
The SciencesAugust 1, 1926
The Testimony of the Jades
The Failure to Locate the Source of the Jade Used by the Maya Indians Does Not Prove that the Mayan Civilization Was an Old World Importation

The Testimony of the Jades
The Failure to Locate the Source of the Jade Used by the Maya Indians Does Not Prove that the Mayan Civilization Was an Old World Importation

What the Earth is Made of

An Apparent Correspondence between the Chemistry of Ingeous Magmas and of Organic Metabolism