An e-reader, also called an e-book reader or e-book device, is a mobile electronic device that is designed primarily for the purpose of reading e-books and digital periodicals. An e-reader is similar in form, but more limited in purpose than a tablet.-book reading is increasing in the US; by 2014 28% of adults had read an e-book, compared to 23% in 2013.
Fields relating to the environment: 1  Aerobiology (pronunciation) â The study of airborne organic particles.  Astrobiology (pronunciation) â The branch of biology concerned with the effects of outer space on living organisms and with the search for extraterrestrial life.
Fields of Anthropology. There are now four major fields of anthropology: biological anthropology, cultural anthropology, linguistic anthropology, and archaeology. Each focuses on a different set of research interests and generally uses different research techniques. The methods range from those commonly used by the social sciences and humanities to those of biology and geology. Biological anthropology and archaeology are generally the closest to the biological and physical sciences in methods and approach to learning about the human experience.