Overview: This episode focuses on life above the earth, including animals which can actually fly and other which have the ability to glide or at least fall gracefully. Includes discussion of how birds actually fly including take-off and using thermals and other wind currents. Also includes a trip by hot air balloon to the end of the earth's atmosphere, 5 miles above the ground. Also includes information about how some creatures use gravity to their advantage. Includes insects, floating seeds, flying spiders, gliding frogs, geckos, lizards and squirrels; and many varieties of birds including the diving birds and bats.