Allergy is an inappropriate immune response to otherwise harmless antigens. Allergy requires initial sensitization with a specific antigen. The subsequent exposure to the same antigen can then ...

Here the authors combine 17 O solid-state NMR spectroscopy and DFT calculations to probe the structures of Pt/CeO 2 single atom catalysts, gaining insights into their structure-activity relationships.

Pollen and Air Quality forecast for San Juan, PR with air quality index, pollutants, pollen count and pollution map from Weather Underground.

Pollen and Air Quality forecast for Denver, CO with air quality index, pollutants, pollen count and pollution map from Weather Underground.

Earth Science News. From earthquakes and hurricanes to global warming and energy use, read the latest research news here.