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Prehistoric desert footprints are earliest evidence for Homo sapiens on Arabian Peninsula

© Paul Breeze, Author provided

© Paul Breeze, Author provided Richard Clark-Wilson, Royal Holloway Humanity originated on the African continent at least 300,000 years ago. We know from fossil evidence in southern Greece and the Levant (modern-day Israel) that some early members of our species expanded beyond Africa around 200,000 years ago, and again between 120,000 to 90,000 years ago. They likely travelled through the …

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Coronavirus is hundreds of times more deadly for people over 60 than people under 40

Death rates vary by demographic, with age and race playing big roles. AP Photo/Kathy Willens

Death rates vary by demographic, with age and race playing big roles. AP Photo/Kathy Willens Nir Menachemi, IUPUI How deadly is SARS-CoV-2, the virus that causes COVID-19? And what are the risks of death for people of different ages and demographics? These have been hard numbers to calculate during this pandemic. To calculate the true death rate – more accurately …

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