Todos los episodios

Which two skills must a natural-born flier master simultaneously? What outlandish experiments did early aviators try? FLIGHT combines the story of manned flight with a celebration of nature's great fliers, from birds to insects. Discover how human designers borrow ideas from the natural world to build today's sophisticated machines.

From Medusa to Dracula, all cultures have their monsters! In this exciting DVD, students learn what makes things scary and build an understanding of the universal presence of mythical creatures, such as vampires and dragons. Explorer the science behind many myths, identify viruses and bacteria, and uncover our love/hate relationship with monsters of all types, from mosquitoes to dragons.

Which planet would float in your bathtub if you had one big enough? What is the fire-and-brimstone world of Venus really like? PLANETS journeys through space and time, witnessing the birth of the sun and traveling to the outer limits of the solar system.

Which plant germinates after 6,000 years of sleep? Which ocean forests are as big as the largest forests on land? PLANT is a colorful tour of the world's most magical to the most bizarre. Watch buds burst, flowers bloom, and discover the myriad ways plants struggle to survive.