From sushi to soups, seaweed is a popular food around the world because it adds delicious flavors and beneficial nutrients to dishes. However, it might also expose consumers to heavy metals that accumulate in the fronds before they’re harvested. Learning more about how these extremophiles survive in hostile conditions could inform scientists about life on Earth and potential life on other planets. In the current study, 18 subjects with no motor impairments trained an interface through a car racing game and simple task balancing the left and right sides of a digital bar. Researchers sequenced the genomes of 23 ancient Adélie penguin specimens dating back over 46,000 years in addition to samples from 26 modern Adélie penguins. Genetic analysis of microbiomes extracted from 4,000-year-old teeth show both similarities to today’s oral microenvironment as well as major differences and changes that seemingly coincide with the popularization of sugar and industrialization. |
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