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  1. 19723

    I won’t state that “dark matter” hasn’t been discovered. However I disagree that empirical evidence for it is demonstrated in this collision. Other phenomena that could explain the images include excitation of preexisting gases or imaging artifacts. Nowhere in the article does it state that the mass of “dark matter” was actually observed passing unimpeded […]

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  2. Health & Medicine

    Breast milk may not be enough

    Breast-fed infants need vitamin D supplements, at least in winter.

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  3. Placebo predictions

    Giving patients placebo pills for a week before they begin to participate in trials of antidepressants can help clinicians gauge how well they will respond to the actual medication.