Want better video quality? Sign in to access HD streaming!

×

Want to watch better-quality PBS Video? Sign in to access HD streaming!

When you sign in, you'll become a PBS Insider and we'll share your contact information with your local PBS station. You may receive updates to help you stay connected with what's happening online and in your community. Privacy Policy

NOVA SCIENCENOW

What Makes Us Human?

  • Aired: 10/10/2012
  • 52:41
  • Rating: TV-PG
Find out if you’re part Neanderthal, about the evolution of laughter, what language may owe to tool-making, and more.
Embed Options
Close ×
What Makes Us Human?
Find out if you’re part Neanderthal, what language may owe to tool-making, and more.
Width:
Height:
Please copy this text to your clipboard.
Problems Playing Video ?
Funding for NOVA ScienceNOW is provided by the National Science Foundation and the Alfred P. Sloan Foundation.
PBS Anywhere - funder area

LEARN MORE

PBS KIDS

Watch videos from your favorite PBS KIDS shows with the PBS KIDS Video app for your tablet or phone.

Downton Abbey Collection

Bring home the complete collection: DVDs, Blu-rays, books, gifts and more. Visit ShopPBS.

Donate

NHPTV helps all of us explore new worlds and ideas. Give Now

AugustLightbox