The human body is naturally equipped with defenses to fight off viral infections. For a virus to successfully infect it, it ...

For a long time, scientists depended on luck to find new proteins. In 1840, for example, the Friedrich Ludwig Hünefeld, a ...

All humans who have ever lived were once each an individual cell, which then divided countless times to produce a body made up of about 10 trillion cells. These cells have busy lives, executing all ...