Remember drawing dinosaurs in grade school, when the teacher would tell you to use any color you like, because we’ll never know for sure what these amazing prehistoric beasts looked like? Forget that ...

For over a century, non-avian dinosaurs have been symbols of extinction. Our awe at their success, and our puzzlement at their ultimate demise, have made them perfect foils for our worries and fears.

DAVE BRIGGS: Guess who's back? Barney, your favorite purple dinosaur will return in an animated series launching next year. In addition to new content, Mattel is turning out a new line of Barney toys, ...