Or
Enter your email address and we'll send you a link to reset your password.
What’s a human? And how did we become humans, anyway? In this episode of Crash Course Biology, we’ll meet some of our closest relatives and trace how we evolved into the brainy, inventive, complex species we are today.
This is a modal window.
Beginning of dialog window. Escape will cancel and close the window.
End of dialog window.
You must create an account to continue watching