Feature

Back Matter

Front Matter

Smallpox Problem Remains

Enzyme Dissolves Clots

Asian Flu Danger Seen

Blood Enzyme Test Shows Liver Damage

Sensitivity to Pain Rises When Senses Are Inactive

Equator Is Egg-Shaped

Nature’s Clocks Unaffected

Texan Offers Kinder Way to Kill Crabs

Thermoelectric Device Will Heat or Freeze

Art Reflects Society