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This 1463-day-old mouse is part of a long-lived cohort at The Jackson Laboratory. PHOTO: JENNIFER TORRANCE/THE JACKSON LABORATORY

Death–defying experiments

The longest lived laboratory animals shed light on the forces that lead some to any early grave and others to beat the odds and see…

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HIV (shown schematically here in a model derived from 3D electron microscopy) dodges antiretroviral drugs by stitching its DNA inside of chromosomes, creating reservoirs of latent virus. Credit: Donald Bliss/NLM/NIH, Sriram Subramaniam/CCR/NCI/NIH

Designer antibodies may rid body of AIDS virus

Anti-HIV drugs have extended life for millions of people, but they have never eliminated the virus from anyone. That’s because HIV integrates its genetic material…

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