AI Bias Analysis
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A start-up has worked out how to preserve the brain after death – paving the way for immortality in a distant future. But beginning to reckon with this reality yields serious practical and philosophical questions
Source
New Scientist
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When cells experience enough chronic stress, they can stop dividing permanently. In this state of cellular limbo, known as replicative senescence, cells remain alive but no longer proliferate. Pinpointing the stressors that help trigger or accelerate replicative senescence has proven difficult.
Astronomers have discovered an exceptionally rare radio galaxy that has three distinct pairs of radio lobes. This system falls into a subpopulation of radio galaxies known as "triple-double" radio galaxies (TDRGs). Located nearly 7.5 billion light-years away, this unique system, cataloged as J022248−060934, is only the seventh known example of its kind. A paper outlining this discovery was published in the Monthly Notices of the Royal Astronomical Society on February 25.