https://www.youtube.com/watch?v=9nFYfCi0RC0
Friday, 19 December 2025
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]
First Flight
Wright Brothers
The world’s first powered, controlled airplane flight was achieved by the Wright brothers on December 17, 1903, at Kitty Hawk, North Carolina.
Maple Syrup Day
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.
Monday, 15 December 2025
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.
Vero
Vero cell line is:
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A continuous cell line derived in 1962
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From the kidney of an African green monkey
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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.
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