Remastered
12 episodes
Genetic Thread Count
Peto’s Paradox
Why Don’t Penguins’ Feet Freeze?
What’s Hiding in a Drop of Pond Water?
Which Animal Doesn’t Belong?
Which Comes First, the Tadpole or the Frog?
Which Way Does the Blood Go?
Why Can’t You Tickle Yourself?
Why Did the Tortoises Grow So Big?