See allHide authors and affiliations

Science  17 Jul 1998:
Vol. 281, Issue 5375, pp. 303
DOI: 10.1126/science.281.5375.303d


Hold your breath. What wicked brew can you expect from mixing a rainstorm with ozone from cars and soot from smokestacks? Air-quality experts can now simulate how these pollutants interact and move across the country with Models-3, a new Environmental Protection Agency computer program 7 years in the making. To view a tutorial and order the system, see

Science info glut. Although clunky to navigate, a site called Martindale's Reference Desk is a goldmine of science resources: hundreds of multimedia courses and tutorials, databases, calculators, and more in a wide range of disciplines, from medicine to materials science.

Who will pay for Why. The Why Files has won praise for its lively features explaining “the science behind the news,” from the Mars rock to AIDS drugs. Now the 3-year-old, National Science Foundation-funded pilot just got permanent sponsorship from the University of Wisconsin, Madison.

Navigate This Article