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  1. Planetary Science

    The desert planet in ‘Dune’ is plausible, according to science

    Humans could live on the fictional planet Arrakis from Dune but (thankfully) no giant sandworms would menace them.

    By Tina Hesman Saey
  2. Animals

    Giant tortoise migration in the Galápagos may be stymied by invasive trees

    An invasion of Spanish cedar trees on Santa Cruz Island may block the seasonal migration routes of the island's giant tortoise population.

    By Jake Buehler
  3. Health & Medicine

    More than 1 billion people worldwide are now estimated to have obesity

    A new analysis suggests that the prevalence of obesity has doubled in women, tripled in men and quadrupled in children and adolescents from 1990 to 2022.