Uncategorized

  1. Space

    Six months in space leads to a decade’s worth of long-term bone loss

    Even after a year of recovery in Earth’s gravity, astronauts who’d been in space six months or more still had bone loss equal to a decade of aging.

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  2. Health & Medicine

    New COVID-19 boosters could contain bits of the omicron variant

    The omicron variant is different enough from the original version to require an update to COVID-19 vaccines, experts say.

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  3. Paleontology

    Megatooth sharks may have been higher on the food chain than any ocean animal ever

    Some megalodons and their ancestors were the ultimate apex predators, outeating all known marine animals, researchers report.