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Technologies usually are not normally completely products of science, because they need to fulfill requirements similar to utility, usability, and safety. Human's technological ascent started in earnest in what is named the Neolithic Period ("New Stone Age"). The invention of polished stone axes was a significant advance that allowed forest clearance on a big scale to create farms. This use of polished stone axes elevated significantly in the Neolithic, but had been initially used within the preceding Mesolithic in some areas such as Ireland. Agriculture fed bigger populations, and the transition to sedentism allowed concurrently elevating extra youngsters, as infants no longer needed to be carried, as nomadic ones should. travarsa Watson Lecture: The Rhetoric Of Chance In Times Of Pandemic Scientific American maintains a strict coverage of editorial independence in reporting developments in science to our readers. Explore our digital archive back to 1845, together wi