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The use of simple stone tools to remove meat and marrow marks a crucial moment in the human story.
The find helped demonstrate that the earliest stone tools had been used to get meat and marrow from large mammals, indicating a dietary shift that might have encouraged human travels to new habitats, in search of game.
As early as 3.4 million years ago, some individuals with a taste for meat and marrow — presumably members of the species best known for the skeleton called Lucy — apparently butchered with sharp and heavy stones two large animals on the shore of a shallow lake in what is now Ethiopia.
The authors say there is no previous direct evidence that meat and marrow formed part of the diet of hominins at this early age.
Many of the bones were covered in cut marks and dents caused by pounding, indicating that the meat and marrow had been removed.
Hypotheses for encephalization in Homo include environmental pressure, predator pressure, social pressure, the opportunities created by dexterous hands, freed from a locomotor role, dietary pressure, the nutritional opportunities created by the increase of meat and marrow in the diet, or a combination of factors.
Similar(49)
Such efforts are the pith and marrow of campaigning.
Indeed, the earliest archaeological traces suggest hominins used tools to gain access to food and that natural selection may have favored those hominin groups with ready access to meat, marrow, and other food items more readily obtainable with tools.
Companions to the meat and its marrow-rich bone in a savory white wine sauce were chopped fresh green vegetables and a big scoop of creamy arborio rice.
Roasted meats and vegetables.
Why organ meats and bone marrow?
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com