rachelignotofsky: “ Wang Zhenyi was one of the greatest scholars in China. She was an astronomer, poet, and mathematician who accurately recorded lunar and solar eclipses and equinoxes. She also wrote political poetry about injustice.
Human Body Ingredients via imaginaryfoundation: 'The average human has approximately 100 trillion cells and each cell is made of approximately 100 trillion atoms, each of which were originally created in the center of a star.' Here it is by mass: http:/