Life Science

Water and its importance for life

Date: February 17, 2017

Water as we know is off course crucial for all our lives. This article will elucidate the importance of water In terms of general biology. The chemistry of life is the chemistry of water, with chemical formula: H2O. Having single Oxygen atom attached to two Hydrogen atoms in a straight chain. The central oxygen atom in water attracts the electrons it shares with the two hydrogen atom...

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Understanding The Origin of life on earth

Date: February 17, 2017

The question of how life originated is not easy to answer because it is impossible to go back in time and observe life’s beginnings; nor are there any witnesses. There is testimony in the rocks of the earth, but it

is not easily read, and often it is silent on issues crying out for answers. There are, in principle, at least three possibilities:

  1. Special crea...

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Understanding Autophagy

Date: February 14, 2017

Year 2016 witnessed a new insight of cellular processes in terms of autophagy, as Sir Yoshinori Ohsumi received nobel prize for hi discoveries regarding mechanisms of autophagy.

This article will explain autophagy in simpler terms to be understood by a civil service preprant. 

Autophagy (auto=self; phagy=to eat), is a fundamental process of degrading and recycling cellular ...

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Charles Darwin and his theory of natural selection

Date: February 14, 2017

12th feb (1809) commenced the birth of the most influential man in the history of world Sir Charles Darwin.  He in his book, “The origin of species” stated that all species ascended from one single ancestor in due course of time, a slow process we know as evolution.

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Date: March 05, 2016

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Zika virus: A New Global threat

Date: January 28, 2016

The World Health Organization meets next week to decide whether to declare Zika a global emergency.The virus is spreading fast across the Americas, and WHO expects 3-4 million people to be infected over the next year.The World Health Organisation has convened an emergency committee to discuss the “explosive” spread of the Zika virus, which has been linked to thousands of birth defec...

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Lead and its effects on human health

Date: May 31, 2015

Lead and human health

Lead is a useful and common metal that has been used by humans for thousands of years. It is also a very dangerous poison, particularly for children, when it is accidentally inhaled or ingested. Though lead is found frequently in our environment, it has ...

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Colour-blindness: Understanding the X-linked inheritance of hereditary diseases

Date: May 20, 2015

Colour-blindness: Understanding the X-linked inheritance of hereditary diseases

Colour-blindness is type of X-linked diseases which occur due to certain mutations present on X chromosomes. They are expressed when the both chromosomes are recessive for the same disease character. In males the gametes contain XY while females contain XX sets of chromosomes. Thus the disea...

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Sex linked inheritance in man: Theory and principles

Date: May 18, 2015

Sex linked inheritance in man: Theory and principles

What is Sex linked inheritance: The inheritance of X-linked is called Sex linked inheritance. In humans, Males carry XY and females carry XX chromosomes. Thus, any mutation or deformity occurring in males will be carried as twice in the next female generations. This may or may not be carried to the ne...

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Genetic engineering

Date: May 17, 2015

 Genetic engineering

What is Genetic engineering: Genetic engineering refers to the artificial synthesis of new genes and the subsequent alternations of genome of an organism. Genetic engineering came in limelight and has evoked public interest because of projections of someday being able to create such processes which have the ability t...

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Vector Borne Diseases in India

Date: March 11, 2015

 Vector Borne Diseases 

Vectors are organisms that transmit pathogens & parasites from one infected humans/animals to another, causing serious diseases in populations. These diseases are commonly found in tropical & sub-tropical regions and places where access to safe dri...

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Hemorrhagic Fever

Date: January 22, 2015

Crimean-Congo haemorrhagic fever

Crimean-Congo haemorrhagic fever (CCHF) is a widespread disease caused by a tick-borne virus (Nairovirus) of the Bunyaviridae family. The CCHF virus causes severe viral haemorrhagic fever outbreaks, with a case fatality rate of 10–40%.

CCHF is endemic in Africa, ...

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Swine Influenza

Date: January 21, 2015

Swine Flu

Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza viruses that causes regular outbreaks in pigs. H1N1 is a flu virus. When it was first detected in 2009, it was called “swine flu” because the virus was similar to those found in pigs.

Transmis...

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Fluorosis: India at huge Risk

Date: December 29, 2014

Fluorosis: India at huge Risk 

Fluorosis is a crippling and painful disease caused by intake of fluoride. Fluoride can enter the body through drinking water, food, toothpaste, mouth rinses and other dental products; drugs, and fluoride dust and fumes from industries using fluoride containing salt an...

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Generic Drugs and IPR

Date: December 29, 2014

GENERIC DRUGS vs BRANDED DRUGS

A  Branded is the trade name given by the manufacturer  to the medicine produced by his enterprise while a generic drugs are copies of brand-name drugs that have exactly the same dosage, intended use, effects, side effects, route of administration, risks...

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Grid cells and Place cells

Date: December 24, 2014

Grid cells and Place cells serves as Internal GPS for Navigation: The Noble Prize in Medicine-2014

 

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Excretion in human beings

Date: December 09, 2014

Excretion in Human Beings

The excretory system of human beings consists of two bean-shaped kidneys located in the abdomen. Two excretory tubes or ureters, one from each kidney, open into a urinary bladder. The urine collected in the urinary bladder passes into a muscular tube called urethra, ...

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Respiration in human beings

Date: December 09, 2014

Respiration in Human Beings

Human beings, like other land animals, are air breathers.

The Respiratory System in Human Beings– The human respiratory system beings from external nostrils, through which air is drawn into nasal cavities. The nasal cavity is separate...

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Transportation in human beings

Date: December 09, 2014

Transportation in Human Being

In human beings, various substance, such as digested food, oxygen, hormones excretory products, are transported to relevant organs and tissues through blood and lymph. The blood circulatory system comprises heart, the organ wich pumps and receive...

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NUTRITION in human beings

Date: December 09, 2014

 

                                                                                              &n...

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DNA Sequencing and its applications

Date: December 09, 2014

DNA Sequencing and its applications

To determine the nucleotide bases A, T, C and G of DNA by sequencing methods is called DNA sequencing. Every organism on the plant earth possesses a complete genetic material. The genetic material contains the full genetic information about the organism. DNA sequencing allows the scient...

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Ebola :an analysis

Date: December 08, 2014

Ebola Virus Disease – A Challenge to India

Ebola virus disease (EVD), formerly known as Ebola haemorrhagic fever, is a severe, often fatal illness in humans. The Ebola virus is transmitted to people from wild animals and spreads in the human population through human-to-human transmission.The Ebola virus causes an acute, serious illness which is often fatal if untr...

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