Malaria is a mosquito-borne infectious disease that affects humans and other animals. Malaria causes symptoms that typically include fever, tiredness, vomiting, and headaches. In severe cases it can cause yellow skin, seizures, coma, or death. Symptoms usually begin ten to fifteen days after being bitten by an infected mosquito. If…
View More Thematic: Diseases – MalariaCategory: Websites
Stamp Collecting: Storage
A few basic items of equipment are recommended for proper stamp collection. One of the most important of these is storage. Stamp hinges were once a cheap and simple way to do this. However, hinging stamps can damage them, thus reducing their value; today many collectors prefer more expensive hingeless…
View More Stamp Collecting: StorageThematic: Religion
Religion is a social-cultural system of designated behaviors and practices, morals, worldviews, texts, sanctified places, prophecies, ethics, or organizations, that relates humanity to supernatural, transcendental, or spiritual elements. However, there is no scholarly consensus over what precisely constitutes a religion. Different religions may or may not contain various elements ranging…
View More Thematic: ReligionThematic: Zoology – Malacology – Conchology
Conchology is the study of mollusc shells. Conchology is one aspect of malacology, the study of molluscs; however, malacology is the study of molluscs as whole organisms, whereas conchology is confined to the study of their shells. It includes the study of land and freshwater mollusc shells as well as…
View More Thematic: Zoology – Malacology – ConchologyThematic: Health Physics
Health physics, also referred to as the science of radiation protection, is the profession devoted to protecting people and their environment from potential radiation hazards, while making it possible to enjoy the beneficial uses of radiation. Health physicists normally require a four-year bachelor’s degree and qualifying experience that demonstrates a…
View More Thematic: Health PhysicsThematic: Zoology – Mammalogy
In zoology, mammalogy is the study of mammals – a class of vertebrates with characteristics such as homeothermic metabolism, fur, four-chambered hearts, and complex nervous systems. Mammalogy has also been known as “mastology,” “theriology,” and “therology.” The archive of number of mammals on earth is constantly growing, but is currently…
View More Thematic: Zoology – MammalogyThematic: Medicine – Dentistry
Dentistry, also known as dental medicine and oral medicine, is a branch of medicine that consists of the study, diagnosis, prevention, and treatment of diseases, disorders, and conditions of the oral cavity, commonly in the dentition but also the oral mucosa, and of adjacent and related structures and tissues, particularly…
View More Thematic: Medicine – DentistryThematic: Musicology
Musicology is the scholarly analysis and research-based study of music. Musicology departments traditionally belong to the humanities, although some music research is scientific in focus (psychological, sociological, acoustical, neurological, computational). A scholar who participates in musical research is a musicologist. Musicology traditionally is divided in three main branches: historical musicology,…
View More Thematic: MusicologyThematic: Art
Art is a diverse range of human activities in creating visual, auditory or performing artifacts (artworks), expressing the author’s imaginative, conceptual ideas, or technical skill, intended to be appreciated for their beauty or emotional power. Other activities related to the production of works of art include the criticism of art,…
View More Thematic: ArtThematics: Science
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. The earliest roots of science can be traced to Ancient Egypt and Mesopotamia in around 3500 to 3000 BCE. Their contributions to mathematics, astronomy, and medicine entered and shaped…
View More Thematics: Science