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Rhodium is a silvery-white metal found in nickel or platinum ores. It is one of the rarest and most expensive precious metals. It is a chemical element and is represented by the chemical symbol Rh and the atomic number 45. Its atomic mass is 102.90550 and it is a solid at room temperature. Pure rhodium is considered to be a noble metal, which means that it is inert and resistant to corrosion and oxidation. If you want to know who discovered Rhodium and when it was discovered, keep reading to find out.
Platinum is a chemical element which is a grey-white metal at room temperature. Platinum is represented by the chemical symbol Pt and has the atomic number 78. It is an extremely stable element and is known for being the least reactive metal. It is one of the rarest elements in the crust of the Earth and is commonly found in alluvial deposits. Continue reading, if you want to know who discovered this rare element.
Palladium is a chemical element that is classified as a transition metal in a group of elements known as the platinum group metals. It is a silvery-white metal that is most commonly commercially sourced from nickel-copper deposits. It is considered to be rare and is usually found alloyed with gold and other platinum group metals. Palladium is represented on the periodic table with the chemical symbol Pd and has the atomic number of 46. If you want to know who discovered this element, keep reading to find out.
Ytterbium is a chemical element that is a soft silver metal. It is represented by the atomic number 70 and the chemical symbol Yb. It is a part of the lanthanide category of elements and is classified a rare earth element. Ytterbium is found in the minerals, gadolinite, monazite, and xenotime, from which it is extracted commercially. Ytterbium is relatively stable, but should be stored in a closed container to protect it from moisture and air. If you want to know who discovered this chemical element, keep reading to find out.
The Kuiper belt is the region of the solar system that exists beyond the last planet from the sun (Neptune). It is sometimes compared to the asteroid belt because they both mostly consist of small objects. However, the Kuiper belt is estimated to be up to 200 times larger than the asteroid belt. The Kuiper belt is also the location of at least 3 dwarf planets, including Pluto. If you want to know who discovered this important region of the solar system, keep reading to find out.
The Oregon Caves National Monument is located in the Siskiyou Mountains in the southwest of the state of Oregon. The highlight of the area is a dissolution cave formed in marble with over 4,600 m (15,000 feet) of passages. This is relatively unique because most dissolution caves are formed in limestone or dolomite. The Oregon Caves are a popular tourist destination with an average of about 80,000 visitors a year. Apart from cave tours there are many hiking trails, that provide perfect photograph and wildlife viewing opportunities. The area was made a National Monument in 1909, but the caves were discovered long before this.
Dyslexia is a learning disability that reduces a person’s ability to comprehend a text. It is classified as a reading difficulty that can manifest in a number of ways. It is reported to be the most common learning disability and is thought to affect up to 10% of the population. There is no known cause of dyslexia and it cannot be cured. However, with careful management and support people suffering from the condition can learn to read and write. Let’s take a look at who discovered dyslexia.
Machu Picchu is an ancient Incan site that is known as the “Lost City of the Incas.” It is located in the South American country of Peru and is found on a mountain ridge that rises above the Urubamba Valley. It is though that the site was built in the 1400’s and was abandoned after the Spanish conquest of the Incan Empire. Today the site is a very popular tourist destination and is listed as a UNESCO World Heritage Site. If you want to know who rediscovered this important historical site, keep reading to find out.
Penicillin is a group of antibiotics that are obtained from Penicillium fungi or produced synthetically. These antibiotics are used for treating many types of bacterial infections including; syphilis, gonorrhea, pneumonia, meningitis, anthrax, rheumatic fever and many more. The discovery of penicillin was significant, because it was the first drug to treat many of these diseases. It is considered by many experts as one of the most important discoveries of the 20th century! Let’s take a look at the discovery and development of this important drug.
Cholesterol is a compound of fat that is produced in the intestines and liver. It is transported in the blood plasma and has many important functions in the body including producing hormones and cell membranes. Despite its important functions, very high levels of cholesterol in the blood can be very dangerous. It can damage the arteries and is linked to many types of heart disease. Cholesterol is found in all foods that contain animal fats. To avoid high levels of cholesterol it is important to restrict your intake of saturated and trans fats. If you have ever wondered who discovered this important compound, keep reading to find out.