Our societal senior moment is on the horizon: By 2030, one in five Americans will be over 65. Now is the time to redefine aging and health.
Following DNA from cell to society
For centuries the tenacious bacterium that causes tuberculosis has eluded humanity's attempts to kill it quickly, but one researcher may have landed a better solution. Mycobacterium tuberculosis, meet Ying Zhang.
Entomologist Rebekah Kent's tale of death and life at the end of malaria season
In southern Zambia, scientists hunt the parasite and the mosquito that make malaria a fact of life and a persistent cause of death
Antiretroviral drugs can save lives, but can they solve Africa's AIDS epidemic?