A discovery shows our early ancestors were making tools long before
the emergence of the modern human lineage, researchers say.
«
The emergence of modern human behavior is one of the most important debates happening now,» says archaeologist Daniela Rosso of the University of Bordeaux and University of Barcelona.
A big interactive map traces
the emergence of modern humans in Africa more than 150,000 years ago and how they spread worldwide — travels that have been tracked by studying fossils, artifacts, and the DNA of humans from all over the globe.
Not exact matches
But prior to the
emergence of human experience, what evolved, according to the
modern view, were purely objective entities.
Rather, they write in a paper published online in the Journal
of Anatomy, it appears the chin's
emergence in
modern humans arose from simple geometry: As our faces became smaller in our evolution from archaic
humans to today — in fact, our faces are roughly 15 percent shorter than Neanderthals» — the chin became a bony prominence, the adapted, pointy emblem at the bottom
of our face.
Modern mimic: On his blog, Evolutionary Fitness, Paleo lifestyle coach Arthur De Vany emphasizes exercises that he feels emulate «the activities that were essential to the
emergence and evolution
of the
human species.»
If brain size had anything to do with innovation and creativity, some scientists expected to see a link between the so - called Mind's Big Bang (the
emergence of bone tools and cave paintings that occurred between 50,000 and 70,000 years ago) and the
emergence of modern - size
human brains.
«They reinforce the unity and dynamic nature
of human evolution leading up to the
modern human emergence,» he added.
This was long before
modern human's diaspora from Africa and even long before the evolutionary diversification
of Pygmies in Central Africa and before the
emergence of the hunters and gatherers
of East Africa.
The
emergence of antibiotic resistance in
human pathogens has become a major threat to
modern medicine and in particular hospitalized patients.
Its
emergence has also been tracked by science studies in the contradiction between purified science and the messy process
of knowledge creation, leading to Bruno Latour's troubling claim that the separation
of Human and Nature was an illusion so that «we have never been
modern».