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  1. Physics

    Quantum Bull’s-Eye: Particle-mass prediction hits the mark

    By precisely predicting the mass of a subatomic meson, physicists have demonstrated they have the computational know-how to calculate real-world details from quark basics.

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  2. Animals

    New Mammals: Coincidence, shopping yield two species

    Researchers have identified a new species of monkey in Africa and a rodent in Asia that belongs to a new family among mammals.

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  3. Health & Medicine

    Baby Rescue: Cord blood saves infants with rare disease

    Using umbilical cord blood, doctors can rescue babies from Krabbe's disease, a lethal enzyme deficiency that causes brain damage.

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  4. Perfect Match: Embryonic stem cells carry patients’ DNA

    By priming embryonic cells with genetic material from people with problems that stem cells may one day treat, researchers have isolated 11 new lines of stem cells that exactly match the patients' own DNA.