Pump Fire Drill: The Iroquois invented this ingenious pump drill, which uses a flywheel to generate friction. The crossbar and flywheel are made of hardwood; the spindle and fireboard are made from softwoods (as in the ha
Some inadvertent deaths are unavoidable—wrong place, wrong time. Staying alive requires perceiving threat, feeling dread, and responding. Heres some tips you should know to stay alive in some dangerous situations.