Science, Space and Technology News 2024
During a near-shore Beaufort Sea sampling campaign in July 2023, PhD student Emma Bullock sampled ocean water with recent meltwater inputs to test for radium isotopes, trace metals, carbon, nutrients, and mercury. Credit: Paul HendersonPhD candidate Emma Bullock studies the local and global impacts of changing mineral levels in Arctic groundwater.
“Even though I am doing foundational science, I can link it directly to communities in that region that are going to be impacted by the changes that we are seeing,” she says. “As the mercury escapes from the permafrost, it has the potential to impact not just Arctic communities but also anyone who eats fish in the entire world.”Growing up in rural Vermont, Bullock spent a lot of time outside, and she attributes her strong interest in environmental studies to her love of nature as a child.
Bullock majored in chemistry because Haverford did not offer an environmental science major. To gain experience in environmental research, she joined the lab of Helen White, focusing on the use of silicone bands as passive samplers of volatile organic compounds in honeybee hives. A pivotal moment occurred when Bullock identified errors in a collaborative project. She says, “ brought the information about flawed statistical tests to the collaborators, who were all men.
As she reached the end of college, Bullock knew that she wanted to continue her educational journey in environmental science. “Environmental science impacts the world around us in such visible ways, especially now with climate change,” she says. She submitted applications to many graduate programs, including to MIT, which was White’s alma mater, but was rejected by all of them.
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