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  1. Health & Medicine

    A newfound blood biomarker may one day predict longevity

    Levels of six RNA molecules in the blood ID’d older adults likely to survive two more years. Whether it will work for other people is a big question.

    By Isha Ishtiaq
  2. Climate

    Why we fail to notice climate change

    People quickly normalize extreme weather. Simple visuals highlighting abrupt change could help climate change break through our mental blind spots.

    By Sujata Gupta
  3. Paleontology

    A large fossil leg bone hints at T. rex’s origins, but scientists disagree

    A new analysis of a large fossil shinbone suggests T. rex ancestors came from North America instead of Asia.