When and Why Did People Start Saying "Um" When They Talk?

Extra Links for Lectures
Study Links Selfies To Narcissism And Psychopathy
We Know How You Feel: The Business World Can't Wait for Affectiva's New Smile-Reading Software
Evan Grant: This Is What Sound Looks Like
Site Survey Shows 60 Percent Think Free Will Exists. Read Why.
HBO Has 160 Lawyers Preparing For Its New Scientology Documentary
Documentary Draws Ire From the Church of Scientology
Illusions Fool Even the Blind
People Can Be Convinced They Committed A Crime They Don't Remember
To Fall in Love With Anyone, Do This
Be My Eyes ~ Lend Your Eyes to the Blind
What Your Personality Has to Do With Your Neighborhood
What's Right About A 6-Year-Old Who Breast-Feeds
Finger Length Predicts Health and Behavior
Trying to Cure Depression, but Inspiring Torture
Women's Self-Esteem and What Men Want
The Strange Tale of the North Pond Hermit
Why Newlywed Brittany Maynard Is Ending Her Life in Three Weeks
How Often You Really Need To Shower (According To Science)
Social Programs That Work
People around you control your mind
How a Simple Google Image Search Exposes Society's Most Harmful Stereotypes
Here's How Differently The Media Covers An Assault Before And After Learning It Was Done By A Cop
The dude map: How Americans refer to their bros
Men (on the Internet) don't believe sexism is a problem in science, even when they see evidence
Avatar: What Your Online Persona Says About Who You Really Are
Calvin Klein's Photoshop of Justin Bieber Is What's Wrong With Male Beauty Standards
Russia Bans People With "Gender Identity Disorders" And "Disorders Of Sexual Preference" From Driving
A Guy Outsourced His Anxiety to a Spambot
Breakup Studies Help People Get Over Breakups