Archive for November 2010
Nicotine is a highly addictive alkaloid (natural bases containing nitrogen found in plants) found in the nightshade family of plants. The nightshade family includes a diverse variety of plants, herbs, shrubs and trees and can impact on the nerve-function and digestive functions of humans and animals. Nicotine in plants acts as a natural anti-herbivore chemical that discourages insects from eating the plant. Nicotine is pale yellow in color and is oily in consistency. Upon contact with air nicotine turns brown and is extremely poisonous in high concentrations. Nicotine acts as a stimulant when ingested by mammals and this is the reason why many people have a dependence on it.
Need some help finding the perfect gift for your mom this Christmas? This list will give you many different ideas for people with lots or little to spend!
Potassium is a metal with the chemical symbol K. It is a soft metal that reacts very rapidly with water. But who discovered potassium? This post will answer that question then give a few interesting facts about potassium.
Uranus is the 7th planet in the solar system and the third largest in diameter. It is a large blue gas giant. Uranus is the coldest planet in the solar system and actually gives off less heat than it absorbs from the sun. The average temperature on Uranus is around minus 360 degrees Fahrenheit. Uranus does not have a liquid metallic core like the other gas giants. Uranus has 13 faint rings that are dark and difficult to see. Here are some other interesting facts about the planet Uranus.
Coal is a non-renewable fossil fuel. It is a brown or black shiny sedimentary rock that is found below the earth’s surface in channels called coal seams. Coal is made up mainly of carbon along with small amounts of sulfur, hydrogen, oxygen and nitrogen. It is highly flammable. Coal is formed when dead and decaying plant matter is placed under pressure below the surface of the earth. It is the largest sources of energy used to create electricity throughout the world. Coal is mined from under the ground either by shaft mining or open pit mining.
Judi Dench is a British Actress who has had a long and decorated career in film and television. She is regarded as one of the greatest actresses of all time. Her honor list includes 10 BAFTA awards and an Oscar as well as being made a Dame (The female equivalent of a knight in Britain) for her services to drama in 1988. Even though she has been in the entertainment industry for over 50 years, her role as the character M in the James Bond film “GoldenEye” was her first major Hollywood movie. The following is a list of movies that Judi Dench has acted in during her distinguished career.
Many people proclaim the health benefits of antioxidants. But what do antioxidants do? Do antioxidants really protect against various diseases? This post will answer those questions!
Argon, which has the chemical symbol Ar, is the third most common gas in the Earth’s atmosphere after nitrogen and oxygen. Here are some of the more common uses of argon in the world today!
Red blood cells (also called erythrocytes) are the most common type of blood cell in the body of humans and vertebrate animals. But what do red blood cells do? This post will answer that question!
Worm is the name given to a group of creatures that have round, soft, segmented, and elongated bodies. There are various species of worm from the common earthworm to the tapeworm. They are invertebrates meaning that they have no backbone. There are four main groups of worms: flatworms, or Platyhelminthes; ribbon worms, or Nemertea; roundworms, or Nematoda; and segmented worms, or Annelida. Worms range in size and can be microscopic to over several meters in length. The largest worm being the marine nemertean worm, which can grow up to 55 meters. The term worm is also applied to a specific type of computer virus that is capable of reproducing itself and can spread from computer to computer via network connections.