[longshadow]

.... therefore, (leap!) that particular path was chosen from the outset and programmed into the leaf.

I look forward to seeing their model of how the leaf's trajectory is "programmed" into it ahead of time....

[VadeRetro]

I look forward to seeing their model of how the leaf's trajectory is "programmed" into it ahead of time....

Infidel idiot! If we don't understand something, that's only MORE PROOF of supernatural causes.

[Doctor Stochastic]

I look forward to seeing their model of how the leaf's trajectory is "programmed" into it ahead of time....

Perhaps a guidance system comprising Seven Spanish Angles. (If not performing a flamenco on the head of a pin.)