This week, scientists discover a stimulating way to determine a turtle's gender. Also, an Eclipse Chaser helps prepare for this week's total solar eclipse, and Pixar Director Pete Docter takes the Poundstone Personality Psurvey.view more
Does Science Think You're Pretty?
Is That T-Rex Coming On To Me?
How Long Are You Gonna Be In There?
Do I Need A Bath?
Can I Eat That?
Why Is Fluffy Looking At Me Like That?
Am I Wishing For a Germ Bath?
Our Test Tube Runneth Over: A Bonus Mini-Episode
Who Started the Super Soaker Arms Race?
What the BLEEP are you doing?