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Vaccine Week: A Brief History and How Vaccines Work
Surprising Science discusses the history and science of vaccines
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The Country’s Most Dangerous Beetles
Invasive beetles of various colors and sizes have infiltrated U.S. forests, despite efforts by government experts
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Picture of the Week—Spiny Sowthistle
The spiny sowthistle (Sonchus asper) is a flowering plant that grows up to three feet tall and sprouts small yellow flowers
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