Proceedings of the National Academy of Sciences

Medical research

Scientists discover hidden army of lung flu fighters

Scientists have long thought of the fluid-filled sac around our lungs merely as a cushion from external damage. Turns out, it also houses potent virus-eating cells that rush into the lungs during flu infections.

Health informatics

Machine learning promises to accelerate metabolism research

A new study shows that it is possible to use machine learning and statistics to address a problem that has long hindered the field of metabolomics: large variations in the data collected at different sites.

Biomedical technology

Programmable hydrogels could herald a new era in wound care

Hydrogels are engineered materials that absorb and retain water and are currently used in various medical treatments, including dressing wounds. The problem with current hydrogels is that they adhere indiscriminately to all ...

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