Feature

Small Comet Theory Melts under Scrutiny

Biology

Survey Finds Wide Resistance to TB Drugs

Ka-Boom!: A Shockingly Unconventional Meat Tenderizer

Melanoma Madness

Back Matter

New Spermicides Stop Cells Gently

Early Work on Mutualism

Science in the Courtroom

Ancient Skull Fills Big Fossil Gap

Hubble Takes First Image of Possible Planet

Front Matter