Early humans living in southern Africa in the Middle Stone Age after 65,000 years ago used advanced heating techniques to produce silcrete blades, according to a new study. This image shows heated silcrete artifacts made by Middle Stone Age humans at Klipdrift Shelter, South Africa. Image credit: Katja Douze / …
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Link building had been unfairly hyped up a few years back. That led to an implosion of black hat practices. Google clamped down on shady link building strategies and we are back to where we started with search engine optimization. There are more mediums or platforms to build organic links …
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By Dr. Sahil Singh, Dentistry Although the entire population of the word has been accustomed to the practice brushing and flossing teeth for a long time, most people are often surprised to learn that they have not been doing it properly. For example, the minimum time duration required for a person to …
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