We share what you had to say about our conversation with ADHD Doesn't Exist author Dr. Richard Saul and the ruling to expedite same-sex marraige licenses when we read some of our viewer feedback.
ADHD
We meet the Chicago doctor who claims in a provocative new book that ADHD does not exist. Read a book excerpt.
Penguins, ADHD, Tevatron & Leonardo da Vinci
Sniffing out relatives? It may not be the human way, but it works for one finely dressed bird. We explore penguin behavior and more in tonight's Scientific Chicago.