コウモリと共生するウツボカズラ“Nepenthes hemslayana is a Paleotropic carnivorous pitcher plant that provides a safe place for bats to roost; it’s cool and free of parasites and other bats. The bat, in turn, helps the plant by providing extra nitrogen through its feces.”
実験用動物の利用数増加。特にマウス“The number of animals used by the top federally funded U.S. biomedical research institutions has risen 73% over 15 years, a “dramatic increase” driven mostly by more mice, concludes an animal rights group.”
元代の銀採掘による環境汚染 “spiked in Erhai Lake, reaching a peak of 119 micrograms per gram of sediment by 1300 C.E. Heavy metal pollution during the Mongol (Yuan) dynasty was three to four times higher than modern industrialized mining”