Why Does Copper Oxidize?

Why Does Copper Oxidize?
Copper is an industrial metal that has been in use since ancient times. It is a malleable metallic element, which serves various uses. It can be made into thin sheets and can be used to make thin wires since it is quite ductile. It is also a necessary element found in our bodies. And like other elements, it also oxidizes like iron and aluminum. Understanding Oxidation Oxidation is a phenomenon that occurs in everyday life. You would notice that a freshly cut apple would turn brown when it is exposed to the air. When oxidation occurs that element will eventually lose electrons while interacting with another element. Another example of this that we regularly see in daily life is the formation of rust on iron. Effects of Oxidation When exposed to air, iron forms a flaky reddish outer layer,...

Why Do Whales Sing?

Why Do Whales Sing?
One of the most fascinating creatures in the world, a whale is a complex being with lots of interesting features and activities. This strong and massive mammal is subdivided into various species, some of the most popular of which are the humpback whale, blue whale and sperm whale. Let’s take a closer look at this wonderful creature and learn about its various important characteristics, including the reason why whales sing. The Purpose of the So-Called Whale Song Why do whales sing? The primary purpose why whales sing is to communicate with other whales. In doing so, they produce lyrical sounds underwater that is referred to as whale song. As massive and powerful creatures, the sounds that they produce are ultimately loud. However, the level of sounds varies depending on what species are...

Why is Smoking Bad for You?

Why is Smoking Bad for You?
Known as the practice of burning a substance and inhaling or tasting the smoke, smoking has various negative effects on human health, which is why many medical professionals oppose this practice. One of the most usual forms of smoking is with the use of cigarettes. Other tools that are used in this practice are cigars, bongs, hookahs and pipes. The substances that are commonly used in smoking like heroin, hard narcotics and crack cocaine are addictive so most smokers get hooked with this practice. To learn why smoking is bad for you, let us explore the health risks associated with this deadly and health hazardous practice. Health Risks Why is smoking bad for you? Smoking is bad because it poses numerous health hazards. This practice causes severe damages on major body organs like the lungs...

Why Was the Berlin Wall Taken Down?

Why Was the Berlin Wall Taken Down?
There were many reasons why the Berlin Wall was taken down. For the most part, a combination of economic and social changes brought it about. Why the Structure was Built The end of World War II marked the onset of the Cold War. The nations of Eastern Europe sided with the Soviet Union. Those in Western Europe allied themselves with the US. At the time, the eastern portion of Germany was in Soviet control. The western half was in the hands of the US. The nation was divided into East and West Germany. The wall was the line that separated them. Changes in the Soviet Union The reasons why the Berlin Wall was taken down initially had nothing to do with German policies. The events in the Soviet Union led to its fall. In 1985, Mikhail Gorbachev became the leader of the USSR. His rise to power was...

Why is There a Hole in the Top of Texas Stadium?

Why is There a Hole in the Top of Texas Stadium?
Texas Stadium is a highly popular venue for professional football games and other huge events. It played host to the Dallas Cowboys of the National Football League, which used the place as their home field. Several years after it opened in October 1971, the place finally shut down its operations in December 2008. People can find out more about this place including why there is a hole in the top of Texas Stadium by taking a closer look at some of its features. The Reason Behind the Unique Roofing System of Texas Stadium Why is there a hole in the top of Texas Stadium? According to those who are familiar with the stadium’s architecture, it has a hole on top to give fans an outdoor experience within an indoor atmosphere. This unique yet highly interesting design is guaranteed to provide people...