
1. Ball Lightning This bizarre electrical phenomenon usually occurs during thunderstorms and lasts for up to thirty seconds. Balls of lightening are said to behave in strange ways, hovering, rolling, hissing and sometimes passing through walls, in a way that seems completely unnatural. As a result, ball lightening has long been associated with aliens and ghosts, and the kind of pseudo-psychic head-cases who believe they can communicate with the other side. Thousands of people throughout history have reported seeing ball lightening, including Benjamin Franklin and my grandmother, but until recently their claims were largely ignored. However, with...