Knowledge Plus

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Showing posts with label skin. Show all posts
Showing posts with label skin. Show all posts
Thursday, January 18, 2024

History of "Soap"

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  The invention of soap dates back to ancient times, and it is challenging to pinpoint a specific individual or culture responsible for its ...
Sunday, June 12, 2016

What is the skin colour of Polar Bear?

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Polar bears' fur consists of a dense, insulating underfur topped by  guard hairs  of various lengths. It is not actually white — it jus...
Sunday, February 23, 2014

What causes leprosy?

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Leprosy was recognized in the ancient civilizations of China, Egypt and India. The first known written mention of Leprosy is dated 600 BC....
Monday, May 23, 2011

How does scratching stop itching.

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Itching is a funny phenomena. It is the direct result of damage to cells in our skin. As a result of the damage, substances like histamine ...
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