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  1. Science & Society

    Cheese found in an Egyptian tomb is at least 3,200 years old

    Solid cheese preserved in an ancient Egyptian tomb may be the world’s oldest.

    By Cassie Martin
  2. Astronomy

    A galaxy 11.3 billion light-years away appears filled with dark matter

    The “Cosmic Seagull,” a distant galaxy magnified by a gravitational lens, seems chock-full of dark matter, in contrast with other galaxies almost as far away.

    By Lisa Grossman
  3. Tech

    Here’s what robots could learn from fire ants

    Fire ants’ secret to success is prioritizing efficiency over fairness. Robot teams could use that strategy to work more efficiently in tight, crowded quarters.

    By Maria Temming
  4. Materials Science

    A filter that turns saltwater into freshwater just got an upgrade

    Smoothing out a material used in desalination filters could help combat worldwide water shortages.