Two articles I've kept bookmarked: A BBC News article from July 2018 Petrichor: why does rain smell so good? https://bbc.com/news/science-environment-44904298/ and another from BBC Northern IrelandJuly 2019 Rain: The science behind the sweet smell of a summer shower https://bbc.com/news/uk-northern-ireland-49092119/ Judy in New Jersey where the last several days have been overcast, leading me to wonder if it is smoke from the dreadful West Coast fires said to have reached New York City, and we are 80 miles west of NYC -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus/ _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…