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Scientists unlock mysteries of world’s oldest ‘computer’

Scientists unlock mysteries of world’s oldest ‘computer’

Science
Prof Tony Freeth / UCLA 2,000-year-old device often referred to as the world's oldest "computer" has been recreated by scientists trying to understand how it worked.The Antikythera Mechanism has baffled experts since it was found on a Roman-era shipwreck in Greece in 1901.The hand-powered Ancient Greek device is thought to have been used to predict eclipses and other astronomical events.But only a third of the device survived, leaving researchers pondering how it worked and what it looked like.The back of the mechanism was solved by earlier studies, but the nature of its complex gearing system at the front has remained a mystery.Scientists from University College London (UCL) believe they have finally cracked the puzzle using 3D computer modelling. They have recreated the entire front pane...
World’s oldest DNA reveals new mammoth lineage

World’s oldest DNA reveals new mammoth lineage

Science
Feb. 17 (UPI) -- The world's oldest DNA, recovered from 1.2-million-year-old mammoth teeth, has offered scientists new insights into the genomic history of mammoths. Scientists recovered and sequenced DNA from the teeth of three mammoth specimens preserved in the permafrost of eastern Siberia. Advertisement Using the latest genomic sequencing technologies, including new methods for distinguishing between mammoth DNA and contaminating DNA from bacteria and humans, researchers were able to sequence the genomes of the the specimens. The sequencing work, described Wednesday in the journal Nature, showed one of the three mammoths was not like the other two. "Two of the specimens belonged to the same genetic lineage, which initially comprised a type of steppe mammoth that later evolved into th...
Oxford: The soggy view from UK’s oldest rain record

Oxford: The soggy view from UK’s oldest rain record

Science
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Dogs are humans’ oldest companions, DNA shows

Dogs are humans’ oldest companions, DNA shows

Science
Dr Pontus Skoglund, co-author of the study and group leader of the Ancient Genomics laboratory at London's Crick Institute, told BBC News: "Dogs are really unique in being this quite strange thing if you think about it, when all people were still hunter gatherers, they domesticate what is really a wild carnivore - wolves are pretty frightening in many parts of the world. Let's block ads! (Why?) BBC News - Science & Environment
Ecuador couple certified as oldest married pair, nearly 215

Ecuador couple certified as oldest married pair, nearly 215

World
Julio Mora slipped away from his parents to secretly marry Waldramina Quinteros one February dayBy GONZALO SOLANO Associated PressAugust 28, 2020, 10:14 PM• 2 min readShare to FacebookShare to TwitterEmail this articleQUITO, Ecuador -- Julio Mora slipped away from his parents to secretly marry Waldramina Quinteros one February day. Both families disapproved.Seventy-nine years later, they're still together — he at 110 years of age, and she at 104, both lucid and both in good health, though relatives say they're a little depressed because they miss their big family get-togethers due to the pandemic.There are longer marriages, but at the moment no other between people so old, according to Guinness World Records — just short of a combined 215 years.Mora was born on March 10, 1910, and Quintero...