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    • Dermatologist explains light therapy for skin

      Dermatologist explains light therapy for skin

      Medical Xpress· 7 days ago

      Dermatologists advise their patients to avoid harmful ultraviolet light, which can cause skin damage, photo-aging and skin cancer. Light therapy is a...

    • What is the Universe? - NASA Science

      What is the Universe? - NASA Science

      NASA· 6 days ago

      The universe is everything. It includes all of space, and all the matter and energy that space contains. It even includes time itself and, of course, it...