Animal Locomotion integrates physics and engineering with biology to describe the diverse ways animals get around
See all book reviews for this issue.
The Spectrum of Riemannium
Brian Hayes traces an intriguing link between number theory and nuclear physics
Thomas Eisner on the glories of un-landscaping
At the Breaking Point
When does a drip drop? Physicist Sid Nagel knows—and has captured the moment on film