Can We Talk?: How Humans Stay in Touch

Communication is how we express ourselves, share information and build relationships with others. We talk, sign, call, text and even use whistling and yodeling to stay in touch. Hundreds of years ago, humans needed to connect to hunt, farm and defend against threats. Now, thanks to satellites and computers, we can be in touch with just about anyone, anywhere, at any time! Discover the way spoken language began, how it continues to change and the technology that connects us all today.