A new take on the 19th-century skull collection of Samuel Morton

In the 1830s and 1840s, American craniologist Samuel Morton collected and measured hundreds of human skulls in what he described as an attempt to compare the brain size of five human racial groups. At nearly the same time, ...

Philly refinery fails to include public input in cleanup efforts

Over a decade of remediation planning and regulatory approvals at Philadelphia's neighborhood refinery has occurred without the benefit of municipal or public involvement, says a new report from the Kleinman Center for Energy ...

Testing the reproducibility of social science research

Today, in Nature Human Behavior, a collaborative team of five laboratories published the results of 21 high-powered replications of social science experiments originally published in Science and Nature, two of the most prestigious ...

Dental plaque is no match for catalytic nanoparticles

Combine a diet high in sugar with poor oral hygiene habits and dental cavities, or caries, will likely result. The sugar triggers the formation of an acidic biofilm, known as plaque, on the teeth, eroding the surface. Early ...

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