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Who Discovered Calcium?

Who Discovered Calcium?
Most people probably know that Calcium is part of the Periodic Table of the Elements with the other crucial substances. Perhaps, they also know other things about calcium such as: The atomic number is twenty, the symbol used in the table is Ca, and its atomic weight is at 40.078. But if someone would ask who discovered calcium, not many people would immediately have the answer for that. The Existence of Calcium Way Back Then According to history, calcium was already known during the early times – particularly, during the first century when Ancient Romans roamed and lived in the land. It was considered then as a particular component in the preparation of lime as an element called as calcium oxide. In those days, lime was called as calx. The Isolation Process and the Discovery of Calcium It was only during the year of 1808 did calcium get isolated and taken as a particular element in itself. And the person who discovered calcium was Englishman Sir Humphrey Davy. Davy was able to discover...

Who Discovered Mercury?

Who Discovered Mercury?
Mercury, be it the element or the planet, is quite elusive when it comes to its discoverer. But at least, as far as who discovered mercury the element is concerned, there’s a name worth mentioning. The First Unnamed Discoverers The Babylonians, among the first people groups of early civilization, is credited to be the first to put on record the use of the element mercury. This was some 3000 years ago when it was mixed freely with other products. It was then sometimes added in creams and ointments in dangerous proportions because it was not yet known then as a chemical element. At times poisoning was the result. The discovery of mercury as an element was in the 18th century. Incidentally, at about the same time, also 3000 years ago, the Sumerians discovered the planet Mercury. Like the Babylonians who discovered mercury and put in many records but not as an element, the Sumerians recorded the planet mercury quite a lot. It could be said that both element and planet had probably started...

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 the Constellation Aries?

Who Discovered the Constellation Aries?
While facts about the constellation Aries are well known, its discoverer is still a mystery. Its existence was known to the Greeks. The Egyptians, Babylonians and other ancient civilizations were aware of its existence too. Facts and Figures The constellation’s symbol is the ram and has an area of 441 sq degrees. It has four stars with planets. There are two bright stars and two nearby. There are six meteor showers (the May, Autumn, Delta, Epsilon, Daytime Arietids, and the Aries Triangulids). The constellations in the vicinity are Taurus, Perseus, Pisces, Cetus and Triangulum. A study of the facts about the constellation Aries show the best time to view it is at + 90 degrees and – 60 degrees on 9:00 PM in December. Noteworthy Stars Alpha Arietis (Hamal) has a magnitude of 2, the brightest star in Aries. It has a reddish hue. It is 5 times bigger than the Sun and 55 times brighter. Beta Arietis has a magnitude of 2.7 and more than 60 light years away. The Gamma Arietis is a double...

Who Discovered Albinism?

Who Discovered Albinism?
Generally considered as a hypopigmentary congenital disorder, albinism is also called by other terms like achromatosis, achromasia or achromia. More than anything else, this condition is known for the insufficient melanin pigment that usually affects various body parts, specifically the hair, skin and eyes. Besides human beings, it also affects various kinds of animals including reptiles, birds and fishes. In order to learn more about this interesting medical condition, it is good to know other basic facts about it including who discovered albinism. The Discovery of Albinism Who discovered albinism? Despite the claims of earlier historians that Aulus Gellius and Plinius Secundus the Elder were the first individuals to have observed such condition, its discovery as a disease was credited to Archibald Garrod. He discovered the disease some time in 1908. He observed patients, particularly those with symptoms like hypersensitivity to light, eye misalignment as well as abnormal decussation. Additional...