A venomous eight-inch-long spider native to Asia, whose palm-sized females cannibalize their male mates, is flying up America's east coast and spreading out west. Experts say the Jorō spider can fly 50 to 100 miles at a stretch, using their webbing as a parasail to glide in the wind, and it's now also hitching rides up east coast highways - but the creatures aren't known to pose a threat to humans or pets. However, the jury is still out on the impact that this giant spider, which is believed to have first arrived in the US a decade ago via...