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Intermolecular Bonding in Polymers

There are more than 100,000 people in the United States in need of a healthy organ, whether liver, kidney, heart, or something else. Wouldn't it be great if instead of having to wait for a donor, [...]

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HIV: Sequencing and Common Ancestry

Using DNA analysis, researchers were able to effectively trace the evolution of HIV backwards in time to find the common ancestor of HIV samples circulating among humans today. Why is that [...]

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Kinematics, Impulse, and Human Running

What separates the gold medal sprinters from the casual weekend jogger...besides the intense training, of course? Thanks to a careful analysis of human runners and good old-fashioned physics, we [...]