Feature

America’s Teen Pregnancy Epidemic

A Jet Black Possibility

Behavior

Satellite to Take Earth’s Temperature

NAS Decries Human Rights Violations

Mental Health Report Cites Chronically Ill

Space Sciences

Laurels and Limits on Nobel Prizes

Sister George to O.R. 4

Corrections and Suggestions

Chimp Killings: Is It the ‘Man’ in Them?

Letter from Tokyo (6): Waiting for the “Great Tokai Quake”