Ancient DNA analysis has revealed an involvement of the bacterial pathogen Yersinia pestis in several historical pandemics, including the second plague pandemic (Europe, mid-14(th) century Black Death until the mid-18(th) century AD).
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Once the weighted end of the pendulum is released, it will become active as gravity pulls it downward. Potential energy is converted to kinetic energy, which is the energy exerted by a moving object.
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Fought for the political and social rights of African Americans.
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The Royal Society was established on the 28th November 1660, at first for philosophers and physicians. Today, it is known as the UK's 'national science academy'.
