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Evidence of Fire Use by Early Humans May Date Back Nearly 1.8 Million Years

Shaar et al. unveil the oldest evidence of human activity in Wonderwerk Cave, South Africa. Image credit: Michael Chazan.

Scientists have uncovered compelling new evidence that early human ancestors, likely Homo erectus, were deliberately bringing fire into Wonderwerk Cave in South Africa as far back as 1.79 million years ago.

The post Evidence of Fire Use by Early Humans May Date Back Nearly 1.8 Million Years appeared first on Sci.News: Breaking Science News.

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Acheulean Toolmakers Chose Their Stone with Surprising Precision

A reconstruction of Homo longi in his habitat. Image credit: Chuang Zhao.

Geochemical analysis of 780,000-year-old stone tools from Israel suggests Acheulean (or Acheulian) hominins repeatedly sought specific basalt sources, revealing sophisticated planning and deep knowledge of their landscape.

The post Acheulean Toolmakers Chose Their Stone with Surprising Precision appeared first on Sci.News: Breaking Science News.

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If I had a hammer... it might actually be a rhino tooth

One way archaeologists learn how ancient people, including Neanderthals, did things is to attempt to do those things themselves, a process called experimental archaeology. Normally, that involves making stone tools, butchering deer, or distilling birch tar. But in a new study, it meant doing very destructive things to teeth from one of the world’s most carefully protected animals.

That's because the archeologists suspected that Neanderthals once used rhino teeth as tools. By using the teeth to make stone tools, the researchersΒ demonstrated that Neanderthals probably did the same thing,Β adding to what we know about the wide range of items in their toolkits.

We need to hit some rhino teeth with rocks for science

Some Neanderthal archaeological sites in Europe and Asia seem to have many more rhinoceros teeth lying around than you’d expect. We know Neanderthals hunted a now-extinct species of rhinoceros in Europe and eastern Asia, but the people who had inhabited these sites looked like they had been collecting rhino teeth for some reason.

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Β© By Bernard DUPONT from FRANCE - White Rhino Skull, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=55453022

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Upright Walking and Larger Brains May Explain Why 90% of Humans Favor Their Right Hand

Reconstruction of Homo erectus.

New research from the University of Oxford and the University of Reading suggests bipedalism and expanding brain size helped drive the overwhelming dominance of right-handedness in humans.

The post Upright Walking and Larger Brains May Explain Why 90% of Humans Favor Their Right Hand appeared first on Sci.News: Breaking Science News.

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