The Pennsylvania Academy of Sciences has published Volume 90, issue 2 of the Journal of the Pennsylvania Academy of Science containing the following research articles:

PROBING THE UTILITY OF ISOXAZOLINES AS QUORUM SENSING INHIBITORS OF GRAM-NEGATIVE BACTERIA JESSICA R. KUEHNE, CONNOR M. LINK, IVONNE N. SCHNEIDER, AMY M. DANOWITZ

THE INFLUENCE OF SHIFTED SPECTRAL SENSITIVITIES ON PREDATOR DETECTION ABILITY OF LAKE MALAWI AFRICAN CICHLIDS KELLY M. HANSON AND BRIDGETTE E. HAGERTY

DETECTION OF BORRELIA BURGDORFERI AND BORRELIA MIYAMOTOI IN WHITE- FOOTED MICE, PEROMYSCUS LEUCOPUS, AND BLACKLEGGED TICKS, IXODES SCAPULARIS, IN MONROE COUNTY, PENNSYLVANIA, A LYME ENDEMIC REGION MEAGHAN BIRD AND JANE E. HUFFMAN

CONJUGATIVE COMPETENCY OF MERCURY RESISTANT BACTERIA ISOLATED FROM ONONDAGA LAKE, NY COLLEEN WALSH AND LAURIE F. CASLAKE

TICKS OF BLACK BEARS (URSUS AMERICANUS) FROM NORTHEASTERN PENNSYLVANIA AND TICK-BORNE PATHOGENS ELIZABETH MCGOVERN, J. MISCHLER, M. BIRD, AND J. HUFFMAN