What is Tuberous sclerosis? Tuberous sclerosis is also called Bourneville disease or Bourneville phakomatosis or Epiloia or Pringle disease. It is a rare genetic disease that is autosomal dominant in nature which means that it can be transferred from parent to child by inheritance of a single defective gene. It is best …
What are jet streams? These are bands of powerful high-speed winds or currents of air that circulate in shifting flows from west to east direction at an altitude of about 8 to 15 kilometers above the earths surface. Jet streams are formed where there is a large temperature difference between two air …
Land And Sea Breeze Facts Land breeze takes place at land in the night when the land has become cooler Sea breeze normally starts in the morning, a few hours after sunrise, when the solar radiation heats the boundary layer over land. Land and Sea breezes take place due to the contrast …
What is a sea breeze? A sea breeze is a very cool moisture-laden that blows from the sea during the day towards the land where it is low-pressure. A sea breeze is a very gentle breeze whose velocity reaches its maximum in the daytime; this ranges between 6-50 km per hour in …
What is Monsoon? The term monsoon is derived from the Arabic word “mausim” which means season therefore, monsoon is a seasonal wind system in which there is a complete or almost complete shift in wind direction from summer to winter; this is due to the temperature differential between the adjacent land and …
Atmospheric circulation definition Atmospheric circulation is referred to as the large scale movement of air at levels of the atmosphere by which heat is circulated on the surface of the Earth; this is also referred to as the different amount of insolation absorbed by the earth which causes differential heating of the …
Rarest Blood Type in the World The rarest blood type in the world using the ABO and Rh system is The RH Null blood type. Someones blood is grouped as Rh-null if the blood lacks all of the 61 possible antigens of the rhesus system. This type of blood can be considered as the Golden blood if …
The Kell blood group system was discovered in 1946 and was named after Mrs. Kellner, the mother of first baby discovered to be affected by Hemolytic Disease of the Newborn (HDN) due to Kell antibodies. The Kell blood group system is classified into subtypes according to the type of antigens on red …