Navigating the world is no mean feat, especially when the world pushes back. For instance, airflow hitting a fly on its right side can, after a turn, become a headwind. To stay on course, the fly's ...

LAUNCH: 1 = Lower, 5 = Higher. “Lower” is like a stinger, below optimal height but with the velocity of a liner back up the middle. “Higher” rises surprisingly quickly and floats well above the ...