Technetium is a chemical element that is mostly synthesized with only a small amount found naturally. This is due to the fact that technetium is an unstable (radioactive) element. It is a silvery-gray transition metal that is naturally found in uranium ore. It has an atomic number of 43 and the chemical symbol of Tc. When in powdered form Technetium burns in oxygen. It is highly resistant to corrosion with no form of hydrochloric acid able to corrode it. Technetium has a small number of niche uses in the world today, read this article to find out more.
Christopher Walken is a celebrity actor best known for his common supporting roles as a psychologically unstable character. He began his acting career as an extra on various projects when he was a child. It was this work that led to his decision to become an actor and regular television and stage work quickly came. His first feature film came in 1969 and his breakthrough came in 1977 with the film “Annie Hall” for which he won an Academy Award. More supporting roles came after this and he has since appeared in over 100 movies in films that have made more than $1.5 billion at the box office. He is widely respected in the industry and although he has passed his 69th birthday he doesn’t look like slowing down anytime soon. The following is a list of movies that Christopher Walken has acted in during his career.
Carrots are a long and thin root vegetable best known for their distinctive orange coloration, although varieties with other colors are available. The vegetable grows underground with only the leaves of the plant visible above the surface. Carrots are eaten in a number of ways, including raw, cooked and in many recipes. Carrots are an important source of vitamin A, fibre, antioxidants and other essential minerals. Today, there are many varieties of carrots and they are grown throughout much of the world. However, these modern carrots all share a common ancestor. Let’s find out where carrots come from.
Superman is a well-know fictional character that originated from comic books, but is now also seen in movies, television shows and video games. The character was created by American writer Jerry Siegel and Canadian-born American artist Joe Shuster in 1932. Superman is widely regarded as an American cultural icon. His iconic red and blue suit and alter ego Clark Kent are recognized worldwide. Due to Superman’s popularity and fame many actors have played the legendary superhero in television series and movies. Below is a list of actors that have played Superman.
The lungs are one of the largest vital organs in the human body. They are comprised of two oval shaped sacks that are located on either side of the heart with an adjoining air tube. They dominate the chest cavity and are protected by the ribs. The left lung is slightly smaller than the right allowing room for the heart within the chest cavity. The lungs have a very important function in the body and without them it would be impossible to live. So what is the function of the lungs? Read this article to find out.
Rotavirus is a virus that causes vomiting, fever and severe diarrhea, symptoms commonly known as stomach flu. The virus is transmitted from the feces to the mouth and it usually takes two days before the symptoms develop. These symptoms occur because the virus damages the cells lining the small intestine. It is the most common cause of diarrhea in children and almost 500,000 children under 5 die from the condition each year. There are 5 species of the virus and it is estimated that almost every child in the world has been infected with one of these strains by the time they are 5 years old. After infection the body develops immunity and any further infections are not usually severe. Let’s find out how this potentially life threatening virus is treated.
Venus is the second planet from the sun in the solar system. It is named after the roman goddess of love and beauty. Venus is the second brightest object in the night sky after the moon and has been known for centuries as the Morning or the Evening star. Venus is similar in size to Earth and is the closest planet to Earth. It completely rotates the sun in 224.7 Earth days. Let’s find out some more fun facts about Venus.
The Boston Celtics are a professional basketball team that compete in the Atlantic Division of the Eastern Conference of the National Basketball Association. The team was founded in 1946 where they played in the Basketball Association of America (BAA) until 1949 when the two leagues merged. It wasn’t long before the team became an NBA powerhouse and in 13 years (between 1957 and 1969) the team won 11 Championships. This period of success included an 8 year streak, which is the longest in North American professional sport. Today, the Celtics remain one of the most successful teams in the league with 17 NBA Championships. Let’s find out where the Celtics play their home games.
An invasive species is an animal or plant that has populated an ecosystem to the point where it dominates over other plants and animals in the ecosystem. An invasive species can be a species that is not indigenous, meaning that it does not naturally grow in the ecosystem or an indigenous species that dominants the ecosystem and chokes out other species. Invasive species can cause many problems in an ecosystem and need to be controlled and eradicated in some incidences.
Globalization is the term that is used to describe the integration of international technology, communication and products. It is the linking and sharing of cultural and economic activities between different countries. Over the last century the emphasis on globalization has increased as countries have been more willing and able to communicate and interact with one another. World governments, organizations and businesses are continually working towards greater international integration as a way to improve and develop the world as a whole. As globalization continues to be advanced and encouraged it is important that we understand the advantages and disadvantages of international integration.