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Supercomputing Helps Reveal Weaknesses in HIV-1 'Armor'

Supercomputing Helps Reveal Weaknesses in HIV-1 'Armor'
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TACC: Frontera HPC Helps Reveal Weaknesses in HIV-1 'Armor'

The Frontera supercomputer at TACC has furthered scientists' understanding of how the HIV-1 virus infects and helped generate the first realistic [.] ....

United States , Jorge Salazar , Owen Pornillos , Gregory Voth , John Briggs , Juanr Perilla , Klaus Schulten , Haigp Papazian Distinguished Service Professor , Texas Advanced Computing Center , Max Planck Institute Of Biochemistry , University Of Delaware , Department Of Molecular Physiology , Department Of Cell , University Of Texas At Austin , Proceedings Of The National Academy Sciences , University Of Chicago , University Of Virginia , University Of Illinois At Urbana Champaign , Editor Jorge Salazar , Distinguished Service Professor , National Academy , Virus Structure , Max Planck Institute , Molecular Physiology , Biological Physics , Blue Waters ,

10 Puzzling Mysteries Solved By Science

10 Puzzling Mysteries Solved By Science
Despite centuries of study, the universe remains largely mysterious, as does the planet we call home. The unknown inspires both wonder and curiosity, which, in turn, often prompt questions. Seeking answers, we gather facts, form hypotheses, and conduct observations or experiments. Sometimes, we remain puzzled. The causes of unlikely phenomena, of seemingly impossible developments, and of strange occurrences continue to mystify us.
At other times, however, we discover, we learn, and our knowledge expands. Nevertheless, new mysteries await. There are always more puzzles to solve. Each time we manage to unravel one of the mysteries of the universe, though, we are inspired again to seek more answers. We are a species with a need to know that can’t be satisfied, even when, through science, we manage to solve puzzling mysteries like the ten on this list. ....

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Cell 'bones' mystery solved with supercomputers

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VIDEO: Subunits B (blue), B-1 (cyan), and B-2 (gray) depicted as ribbon diagrams. Initially bound to B-1, subunit B unflattens, straining contact between subunits until they separate. The resulting loose lateral.
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Credit: Vilmos Zsolnay, University of Chicago.
Our cells are filled with bones, in a sense. Thin, flexible protein strands called actin filaments help support and move around the bulk of the cells of eukaryotes, which includes all plants and animals. Always on the go, actin filaments constantly grow, shrink, bind with other things, and branch off when cells move.
Supercomputer simulations have helped solve the mystery of how actin filaments polymerize, or chain together. This fundamental research could be applied to treatments to stop cancer spread, develop self-healing materials, and more. ....

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