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How do nanoplastics affect oysters?
New research published in the journal
Chemosphere considers the adverse effects on oysters resulting from the combination of nanoplastics and arsenic. Conducted as part of a collaboration between the Institut national de la recherche scientifique (INRS) in Québec City and the French National Centre for Scientific Research (CNRS) at the University of Bordeaux in France, the study reports on the ways that the bioaccumulation of materials impact the biological functions of oysters. Oysters easily accumulate metals from the environment into their tissues. We therefore wanted to test whether the combined exposure to nanoplastics and arsenic would increase the bioaccumulation of this contaminant, explained researcher Marc Lebordais, noting that arsenic, is one of the most common metals found in nanoplastics on the beaches of Guadeloupe.
Prehistoric cemetery in Sudan shows war has been hell forever Reuters 1 hr ago
By Will Dunham
WASHINGTON (Reuters) - All was not well among the peoples who inhabited the east bank of the Nile River in northern Sudan some 13,400 years ago, as revealed by the battered bodies buried in a cemetery at one of the world s oldest sites showing human warfare.
Researchers said on Thursday a re-examination of remains from the Jebel Sahaba cemetery excavated in the 1960s provides new insight into this prehistoric bloodshed, including evidence that there had been a succession of violent encounters rather than a single deadly showdown as previously believed.
Healed trauma on remains found in the Jebel Sahaba cemetery on the edge of the Sahara desert indicates that individuals fought and survived several violent assaults, rather than fighting in one.
Research shows that the exposure of oysters to nanoplastics and arsenic, one of the most common metals absorbed by the plastic debris, could affect their biological functions.