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EarthMapping watersheds invites comparisons
Computerized maps of environmental features for 154 of the largest river watersheds will soon be available to the public, free of charge.
By Janet Raloff -
Health & MedicineMicrobicide thwarts AIDS virus in monkey test
A microbicidal gel applied vaginally prevents some transmission of the AIDS virus in monkeys.
By Nathan Seppa -
AnthropologyThe Stone Masters
Investigations of modern-day expert and novice craftsmen of stone tools and decorative stone beads offer insights into the making of stone implements thousands and perhaps even millions of years ago.
By Bruce Bower -
19310
Like most environmental journalism, the article describes the problem well but not the solution.