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  1. Which animal should scare you more?

    Editor in Chief Nancy Shute discusses which should scare you more: sharks or ticks and fungus — and why sharks might actually be the least of your worries.

    By Nancy Shute

  2. Readers react to ancient hunting tactics, dog obesity and narwhal play

    By Science News Staff
  3. Health & Medicine

    Cancer DNA is detectable in blood years before diagnosis

    Tiny, newly formed tumors shed small fragments of DNA that are swept into the bloodstream. Future cancer screening tests could detect them early.

    By Meghan Rosen
  4. Health & Medicine

    Want to eat healthier? Add to your diet, rather than limit it

    Nutrition experts say add more greens and beans to your diet; cooking classes can teach people to make these nutrient-dense foods taste delicious.