The surface of every part of the body, inside and out, is covered with a protective layer, or layers, of tightly packed cells called epithelia. The largest, thickest and most complex of these epithelial tissues is the skin which covers the whole of the outside of the body. The skin itself is made of two principal layers. The outer layer …
Read More »What is otolaryngology?
Otolaryngology is the medical speciality that studies the ear, nose, and throat, as well as other related structures of the head and neck. Within otolaryngology there are seven specialties namely paediatric otolaryngology, allergy, head and neck diseases, otology / neurotology (ears, balance, and tinnitus), rhinology (nose), laryngology (throat), facial cosmetic and reconstructive plastic surgery. Otolaryngologists are often referred to as …
Read More »What is ophidiophobia?
Ophidiophobia is a Greek term which is a combination of ‘ophis’ meaning snake and phobia meaning fear. Ophidiophobia refers to the fear of snakes, alternatively termed as herpetophobia. This kind of phobia is quite distinct from the fear of venom. An ophidiophobiac is usually afraid of snakes, not only when they come in contact with one but even when they …
Read More »What is Olbers’ paradox?
Modern theories of the universe begin with the simplest of observations — that the night sky looks dark. This darkness implies that the universe is not infinitely old, as scientists once thought. If it were, starlight would already have seeped into all corners of space, thus giving a hot and uniform glow across the sky. This insight is known as …
Read More »What is October heat?
The weather in the month of October in the Indian sub-continent is called ‘October heat’. During October and November, with the apparent movement of the sun towards the south, the monsoon trough or the low pressure trough over the northern plains becomes weaker. This is gradually replaced by a high-pressure system. The south-west monsoon winds weaken and start withdrawing gradually. …
Read More »What is nomophobia?
It’s the fear of being out of mobile phone contact. According to a study, nomophobia is plaguing our 24/7 life — running out of battery, credit or losing one’s handset. About 53% of users surveyed are affected by not having network coverage. The survey revealed that men suffer more than women, with 48% of females and 58% of males admitting …
Read More »What is nephology?
The Greek root nephos means cloud, and is found in a variety of meteorological terms such as nephology, the study of clouds; and the nephoscope, an instrument used to detect cloud motions. Nephology is a specialised and complex branch of science. Nephologists study clouds to help people understand weather patterns.
Read More »What is Munchausen Syndrome?
Munchausen Syndrome, also known as hospital addiction, factitious illness, afflicting those referred to as professional patients, is a repeated fabrication of clinically convincing simulations of disease for the purpose of gaining medical attention. It refers to patients who wander from hospital to hospital feigning acute medical or surgical illness and giving false and fanciful information about their medical and social …
Read More »What is more important in keeping us alive, food or water?
Water We can live for some weeks without food but only a few days without water.
Read More »What is molecular phylogeny?
In Greek, phyle means tribe, and genesis means birth. Molecular phylogeny tries to reconstruct the lineage of species through study of amino acid sequences in fossils. The result of this analysis is expressed in a phylogenetic tree.
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