Norse. The first European colony in the western hemisphere were led by Leif and Thorvald Erikson and their sister Freydis. Thorvald died there circa 990 AD.
The first permanent colony was planted by Spain at St. Augustine in modern day Florida.
The eastern and western hemispheres are divided by the prime meridian.
The increased consumption of G.M O foods and fatty food with bad exercise habit encouraged increased size and development of obesity in western countries
Western blot is used to detect any specific protein found in a sample. Normally tissue or cell lysates contain tons of different kind of proteins. By doing this analytical method one can identify the specific protein from the crude sample by antibodies.
Most of Europe is in the Eastern Hemisphere.