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Ancient people brushed their teeth as early as 5-3 millennium BC. e. They chewed tree resin and beeswax to clean their mouths. Later, salt, charcoal, plant fragments and...

Bioprinters use human cells instead of ink. Yes, scientists have long sought to create viable organs and parts of the human body using a 3D printer. Unlike conventional...

The mummy of an ancient Egyptian girl named Shep-an-Isis was found in 1819 in the complex of temples and tombs of Deir el-Bahari. Almost immediately, the find was taken...