February 26, 2004

Ozone killer caught in the act Harvard scientists have identified a chlorine molecule that destroys ozone and is plentiful in Earth's coldest regions. The new findings will improve computer models used to predict ozone loss. (Image courtesy NASA) Full story

HARVARD GAZETTE ARCHIVES

Cancer drug given new life
Toxic side effects eliminated

Dana-Farber scientists discover natural blocker of HIV-1 virus
Could lead to new strategies for preventing infection that causes AIDS

Thought of pain changes the brain
Dummy pill makes it hurt less

Harvard researchers observe ozone killer in the act
Chlorine peroxide molecule key link in ozone destruction cycle

Scientists suspect ozone standards are lax
Harvard researchers will present case to Congress

Students converge on Harvard for climate summit
Northeast Climate Conference explores climate-change scenarios and solutions