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
The Secret Life of Plants The Secret Life of Plants The Secret Life of Plants (1973) is a book by Peter Tompkins and Christopher Bird. The book documents controversial experiments that claim to reveal unusual phenomena regarding plants such as plant sentience, discovered through experimentation. It goes on to discuss philosophies and progressive farming methods based on these findings. The book was heavily criticized by scientists for promoting pseudoscientific claims. Christopher Bird was a best-selling author who also wrote "The Divining Hand: The 500-Year-Old Mystery of Dowsing". Peter Tompkins worked as a journalist, as well as a US military intelligence officer for the OSS in