Ink was Invented by the Egyptians

Sometime in 2700 BCE, the Egyptians invented ink from carbon soot mixed with gelatin from boiled animal hides, the mixture was formed into sticks of ink and then liquefied in water as needed. Continue reading

Millet Resistance to Drought

Cultivation of a crop called Millet began in China circa 2700 BCE. Continue reading

Maize Cultivation in Tehuacán Valley

Maize (aka Corn) cultivation in the Tehuacán Valley of the central Mexican state of Puebla, showed up around 2700 BCE. Continue reading