Inner Workings of Arsenic DNA Methylation Targets Offer Clues to Mechanisms of Toxicity Arsenic is a known human carcinogen, although it’s unclear how it causes cancer. Some studies have suggested that epigenetic modifications—specifically DNA methylation—may play a role in arsenic toxicity. In this issue of EHP, investigators identify genespecific DNA methylation targets in white blood cells i...

the present paper aims at clarifying the role of the concept “walåyah” in the philosophy of the unity of being in islamic philosophy (waedat al-wujid). the concept “walåyah” is deeply built into the philosophic system of the islamic theory of being, and moreover the dynamic aspect of this concept has always activated islamic philosophy of existence and stimulated the thought of islamic philosop...

â  â  ibn al-amid’s poetry â â â â â  s.f. mirghaderi * â  hossein kiani** â  â  abstract â  ibn al-amid is one of the most distinguished writers of the arabic literature who is believed, even by his contemporary critics, to be at the top of his profession due to the unique characteristics of his writings. besides being a writer, ibn al-amid also had a taste in composing poems. his poems are ...