Wetting a fountain pen to compose a thank-you note is a grand way to express gratitude for a holiday gift, yet we often dont give a thought to what happens when ink moves from pen to paper.
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Feed SubscriptionUrine Test Predicts Prostate Cancer Risk
By Virginia Gewin of Nature magazine A new screening test makes use of urine, rather than blood, to identify the men most at risk of prostate cancer, and may even provide information about how aggressive a tumor is likely to be. The standard screening test for prostate cancer is a blood test for a protein called prostate specific antigen (PSA)
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