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The Purple Earth Hypothesis (PEH) is an astrobiological hypothesis, first proposed by molecular biologist Shiladitya DasSarma in 2007, [1] that the earliest photosynthetic life forms of Early Earth were based on the simpler molecule retinal rather than the more complex porphyrin-based chlorophyll, making the surface biosphere appear purplish ...
The excavation found a large walled structure, seemingly built direct into the bedrock without a doorway or floor, and had been infilled by layers of stone, ash, and earth; [10] on the southwest, two paved areas were found, split apart by a further wide wall higher at one end than the other and with a surrounding oval wall. [10]
In 1976, the Society of Professional Archaeologists (SOPA) was founded as a means of vetting and enforcing the accepted standards of archaeological research. [3] These standards set the practical and ethical expectations for archaeological research (e.g., for scientifically-based field methods, prompt reporting, the treatment and curation of ...
Fagan was awarded the 1996 Society of Professional Archaeologists' Distinguished Service Award for his "untiring efforts to bring archaeology in front of the public." He also received a Presidential Citation Award from the Society for American Archaeology in 1996 for his work in textbook, general writing and media activities. He received the ...
The Education Earth Museum, which opened at 475 Main St. on May 12, was founded by Storm Plains, a published author who is an expert on archaeology, UFOlogy, and cryptozoology, which is the study ...
A pediatrician by profession, he became interested in archaeology on a camping trip with his sons where he found some small, triangular points. A distinguished physician, his archaeological research included the study of Caddoan culture , and at a number of major sites such as Poverty Point , John Pearce (just N. of U.S. Hwy 171, a short ...
This site is the center piece of the University of Kentucky's Adena Park and is located on a bank 75 feet (23 m) above Elkhorn Creek.It features a causewayed ring ditch with a circular 105-foot (32 m) diameter platform, surrounded by a 45-foot (14 m) wide ditch and a 13-foot (4.0 m) wide enclosure with a 33-foot (10 m) wide entryway facing to the west.
A screenshot of a viral Reddit post, published Sept. 10. It says, “In the sandhills of North Carolina, bees produce purple honey. It is the only place on Earth where it is found.”