In May 2020, some unusual rocks containing distinctive greenish crystals were found in the Erg Chech sand sea, a dune-filled region of the Sahara Desert in southern Algeria. On close inspection, the rocks turned out to be from outer space: lumps of rubble billions of years old, left over from the dawn of the Solar ...
Going on a heavy metal detox is all in vogue now. When consuming foods of varying types, people are becoming more aware of things that are getting inside their bodies. A lot of ailments, toxins, and infections are food-borne. Foods with more than the permissible amount of heavy metals can be harmful to human health. ...
Analyzing 12 ancient Egyptian papyri fragments with X-ray microscopy, University of Copenhagen researchers were surprised to find previously unknown lead compounds in both red and black inks and suggest they were used for their drying properties rather than as a pigment. A similar lead-based “drying technique” has also been documented in 15th-century European painting, and ...
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