Sun, Sand, Waves...and Bacteria?

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Elizabeth Halliday spent her summer at the beach, but she wasn't swimming or sunbathing. Instead, the MIT/WHOI Joint Program student traveled to Provincetown three times per week to collect samples of sand and water in order to study the source of bacteria that can lead to periodic beach closures both on the Cape and around the country. (Ken Kostel, Woods Hole Oceanographic Institution)