The Philippine Journal of Science (PJS) publishes regularly on a bimonthly (every two months) frequency, releasing issues in February, April, June, August, October, and December each year.

New Locality Records and Echolocation Call Description of Pouched Bat (Saccolaimus saccolaimus) (Chiroptera: Emballonuridae) from the Philippines / Renz Angelo J. Duco, Alyssa M. Fontanilla, Melizar V. Duya, and Mariano Roy M. Duya

Extracellular Protease Characterization of Lactococcus lactis subsp. lactis (LAC3) and Its Application on Protein Hydrolysis toward Indonesian Sea Cucumber (Holothuria sp.) and Lorjuk Shellfish (Solen sp.) as an Antioxidant Alternative / Siswi Sekar Sari, Apon Zaenal Mustopa, Herman Irawan, Ita Ainur Rohmah, Nur Lailiyah Agustina Ayu Zunita, Hafiludin, Adyos Bobby Chandra, and Wendry Setiyadi Putranto

Benham Bank: a Thick Carbonate Bank on the Philippine Rise, West Pacific / Denise Faye S. Janer, Fernando P. Siringan, and Cesar L. Villanoy

Response of Hybrid Sweet Corn (Zea mays L. saccharata) Varieties to the Time of Planting String Bean (Phaseolus vulgaris) Intercrop / Bryan S. Palcon and Berta C. Ratilla

Classical Soundness in Robustness Diagram with Loop and Time Controls / Jasmine A. Malinao and Richelle Ann B. Juayong

Effects of Pre-processing Methods of Pili Nuts (Canarium ovatum Engl.) on Its Nutritional and Mineral Bioavailability / Cristopher G. Millena, Nicole Ivy P. Cañaveral, Lyza B. Colanza, Tonnette Ashley G. Señora, Joana Marie V. Tarog, Sherlyn M. Enovejas, Kristine Mae A. Renovalles, and Sylvester S. Ruivivar

Effect of Storage Time on the Quality of Stingless Bee (Tetragonula biroi Friese) Honey / Hannah Desiree A. Magpantay, Paul Lloydson J. Alvarez, Ma. Desiree Belina-Aldemita, Adonis A. Yanos, and Cleofas R. Cervancia

Chemical Composition, Antimicrobial, and Antioxidant Potential of the Essential Oil from Aerial Parts of Cleome rostrata Bobrov, a Novel Study / Manijeh Joukar, Kambiz Larijani, Mohammad Hossein Farjam, Mohammad Hadi Givianrad, and Fereshteh Nematollahi

Personal Entrepreneurial Competencies among Seaweed Farmers in Sorsogon, Philippines / Richard V. Dumilag, Mark Ariel D. Malto, Maria Luisa P. Mirasol, Ada J. Escopete, Ida T. Capacio, Aireen D. Malto, Stefani Reign B. Tagal, Meliza F. Abeleda, and Edo Andriesse

Characterization of Philippine Rice – a Case of Mixed Rice Variety / Cindy R. Macadaan and Maria Patricia V. Azanza

Comprehensive Analysis of an EMG Based Human-Robot Interface Using Various Machine Learning Techniques / Varun Prakash R. and Kirubakaran G.

Optimizing Agroforestry Plantation in Los Baños, Laguna / Christinne B. Tan and Mark Lexter D. de Lara

Occurrence of Baseodiscus quinquelineatus (Quoy & Gaimard, 1833) (Pilidiophora: Heteronemertea) in Mindanao, Philippines / Jamael Abato, Hiroshi Kajihara, Laurence Calagui, Archie Along, Julius Anthony Leones, Shirlamaine Irina Calagui, and Israel Isaac Salo

In Vitro Effectiveness of Forest Betel Leaf (Piper sarmentosum Roxb.) Extract against Haemonchus contortus Larvae / Elma Pransiska, Debora Jesika, Dewi Klarita Furtuna, Natalia Sri Martani, Agnes Immanuela Toemon, and Arif Rahman Jabal

Current Estimates of Philippine Marine Mollusks Taxonomic Diversity / Abigail A. Garcia and Jonathan A. Anticamara

Review of the Genus Prionispa Chapuis, 1875 (Coleoptera: Chrysomelidae: Cassidinae: Oncocephalini) of the Philippines / Orlando A. Calcetas and Charles L. Staines

Characterization of Pollen Grain and Pollen Extract from Common Allergenic Plants in the Philippines / Krystal M. Hate, Mary Anne R. Castor, Maria Katrina Diana M. Cruz, Gregg Austine M. Balanag, Kent Isaac Salvador, Nicole Angelique L. Sanchez, Roche Dana C. Reyes, Maria Socorro Agcaoili–de Jesus, Cherie C. Ocampo-Cervantes, and Leslie Michelle M. Dalmacio

Characterization and Antioxidant Activities of Different Solvent Extracts of Philippine Stingless Bee (Tetragonula biroi Friese) Pollen Samples / Josephine Farshi, Abigail Joy R. Angelia, Paul Lloydson J. Alvarez, Mark Rickard N. Angelia, Jose Rene L. Micor, and Elmer-Rico E. Mojica

New Distribution Record for Paraspartolus curiosus Gunther, 1939 (Orthoptera: Tetrigidae) with Notes on Taxonomy and Biogeography / Romeo R. Patano Jr., Niko Kasalo, Victor B. Amoroso, Maria Melanie M. Guiang, Fulgent P. Coritico, and Alma B. Mohagan