Scientists have struggled for centuries to pinpoint the qualities that separate human beings ... by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

Originally appeared on the NOVA Web site Cut to the Heart. Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and ...

The PBS series is also one of the most ... every year on TV and across digital platforms. NOVA’s important and inspiring stories of human ingenuity, exploration, and the quest for knowledge ...

CHIEF SPECIMENS: cranium, jaw fragments, teeth found in western Chad, 2001 WHEN LIVED (est., in years ago): 7.6—6 million BRAIN SIZE (est., in cu cm): 360-370 (slightly smaller than a male chimp ...

Slightly over half of all biological/physical anthropologists today believe in the traditional view that human races are biologically ... Three years ago, I served on a NOVA-sponsored panel ...

NOVA: Most hazardous duty and bomb disposal robots seem to be tethered in some way to a human operator—either by an actual cable or by a radio signal. Do they qualify as robots in your mind?

For more information about genes, visit the Glossary. Sources: (1-5, 7, 15-21) National Human Genome Research Institute Web site; (2) NOVA "Cracking the Code"; (8-10, 13-14) New York Times ...

Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns ...