Fern fern ("Onoclea sensibilis"). Giant water fern ("Salvinia molesta") is one of the world's worst aquatic weeds. The important fossil fuel coal consists of the remains of primitive plants, including ferns. Ferns have been studied and found to be useful in the removal of heavy metals, especially arsenic, from the soil. Other ferns with some economic significance include: The study of ferns and other pteridophytes is called pteridology. A pteridologist is a specialist in the study of pteridophytes in a broader sense that includes the more distantly related lycophytes. Pteridomania is a term for the Victorian era craze of fern collecting
Study of the Hebrew language Study of the Hebrew language Study of the Hebrew language has an ancient history. Since Hebrew is the original language of the Hebrew Bible (known as the Torah and Tanakh), it is therefore a language that has always been central to Judaism and valued by the Jewish people for over three thousand years and later by Christian scholars as well. The beginnings of the study of Hebrew are found in the Talmud and Midrash, which have some grammatical notes. The Masoretes continued the study as they fixed the text and vocalization of the Hebrew Bible. Under the influence of the