Biomagnification, also known as bioamplification or biological magnification, is the increase in concentration of a substance, such as the pesticide DDT, that occurs in a food chain as a consequence of: • Persistence ( Can’t be broken down by environmental processes) • Food chain energetics • Low (or nonexistent) rate of internal degradation/excretion of the substance (often due to water-insolubility) …

The human body contains about 48 liters of water. But this body fluid is not pure water. It is actually a salt solution. Why is this so. According to one scientific theory, all land animals, including man, are descendants of organisms that once lived in the sea water, and when they left life in their body fluid. Thus, the body …

Wiki is a piece of server software that allows users to freely create and edit Web page content using any Web browser. Wiki supports hyperlinks and has a simple text syntax for creating new pages and crosslinks between internal pages on the fly. Wiki is unusual among group communication mechanisms in that it allows the organization of contributions to be …

Ivan Petrovich Pavlov was a Russian physiologist, psychologist, and physician. He was awarded the Nobel Prize in Physiology or Medicine in 1904 for research pertaining to the digestive system. Pavlov is widely known for first describing the phenomenon of classical conditioning. Pavlov contributed to many areas of physiology and neurology. Most of his work involved research in temperament, conditioning and …

Multimedia Messaging Service, or MMS, is a standard way to send messages that include multimedia content to and from mobile phones. It extends the core SMS (Short Message Service) capability that allowed exchange of text messages only up to 160 characters in length. The most popular use is to send photographs from camera-equipped handsets, although it is also popular as …

Google groups are online communities whose interaction is facilitated by Google, which has revolutionized the world of networking. This facility helps people who share common interests to form groups. Google offers access to the happenings and calendars of these networking groups from across the world. The groups are split broadly into art and entertainment, university, computer, home, news, business, recreation …

Crowdsourcing is the act of outsourcing tasks, traditionally performed by an employee or contractor, to an undefined, large group of people or community (a “crowd”), through an open call. Jeff Howe, one of the first authors to employ the term, established that the concept of crowdsourcing depends essentially on the fact that because it is an open call to an …

Clinton Richard Dawkins, FRS, FRSL (born 26 March 1941), known as Richard Dawkins, is a British ethologist, evolutionary biologist and author. He is an emeritus fellow of New College, Oxford, and was the University of Oxford’s Professor for Public Understanding of Science from 1995 until 2008. Dawkins describes his childhood as “a normal Anglican upbringing”. Though he began having doubts …

Brahmagupta (598–668 CE) was an Indian mathematician and astronomer who wrote many important works on mathematics and astronomy. His best known work is the Brahmasphutasiddhanta (Correctly Established Doctrine of Brahma), written in 628 in Bhinmal. Its 25 chapters contain several unprecedented mathematical results. Brahmagupta is believed to have been born in 598 AD in Bhinmal city in the state of …

Avicenna – Abu Ali al-husayn ibn Abd Allah ibn Sina Born: 980 CE approx Worked: The Canon of Medicine, The Book of Healing, Logic, Metaphysics, Physics, De Caelo, The Life of Ibn Sina, Remarks and Admonitions, Essay on the Secret of Destiny, The Book of Scientific Knowledge. Died: 1037 CE approx Abu Ali al-usayn ibn Abd Allah ibn Sina, also known …