Archive for the ‘Science’ Category

History of Ice

Posted on April 1st, 2010 by by Big History

About one third of earth used to be ice one time. The last known vestiges of the ice age have been traced fame 10,000 yrs ago. By the time the exterior of earth started getting warmer, ice began to melt. The legacy of the last ice age includes the glaciers’ layers of ice covering valleys [...]

History of Cosmetology

Posted on January 12th, 2010 by by Big History

Cosmetology is the study and application of beauty treatment. People have been using cosmetics to improve their appearance, mimic animals or just to look scary for religious festivals since the last several thousand years. The history of cosmetology is actually older than civilization. Ancient nomadic peoples were known to have made up pastes of mud and ash that they [...]

AIDS: History of a Dangerous Disease

Posted on January 12th, 2010 by by Big History

A dangerous existing disease is called Acquired Immunodeficiency Syndrome which is commonly known as AIDS. This is rather a syndrome of HIV infection with opportunistic infections. This disease progressively reduces the effectiveness of the immune system and leaves individuals susceptible to opportunistic infections and tumors. Absence of immunity makes the patient vulnerable to diseases without [...]

A Detailed History of Medicine

Posted on January 8th, 2010 by by Big History

Medicine is defined as a science and practice of diagnosis, treatment and prevention of different diseases. The American Heritage Dictionary further explaining it as the art or science of restoring or preserving health or due physical condition, as by means of drugs, surgical operations or appliances, or manipulations. A small number of medical professionals would disagree with these definitions although [...]

A Short History of Potassium

Posted on December 31st, 2009 by by Big History

Potassium is one of the most abundant metals found on Earth. It is marked with a letter K as its chemical symbol, it occurs as ionic salt found dissolved in seawater and as part of many minerals. It is also necessary for the function of plant and animal living cells. However it does not exist [...]