a child spontaneously and precociously masters single-word reading. hyperlexia It can be viewed as a superagility, that is, word recognition ability far above expected levels. The more common definition also includes difficulties with comprehension of printed material beyond or even at the single-word level. Many hyperlexic also have trouble understanding speech. Most or perhaps all children with...
Hepatitis (plural hepatitides) Hepatitis The name is from the Greek the root being heat-), meaning liver, and suffix -it is, meaning “inflammation” (c. 1727). The condition can be self-limiting (healing on its own) or can progress to fibrosis (scarring) and cirrhosis. Hepatitis may occur with limited or no symptoms, but often leads to jaundice, anorexia (poor appetite) and malaise...
Auditory perception Audition is the ability to perceive sound by detecting vibrations, changes in the pressure of the surrounding medium through time, through an organ such as the ear. Sound may be heard through solid, liquid, or gaseous matter. It is one of the traditional five senses; partial or total inability to hear is called loss.The outer ear includes the pinna, the visible part of the...
Headache In medicine, a headache or cephalalgia is a symptom of a number of different conditions of the head and sometimes neck. Headache Some of the causes are benign while others are medical emergencies. It ranks among the most common pain complaints. There are a number of different classification systems. The most well recognized is that of the International Headache Society. Treatment of a...
Ebola virus disease (EVD) (or Ebola hemorrhagic fever (EHF)) is the name for the human disease which may be caused by any of four of the five known ebolaviruses. Ebola virus (EBOV) causes severe disease in humans and in nonhuman primates in the form of viral hemorrhagic fever. EBOV is a select agent, World Health Organization Risk Group 4 Pathogen (requiring Biosafety Level 4-equivalent...
Astrology is a technique whose predictions are open for personal interpretation by the astrologer reading a chart. Our lives are not just influenced by the plants in our solar system, but by the collective unconscious in which we experience this reality. Astrology taken as a guide can be helpful, but is not perfect. An astrological system written long ago, may not take into account the...
Dysgraphia is a deficiency in the ability to write, primarily handwriting, but also coherence. transcription disability, meaning that it is a writing disorder associated with impaired handwriting, orthographic coding (orthography, the storing process of written words and processing the letters in those words), and finger sequencing (the movement of muscles required to write). It often overlaps...
Zeta Reticuli is a wide binary star system in the southern constellation of Reticulum. From the southern hemisphere the pair can be seen as a naked eye double star in very dark skies. Based upon parallax measurements, this system is located at a distance of about 39 light-years (12 parsecs) from the Earth. Zeta2 Reticuli is orbited by a circumstellar debris disk. Both stars are solar analogs that...
Cancer also known as a malignant tumor or malignant neoplasm involving abnormal cell growth with the potential to invade or spread to other parts of the body. Not all tumors are cancerous; benign tumors do not spread to other parts of the body. Possible signs and symptoms include: a new lump, abnormal bleeding, a prolonged cough, unexplained weight loss, and a change in bowel movements among...
A wormhole or Einstein-Rosen bridge is a hypothetical topological feature that would fundamentally be a shortcut connecting two separate points in spacetime. A wormhole, in theory, might be able to connect extremely far distances such as a billion light years or more, short distances such as a few feet, different universes, and different points in time. A wormhole is much like a tunnel with two...