Slash and burn agriculture in southern Mexico . . . the milpas and yamas April 30, 2021April 30, 2021

Did indigenous Americans have repeated contacts with extraterrestrials? April 18, 2021April 18, 2021

Outstanding videos on Puerto Rico from a Native American perspective March 30, 2021

Research Report: Natural and artificial black soils look different under UV light March 15, 2021March 16, 2021

Agricultural Terrace Complexes in Mexico, Guatemala and Georgia February 22, 2021March 3, 2021

Research Update: Ultraviolet light reveals man-made soil February 12, 2021

Did the Southeastern Indians create artificial topsoil? January 31, 2021

Video: Unraveling the Secret Past of Tabasco State, Mexico January 28, 2021March 3, 2021

Mysterious Sub-tropical Forest in the Shenandoah Valley Seems Impossible January 16, 2021January 20, 2021

2021 . . . Back to the Future December 31, 2020December 31, 2020