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Photo: Shutterstock -
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Photo: Shutterstock -
Photo: Shutterstock Depression and Anxiety Might Be Spread Through Kissing
Emotional strain might come with a microbial trail.
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Photo: Jonathan Knowles / Getty Images -
Photo: University of Bayreuth The World’s First Genetically Modified Spider Spins Glowing Red Silk
Spider silk is stronger than steel, ultra-light, and significantly tougher than it seems. Scientists want to enhance it further.
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George Peters / Getty Images
