Study shows Vikings in Sweden suffered from tooth decay

Vikings in Sweden suffered from painful dental issues and occasionally tried to treat them, according to a study published December 13, 2023, in the open-access journal PLOS ONE by Carolina Bertilsson of the University of ...

Growing biofilms actively alter host environment, study reveals

Dental plaque, gut bacteria and the slippery sheen on river rocks are all examples of biofilms, organized communities of microorganisms that colonize our bodies and the world around us. A recent study led by Penn State researchers ...

Plot thickens in the hunt for a ninth planet

A pair of theoretical physicists are reporting that the same observations inspiring the hunt for a ninth planet might instead be evidence within the solar system of a modified law of gravity originally developed to understand ...

How hairs help fish feel and humans hear

By discovering how zebrafish use their hair cells to detect distant movement, a team of Case Western Reserve scientists may have found a path to help explain human hearing loss.

Got milk? The ancient Tibetans did, according to study

New research into ancient populations that resided on the Tibetan Plateau has found that dairy pastoralism was being practiced far earlier than previously thought and may have been key to long-term settlement of the region's ...

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