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Bacteria Turn MicrogearsGear turned by Bacillus subtilis bacteria.Credit: Courtesy of Igor Aronson Researchers from Argonne National Laboratory have discovered that Bacillus subtilis bacteria have the ability to turn very small gears. These bacteria are aerobic, meaning that they need oxygen for growth and development.... |
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Dancing BacteriaShewanella oneidensis growing on the surface of the iron oxide mineral hematite.Credit: Courtesy of Pacific Northwest National Laboratory Researchers have observed an interesting phenomenon that occurs among Shewanella oneidensis bacteria. These bacteria exhibit dance-like movements after comi... |
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DNA Reveals Earliest Case of LeprosyShrouded Man's HairCredit: Prof. Shimon Gibson Using DNA analysis techniques, researchers have discovered the earliest verified case of leprosy. The evidence was obtained from the discovery of the burial remains of a first century shrouded man near the Old City of Jerusalem. DNA analysis of th... |
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The CytoplasmSquamous CellsNational Cancer Institute The cytoplasm is a component of cells that consists of all of the contents outside of the nucleus and enclosed within the cell membrane. It is a clear, gel-like substance that is composed mainly of water. Substances that can be found within the cytoplasm ... |
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Exposure To Germs Is HelpfulIt is common knowledge that keeping a clean environment is the best way to prevent the spread of germs. Researchers have suggested that ultra-clean environments however, may not be best for children. This type of environment prevents children from being exposed to common germs. This exposure is n... |
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Parasite Inhibits Cell DeathTrypanosoma cruziCDC Researchers have discovered that the parasite Trypanosoma cruzi survives inside its human host by preventing infected cells from triggering cell death. Trypanosoma cruzi causes a potentially life-threatening disease in humans known as Chagas' disease. It causes a life-long i... |
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