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Editorial StaffJuly 26, 20235min
From completing life-saving surgeries, to performing heart-gripping music, to fearlessly swimming the English Channel, the possession of paired appendages (arms and legs) is critical to human achievement. However, paired appendages are not unique to humans. Scientists have long known that human limbs evolved from the paired fins found in fishes, but where the first paired fins came from remains one of the great mysteries in evolutionary biology.    Visiting Assistant Professor of Biology Amanda Cass was a co-author of a large, multi-institutional study published in the journal Nature investigating how paired appendages evolved in early vertebrate animals. The study, spearheaded by…

Mike MavredakisJuly 20, 20235min
Two promising young scientists at Wesleyan, Aaron Berson ’24 and Jessica Luu ’24, were chosen for the distinguished Barry Goldwater Scholarship, given annually to hundreds of college sophomores and juniors across the nation pursuing research in the natural sciences, mathematics, and engineering. “Because of their degree of involvement in research, many Wesleyan undergraduates are—if their career plans align with the award—great candidates for the Barry Goldwater Scholarship,” said Erica Kowsz, Assistant Director for Fellowships at the Fries Center for Global Studies. “A real advantage of this scholarship is that it gives students a chance to learn how to write a…

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Mike MavredakisApril 26, 20236min
By amplifying the personal experience of women in Jamaica who are living with HIV/AIDS, Nilukshi Chen ’23 hopes to explore the rampant fear and stigma surround the disease in the island nation. Chen interviewed four women for her senior thesis on the stigma surrounding HIV and sexually transmitted diseases (STDs) in Jamaica. Her thesis, titled “Sounding Subaltern Voices: Conversations with Jamaican Women Living with HIV/AIDS,” considers Spivak’s “Can the Subaltern Speak” to grapple with what it means give a voice to individuals who have been historically voiceless. The term “subaltern” refers to an individual or group who is excluded from…

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Rachel Wachman '24February 17, 202311min
When Frances Ostensen ’24 set sail aboard the SSV Robert C. Seamans this fall, she knew she was in for an adventure.   Ostensen, a biology and Science in Society Program double major who spent the semester abroad with the Sea Education Association (SEA), learned more about the environment, human civilizations, and their endless connections than she ever expected.  Her chosen program, called Sustainability in Pacific Island Communities and Ecosystems, began in Woods Hole, Mass. in October. After flying to the South Pacific in November, Ostensen set sail in a loop around Polynesia alongside seven other students, professors, and crew members…

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Olivia DrakeJune 13, 202218min
While most universities value either pedagogy or scholarship, Associate Professor of Biology Joseph Coolon appreciates how—at Wesleyan—both are celebrated concurrently. "Wes is a truly unique place," he said. "Wesleyan faculty aim to be true scholar-teachers with each benefiting the other synergistically." Coolon, who joined the Wesleyan faculty in 2015 as an assistant professor of both biology and integrative sciences, has since co-authored 13 articles on ecological and evolutionary genomics in peer-reviewed publications such as G3: Genes | Genomes | Genetics; Developmental Biology; and Insect Molecular Biology. Ten of these papers were co-authored by both his graduate and undergraduate students. Together, they…

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Olivia DrakeSeptember 29, 20216min
A team of researchers at Wesleyan has discovered new strains of bacteria—located on the University's campus—that may have the ability to break down microplastics and aid in the world's ongoing plastic waste crisis. Microplastics, which measure less than .20 of an inch, enter the ecosystem— and our bodies— largely through the abrasion of larger plastic pieces dumped into the environment. According to a study published in the Journal of Environmental Science and Technology, the average person consumes at least 50,000 particles of microplastic a year and inhales a similar quantity. "Plastic is typically classified as a non-biodegradable substance. However, some…

Rachel Wachman '24September 23, 20211min
Professor of Biology Sonia Sultan recently co-authored an article titled “Transgenerational effects of parent plant competition on offspring development in contrasting conditions” with BA/MA student Robin Waterman ’20. The article, published in Ecology on Sept. 8, examines the relationship between parent plants and their offspring, especially how competition among such parent plants can alter the next generation. “Conditions during a parent’s lifetime can induce phenotypic changes in offspring, providing a potentially important source of variation in natural populations. Yet to date, biotic factors have seldom been tested as sources of transgenerational effects in plants,” reads an excerpt from the paper’s…

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Rachel Wachman '24June 18, 20212min
Janice Naegele, Alan M. Dachs Professor of Science, dean of the Natural Sciences and Mathematics Division, and professor of biology, is the co-author of three recent publications. Naegele’s work focuses on stem cells and finding new treatments for epilepsy and brain damage. Naegele’s articles include the following: “Induction of temporal lobe epilepsy in mice with pilocarpine,” published by BioProtocol in February 2020. “Development of electrophysiological and morphological properties of human embryonic stem cell-derived GABAergic interneurons at different times after transplantation into the mouse hippocampus,” published by PLoS One in August 2020. “Optogenetic interrogation of ChR2-expressing GABAergic interneurons after transplantation into…

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Rachel Wachman '24June 8, 20212min
The entrance to the Science Library in Exley Science Center houses a taxidermied peacock that has been restored by faculty and students in the biology department. The peacock, originally rediscovered in 2018 and put on exhibit in spring 2019, is part of a bird collection that was first displayed at the museum in Judd Hall and now belongs to the Wesleyan Museum of Natural History. The restoration team, which includes Professor of Biology Ann Campbell Burke, Yu Kai Tan BA/MA ’21, Andy Tan ’21, and Fletcher Levy ’23, recently updated the display to include new signage and fresh peacock feathers…

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Olivia DrakeDecember 17, 20208min
As part of the BIO 173: Global Change and Infectious Disease course, Professor Fred Cohan assigns students to write an essay persuading others to prevent future and mitigate present infectious diseases. If students submit their essay to a news outlet—and it's published—Cohan awards them with extra credit. As a result of this assignment, more than 25 students have had their work published in newspapers across the United States. Many of these essays cite and applaud the University's Keep Wes Safe campaign and its COVID-19 testing protocols. Cohan, professor of biology and Huffington Foundation Professor in the College of the Environment…

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Olivia DrakeOctober 19, 20202min
Wesleyan students, graduate students, and recent alumni will present research posters during the annual Geological Society of America meeting Oct. 26–30. The virtual event will allow for a five-minute presentation followed by a five-minute period to answer questions. Earth and environmental sciences graduate student Yu Kai Tan '20 and Andy (Dick Yee) Tan '21 will present their poster, titled "Freshwater Mussels in North America: Museum Collections and Pre-Industrial Biogeography," at 5:15 p.m. Oct. 29. Their advisors are Ann Burke, professor of biology, and Ellen Thomas, Harold T. Stearns Professor of Integrative Sciences, Smith Curator of Paleontology of the Joe Webb…