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AuthorShayan Ghani

The author is a co-founder and director at 'FLAIR - Innovative Classes for Maths and Science'. He is a post-graduate in Biotechnology from Patna University and currently living in Bihar (India).

Natural Selection


Introduction In the mid 19th century, Charles Darwin (1809 – 1882), formulated the scientific theory of evolution by natural selection, published in his book “On the origin of...

Liver: At a glance


Overview It is the heaviest internal organ and largest gland in the body, weighing about 1.2 – 1.5 kg in an adult human. It is located in the upper right side of the abdominal cavity and is...

Histology of Human Gut


The wall of the human alimentary canal consists of four distinct layers: the mucosa, sub-mucosa, muscularis and serosa. Fig: Transverse section of gut (diagrammatic representation) Mucosa – The...

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