You are not one self, but many. Psychology and neuroscience now agree that our identity is made of parts, shaped by brain ...

In a TODAY exclusive sneak peek, see the new “The More You Know” PSA campaign narrated by “Saturday Night Live” star Ego Nwodim.

Chris Meloni, Ego Nwodim, Sherry Cola, Caleb Hearon and Ben Ahlers have joined the cast of Netflix's "Little Brother" with ...