Lesson 1 Emperor Penguins
Lesson 2 Caffeine
Lesson 3 Blood Is Blood
Lesson 4 Biomimetics
Lesson 5 Communication without Words
Lesson 6 Christmas Truce
Lesson 7 Political Correctness
Lesson 8 Global Water Crisis
Lesson 9 Animal Math
Lesson 10 The Poorest President in the World.