After completing a rigorous training and selection program, three Yucatecan students, José Antonio Bernal Massa, Víctor Gerardo Vázquez Basto, and Dana Karen …
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mathematics
Students from 81 countries took the OECD exam; pandemic affected learning, experts say. Of the 81 countries that participated in the Program for …
The Maya had an elaborate calendrical system, no longer in use, which evolved in complete isolation from those of the old world. …