Nearly half of U.S. schools now offer in-person learning

Nearly half of the public schools in America are now holding in-person classes, with white children far more likely to be in those classrooms than Black, Hispanic or Asian students, the first federal data on the state of ...

China reports progress in swine fever vaccine trials

A vaccine developed in China for African swine fever, which devastated the country's pig herd and caused pork prices to soar, is progressing smoothly, according to results reported on Wednesday.

COVID-19 puts new science to the pressure test

By its very nature, science rarely offers a quick fix. New technologies and medicines often take years to prove that they are safe and effective. Yet the surging COVID-19 pandemic is forcing scientists to condense this process ...

Nanotechnology delivers hepatitis B vaccine

Brazilian and European researchers have demonstrated exactly how a nanotechnology-based compound delivers an oral vaccine against hepatitis B to the immune system. When particles containing silica and an antigen combine, ...

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