CDC

Factbox: Why Zika virus is causing alarm

Global health officials are racing to better understand the Zika virus behind a major outbreak that began in Brazil last year and has since spread to many countries in the Americas.

Extending life: Ways to live past 100

From lowering infant mortality rates to creating effective vaccines and reducing deaths related to disease, science helps increase lifespan by almost three decades.

March 2, 2016
March 2, 2016

Factbox: Why Zika virus is causing alarm

Global health officials are racing to better understand the Zika virus behind a major outbreak that began in Brazil last year and has since spread to many countries in the Americas.

March 30, 2015
March 30, 2015

Extending life: Ways to live past 100

From lowering infant mortality rates to creating effective vaccines and reducing deaths related to disease, science helps increase lifespan by almost three decades.