| Can you solve the troll’s paradox riddle? Lesson by Dan Finkel, directed by Artrake Studio You and your brother have discovered another realm and set off exploring the new wonderful world. Along the way, you see a troll catching creatures in an enormous net. The troll agrees to release the creatures if you can come up with a statement that is both truth and false. Can you come up with the correct sentence and force the troll to release them? Dan Finkel shows how. View full lesson » | | | From slave to rebel gladiator: The life of Spartacus Lesson by Fiona Radford, directed by Kozmonot Animation Studio Spartacus was a slave -- one of millions taken from territories conquered by Rome to work the mines, till the fields or fight for a crowd’s entertainment. Imprisoned for deserting the Roman Army, he and other slaves fought their way free and started a rebellion. How did a slave become synonymous with freedom and courage? Fiona Radford delves into the life and legend of Spartacus. View full lesson » | | | Can animals be deceptive? Lesson by Eldridge Adams, directed by The Duke and the Duck A male firefly emits a series of enticing flashes. He hopes a female will respond and mate with him. A female from a different species mimics his patterns: by tricking the male, she lures him in -- and turns him into a meal. Where else do we see this kind of trickery in the animal kingdom? Eldridge Adams details the surprising complexity of how animals manipulate predators, prey and their rivals. View full lesson » | | |