Spiders Spin Balloons to Fly Away

This crab spider is surveying the wind condition with its leg hairs … to take flight. A team of researchers studied how these spiders release silk ""balloons"" and sail away. Conditions for liftoff need to be right. A warm and gentle breeze will do it.

The balloon is made up of 60 silk threads in a triangular form, similar to a wind-sail. It’s got to be nice to go wherever the wind blows. For more: See How Spiders 'Fly' Around the World on Their Silk"