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Scraps of ancient viruses make up 40% of our genome. They could trigger brain degeneration.Our genomes are peppered with DNA segments called retrotransposons that can move from place to place. When unleashed, some can kill nerves and promote inflammation — a discovery that may inspire treatments for neurodegeneration.
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We know humans arose in Africa, but archaeology is only just uncovering secrets of the continent's early civilizationsSmall settlements and the scourge of slavery left gaps in Africa's archaeological record. Yet sites and artifacts are revealing clues to the continent’s more recent history. An archaeologist explains the findings and threats to this heritage.
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Cellular Garbage Disposals Clean UpConstant cleaning is crucial to function properly.
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Cilia: Biology's BroomsTiny, but mighty, the lash-like structures are essential to life.
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Wireless Sensors Monitor Your Thoughts on the FlyElectroencephalography used to require a person to sit still while a computer tracked the brain's electrical impulses. A newer technology untethers this research
