Science-fiction writers have arrived at analogous solutions to the grandfather paradox: murderous grandchildren are inevitably stopped by something faulty pistols, slippery banana peels, flyingsquirrels, consciences before the impossible deed can be carried out.
The 400, 000-acre Ocala National Forest is a tangle of springs, sand-pine scrub and subtropical forest that is home to raccoons, flyingsquirrels, otters and black bears, as well as many species of bird.