Source of energy for Photosynthesis
Sun is the main source of energy for all living organisms. Light is a kind of energy that travels in the form of electromagnetic w…
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Chlorophyll
Chlorophyll is a complex organic compound. It absorbs mainly blue and red protein of sunlight. The green portion is mainly effecte…
virus a unique particle
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viruses are the simplest entity in the firm of unique particles. he word virus is derived from the latin word "venome " which mean…
ATP as energy currency of living cell
Energy is defined as the capacity to do work. A living cell is never static. It is always performing some work like synthesis of e…
Abu usman umer al jahiz
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Muslim scientist between 8th and 15th century made outstanding contributions for the progress of biology and medicine. Many Muslim…
Animal tissues
Animal tissues are classified according to thier structure and function into four major types1) Epithelial tissues2) Connective ti…
NASA humbled as 'Sun Catchers' drop ball
They were known as the 'Sun Catchers'. With a typical lack of modesty, two veteran Hollywood helicopter pilots lifted off from the…
Polo at shandur pass
The origins of polo in Central Asia go back as far as the sixth century BC when it was a training game for the king's cavalry unit…
Sun Swallow
The Circus Master called the children together and told them to run through the town shouting out that the circus had arrived. Gra…
Confessions of a TV addict
I was a kid of T.V generation. From the day my mother carried me home from hospital to the present day, I have always a T.V in the…
