An Ultrasound Portrait of the Embryonic Universe
by Andrew E. Lange
An international team goes to the Antarctic to look for prenatal signs of galactic superclusters from a time when the universe was only about 300,000 years old.
A Visual Approach to Calculus Problems
by Tom M. Apostol
Even a child can do it: you can use simple geometry to find the areas enclosed by complex curves.
by Jane S. Dietrich
The publishing project for his collected papers relocates to Caltech.
Obituaries: Thomas Hartwig Wolff
Books Freud: Darkness in the Midst of Vision by Leslie Brothers