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Cave art found in Dordogne

Ancient cave art has been found in a cave in Dordogne, France. One of the pieces of art, discovered in the cave of Rouffignac in the Dordogne, is thought to be a 13,000-year-old finger painting created by two and three-year-olds. Jessica Cooney, speaking to the BBC's David Sillito, explains that the most

25,000-year-old human footprints found in Mexico

Five human footprints which may be 25,000-years-old have been found in Chihuahua, Mexico. The footprints correspond to three adults and a child that probably lived in the caves that are located in the sierra, in the Valle de Ahuatos, eight kilometers from the town of Creel, in Chihuahua. According to morphoscopic analysis,

The math behind radiocarbon dating

I was just reading the latest issue of Wired on my iPad and came across this cool article which explains the math behind radiocarbon dating. Living things constantly consume carbon—through photosynthesis, for plants, and for animals, ingestion of those plants. The atmospheric ratio of carbon-14 to regular carbon-12 remains consistent at

2,800-year-old altar found in Mexico

A stone altar which dates back nearly 3,000 years has been found at Chalcatzingo in Mexico. "The discovery shows allow us to understand how they used their objects and how they managed to use them as part of rituals. They usually used bowls during their rituals. This was probably a place