It's said that during extended missions, astronauts' calluses vanish from the base of their feet but reappear on the top, because this is suddenly a very crucial body part for keeping them upright and steady.
People here at Huntington Beach have found tar balls on the bottoms of their feet and on their skin, which Orange County public health officials warn could cause skin irritation.
You're tiptoeing through your lounge late at night, and suddenly that stabbing pain, the expletives and the inevitable question: " Why do we have so much of this stuff all over the place? "
Some scientists now think that there could be as much as 100 trillion tons of bacteria living beneath our feet in what are known as subsurface lithoautotrophic microbial ecosystems- SLiME for short.
Scientists are generally agreed that the world beneath us is composed of four layers, rocky outer crust, a mantle of hot, viscous rock, a liquid outer core, and a solid inner core.