The Mayans used stone markers for their ancient sports. Now we just discovered a new one
Experts working in the Chichén Itzá Archaeological Zone have discovered a sports marker that is more than 1,000 years old. ...
Experts working in the Chichén Itzá Archaeological Zone have discovered a sports marker that is more than 1,000 years old. ...
More than 1,000 markers have been defined that can identify prostate, lung and colon cancer, differentiate the most aggressive forms ...
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