Feature

Seeds of Warfare Precede Agriculture

Study Sizes up Fetal Cells for Transplant

As the Globe Warms, Keep an Eye on Storms

Sowing Hope

Correction: Biomedicine: One HIV Strain Defends Against Another

Physicists Spot Element 111

Biology

Hubble Telescope Eyes a Milky Way Squirt

Swimmers May Get Hefty Chloroform Dose

The Return of Thalidomide

Genes Prevent Inbreeding, Aid Development

Science News of the Year