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Who Discovered Tin?

Who Discovered Tin?
One of the most amazing facts about tin is its usage since ancient times. There is evidence that Stone Age men used it 3,500 years ago. How the ancients discovered it is still a mystery. Discovery and History of Tin During the Late Stone Age people learned to put tin and copper together to produce bronze. Bronze was much easier to manipulate than copper and its use became widespread. This discovery ushered in the Bronze Age, which influenced the Egyptian, Mesopotamian and Indus Valley civilizations. Everything from weapons to utilities were fashioned from these materials. One of the oldest tin mining sites is in the Taurus Mountains in Turkey. An assessment of the facts about tin will show that usage of tin as a pure metal didn’t start until 600 BC. Tin was used heavily during the Medieval Ages, with Cornwall being one of the leading producers. Tin were also discovered and used in Asia. China, Laos and Indonesia were among the countries that also utilized the element. By 1931, the...

Who Discovered Amnesia?

Who Discovered Amnesia?
Amnesia is a highly interesting medical condition wherein the memories of patients are disturbed. A number of factors can cause this serious health problem including disease and trauma, both of which could lead to brain damage. It comes in two major forms, namely retrograde amnesia and anterograde amnesia. Today, it continuously affects many people from various parts of the world. Aside from these and other interesting features, it is good to know who discovered amnesia. The Discovery of Amnesia Who discovered amnesia? A French psychologist named Theodule-Armand Ribot first observed that patients tend to lose recent memories because of retrograde amnesia. Because of this, medical experts started to call the gradients of memory loss as Ribot gradients. Aside from this particular type of amnesia, there is also anterograde amnesia, a medical condition wherein patients are unable to turn their immediate memory into long-term memory. Additional Facts and Other Important Details There are...

Who Discovered DNA?

Who Discovered DNA?
The story of who discovered Dna is a story of broken friendship that gave way to one of the greatest breakthroughs in Science. But it is a wonder what could have happened if the friendship had gone smoothly to the end. Linus Pauling Linus Pauling was a physical chemist who put forward a Dna model out of practical thinking that mathematical estimation in the 1950s. He was fascinated with Dna research. He would have been the man who discovered Dna if not for his aloofness from other English scientists. This kept him from being updated as other scientists were, like Watson and Crick. James Watson and Francis Crick The discovery of Dna or deoxyribonucleic acid happened when James Watson and Francis Crick were working together to find out the configuration hemoglobin. As they were doing so, they stumbled upon this particular acid cell. After much collaboration with other scientists, they were later credited with being the men who discovered Dna. Today, their names are associated with the discovery...

Who Discovered Chlorine?

Who Discovered Chlorine?
Chlorine is a widely used element in many facets of human life. For one thing, it is used to make drinking water safe. A lot of the common things we use today are produced with the help of this element. Examples of which are textiles, dyestuffs, medicines, petroleum products, paint, foodstuffs, solvents, and paper. It is also used to manufacture compounds such as chloroform, bromine, and carbon tetrachloride. Carl Wilhelm Scheele is credited for having discovered chlorine. Early Uses Like all elements, it has always been around only that we do not recognize it as being there. This element isn’t actually found free in our surrounding natural environment. It is usually found in nature combined with other elements into different types of compounds. If you’re looking for it in the environment you would find it in salt and other minerals like sylvite and carnallite. Salt, which is a common compound of this element, has been used by man since ancient times. We have evidence in...

Who Discovered Medicine?

Who Discovered Medicine?
Introduction Medicine is universal to all mankind. It may even be found amongst animals. For example tigers and dogs eat grass when they have digestive problems. Because sickness is common to all, it is impossible to say that one person discovered medicine. Here we give a brief history of medicine in the ancient world. Oldest Discoveries in Medicine Like animals, primitive man used plants as medicine. Animals seem to know what is good for them when they are ill. It may be inherited or instinctive knowledge, or a little bit of both. With prehistoric man it was probably the same thing. Over time with much experimentation, people came to know more and more about the helpful plants around them. These herbs, fruits and vegetables were therefore the first medicine humans discovered. Discovery of Medicine in Egypt Herodotus in his Histories praised the ancient Egyptians as “the healthiest of people,” second only to Libyans. He ascribed this to good weather conditions and a sound health care...