宇宙最強の暗黒物質 www 2000万ベクレル/kgも夢じゃないぜ! Source: “Real” mystery black substance NOT yet measured ? Possibly 20,000,000 Bq/kg of cesium ? Many times more radioactive than local official’s sample ? “It is too dangerous and must be yzed by public institutions” (PHOTOS) http://enenews.com/source-real-mystery-black-substance-measured