The Lexical Hypothesis and Factor Models
Inventor of the Gaia Hypothesis, James Lovelock's latest book trashes "renewables" and endorses Nuclear Energy ..
This becomes known as the Lexical Hypothesis
What heads that list may well be the primary trait that led to UP’s dominance of Earth: their mastery of language. Although social communication via sound may have and perhaps even earlier, and had , and Neanderthals had , scientists strongly suspect that the mastery of language that today’s humans display probably allowed humans to rapidly develop their technology and culture. It was humanity’s first Internet: a way to communicate ideas and information in a way previously unfeasible and even unimaginable, at a level of sophistication that no other land animal ever achieved. That invention provided the opportunity for sharing complex ideas, which created positive feedback loops that allowed for quicker cultural and technological advances. That is not fanciful speculation; linguistics, the study of brain abnormalities, and genetics testing has converged on what seems the most plausible hypothesis today, although in these areas the controversies can be fierce.
has been a prominent hypothesis that posited that behaviorally modern humans suddenly appeared. It was once considered an abrupt event that began about 50-40 kya, but as new archeological finds are amassed, as well as recent advances in genetic research and other areas, the story is familiar. Although on the geological timescale the event was abrupt, radical, and unprecedented in life’s history on Earth, the “ramping” period seems to have lasted longer than initially thought. A likelier story is that in East Africa, which conforms to a . inherited culture and tools from their ancestors and continued along the path of inventing more complex technologies and techniques, exploiting new biomes, and reaching new levels of cognition. There does not seem to be any or development that needs to invoke divine or extraterrestrial intervention to explain the appearance and rise of . Some migrated past their African homeland during the of 130 kya to 114 kya and brought along their technology. Although they may have disappeared and perhaps became Neanderthal prey, vestiges of their fate are probably yet to be discovered. They may have contributed to the biological and technological wealth of Eurasian humans and may have begun to drive vulnerable species to extinction with their new tools and techniques. However, Africa remained the crucible of primate biological and technological innovation, as it almost always had to that time. By 70-60 kya, isolated African humans reached a level of sophistication called behavioral modernity. Art was in evidence, needles made clothes and other sophisticated possessions, and they mastered language, which was probably a unique trait among land animals. They made tools of a sophistication far advanced over other humans, which probably included projectile weapons that radically changed the terms of engagement with prey animals, predators, and other humans.
02/12/2016 · We asked a Smithsonian ..
Another key set of tensions are those between theorists, empiricists, and inventors. Theorists attempt to account for scientific data and ideally predict data yet to be adduced, which tests the validity of their hypotheses and theories. often produce that scientific data. Inventors create new technologies and techniques. Albert Einstein is the quintessential example of a theorist, who never performed experiments relating to his theories but accounted for experimental results and predicted them. , who performed the experiment that produced results that various scientists wrestled with for a generation before Einstein proposed his , never suspected that their experiment would lead to the theories that it did. The most important experiments in science’s history were often those producing unexpected results and were usually called failures. Einstein’s had no experimental evidence when he proposed it (it , but that was the only evidence for it when the theory was proposed), but it has been confirmed numerous times since then. Einstein expected that his theories would eventually be falsified by experimental evidence, but that the best parts of his theories would survive in the new theories.
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Hypothesis Test for Mean
Home page of Professor Karl T. Ulrich Wharton University Pennsylvania
21/06/2011 · Inventing a language from scratch might seem like an odd way to spend your ..
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