For example, some have argued that the first plague brought upon Egypt, the turning of the Nile River into blood, was actually the result of red soil that had been washed down the Nile, along with reddish organisms called flagellates.
با نگاهی دقیق به خروج ۷ :‏ ۱۴ -‏ ۲۱ متوجه می‌شویم که این معجزه زمانی روی داد که هارون به دستور موسی عصای خود را به رود نیل فرو برد .‏