Nature World News: Officials from Tokyo Electric Power Company (TEPCO) suspect that steam rising out of the top of a destroyed nuclear reactor at the beleaguered Fukushima Daiichi nuclear campus is the result of rainwater somehow making its way into the building, but workers onsite are prepared to douse the reactor with boric acid, should a sustained nuclear reaction begin to occur.
At the beginning of the day Thursday, a TEPCO worker preparing for debris removal work encountered a "steam-like gas" wafting through...