SCIENCE

Machu Picchu was built decades earlier than thought

The mountaintop Inca citadel of Machu Picchu in southern Peru was built and inhabited decades earlier than previously believed, according to new radiocarbon dates of human remains found at the archaeological site. The discovery that Machu Picchu was inhabited by 1420 — and possibly much earlier — has implications for …

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Climate change: Researchers begin discussions on vital report

Against a backdrop of fires and floods, researchers are meeting virtually to finalise a key climate science study. The Intergovernmental Panel on Climate Change (IPCC) is preparing the most comprehensive assessment on the state of global heating since 2013. Over the next two weeks, the scientists will go through their …

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Alabama doctor describes how sick COVID patients ‘beg’ for the vaccine but she can only hold their hand and tell them it is too late

Whilst COVID-19 deaths soar in the USA amongst unvaccinated people, doctors have been pleading with people to get their vaccines. Dr Brytney Cobia, a doctor based in Alabama, made a heartfelt Facebook post this week – sharing the potentially life-saving importance of getting the COVID-19 jab when offered. “I’m admitting …

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