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Clinical Trials

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brain

FEELING OFFBEAT  Briefly disrupting a brain region involved in planning movement with a magnetic pulse hinders a person’s ability to follow a rhythmic beat. (The black square in this heat map indicates the site of highest pulse stimulation.)

graphic of an evidence hierarchy

Evidence hierarchies, one version shown, classify types of studies according to the strength of evidence they provide. But a recent paper challenges the assumptions behind these hierarchies.

Bugula neritina

MARINE MEDICINE A bryozoan called Bugula neritina, shown here, is a natural source of bryostatin 1, which has been studied as a potential drug for many years.

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