Wednesday, 17 December 2025

Kohler Disease

 Köhler was among the first physicians to apply X-rays to orthopedic diagnosis. 

In 1908, he published findings on osteochondrosis of the tarsal navicular bone in children, later named Köhler disease.

Köhler disease was first described in 1908 by German radiologist Alban Köhler (1874-1947) in his MWW article 

Uber eine häufige, bisher anscheinend unbekannte Erkrankung einzelner kindlicher Knochen [About a common, so far apparently unknown disease of individual children’s bones]





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First Flight

 

                                                                       Wright Brothers





Worlds First Flight 

The world’s first powered, controlled airplane flight was achieved by the Wright brothers on December 17, 1903, at Kitty Hawk, North Carolina.



Worlds Oldest Airlines 


1948

Malabar Princess

Indias First International Flight 





Current Events



Mumbai To Delhi

December 18 th





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Maple Syrup Day

 



    History Of Maple Syrup 


Worlds Largest Supplier Of Maple Syrup

Quebec, Canada 




Chemistry Of Maple Syrup



Quebec Canada To Quebecol

Québecol is a unique phenolic compound found only in maple syrup. It is not present in raw maple sap—it forms during the boiling and heating process used to concentrate sap into syrup.





Vermont, USA 



Current Events

Maple Syrup Day is on December 17th, celebrating a perfect addition to pancakes, waffles, oatmeal, and even french toast. 




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Sunday, 14 December 2025

Hellers Test

 

Heller’s Nitric Acid Test is a classical qualitative test used to detect Albumin in urine. 

When concentrated nitric acid is layered beneath urine, albumin precipitates at the junction of the two liquids due to protein denaturation and coagulation.





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Vero

 



African green monkey kidney cells were used to grow viruses safely

These cell lines enabled:
Large-scale vaccine production
Rigorous purity and safety testing




Vero cell line is:

  • A continuous cell line derived in 1962

  • From the kidney of an African green monkey

  • Named “Vero” from the Esperanto word for “truth”


The Vero cell line is:

  • Approved by WHO

  • Used by multiple national regulatory authorities

  • Employed in vaccines for:

    • Polio

    • Rabies

    • Japanese encephalitis

    • COVID-19 (inactivated vaccines)

Its long safety record spans over 60 years.





Current Events






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Kalamkaval

 




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