Free Republic

Researchers in South Africa are racing to track the concerning rise of a new variant of the coronavirus that causes COVID-19. The variant harbours a large number of mutations found in other variants, including Delta, and it seems to be spreading quickly across South Africa. A top priority is to track the variant more closely as it spreads: it was first identified in Botswana this month and has turned up in travellers to Hong Kong from South Africa. Scientists are also trying to understand the variant’s properties, such as whether it can evade immune responses triggered by vaccines and whether...

n the first large-scale study of ancient feline DNA, the results reveal how our inscrutable friends were domesticated in the Near East and Egypt some 15,000 years ago, before spreading across the globe and into our hearts. The study was presented at the International Symposium on Biomolecular Archaeology in Oxford, UK back in 2016, and sequenced DNA from 209 cats that lived between 15,000 and 3,700 years ago - so from just before the advent of agriculture right up to the 18th century. Found in more than 30 archaeological sites in Europe, the Middle East, and Africa, these ancient feline...

Modern humans may have picked up key genes from extinct relatives. For a field that relies on fossils that have lain undisturbed for tens of thousands of years, ancient human genomics is moving at breakneck speed. Barely a year after the publication of the genomes of Neanderthals1 and of an extinct human population from Siberia2, scientists are racing to apply the work to answer questions about human evolution and history that would have been unfathomable just a few years ago. The past months have seen a swathe of discoveries, from details about when Neanderthals and humans interbred, to the important...