Ontario Revamps Science, Technology Curriculum For Elementary College Students

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As the Paleolithic period progressed, dwellings grew to become extra refined and extra elaborate; as early as 380 ka, people had been setting up short-term wooden huts. Clothing, adapted from the fur and hides of hunted animals, helped humanity broaden into colder regions; people started to migrateout of Africa by 200 ka and into different continents such as Eurasia. The discovery and use of fire, a easy energy supply with many profound uses, was a turning point in the technological evolution of humankind. The precise date of its discovery is not recognized; evidence of burnt animal bones at the Cradle of Humankind suggests that the domestication of fireplace occurred before 1 Ma; scholarly consensus indicates that Homo erectus had managed hearth by between 500 and 400 ka. Fire, fueled with wood and charcoal, allowed early humans to cook dinner their meals to increase its digestibility, enhancing its nutrient worth and …