Movement through the atmosphere using wings or other structures to generate lift.
5
votes
2answers
273 views
Why insects are so energy-efficient while flying?
Why are insects so energy-efficient while flying? Is it because of their light weight and aerodynamics or due to very efficient biochemical transformations (food->energy)?
9
votes
1answer
69 views
Why don't dragonflies wings collapse?
How do dragonflies manage to fly at such high speeds without their wings collapsing? Their wings are thinner than paper, but they do not even flutter. What gives them their strength?