Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does Deja Vu Happen?
Deja vu is a French term that literally means “already seen.” It was coined in 1876 by French scientist Emile Boirac, one of the first to study this strange phenomenon. For the believers of the occult and the mystic, deja vu is equivalent to precognition, which is the ability to see or know what’s going to happen before it truly happens. Unlike precognition, however, deja vu happens during the event, […]
Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does Deforestation Happen?
Imagine a world without trees. Without trees, we won’t have clean air to breathe. Without forests, greater parts of the top soil will erode each year, landslides will occur frequently, and floods will rise even when the amount of rainfall is low. This is what has been happening for years. Trees have been cut down by humans since ancient times to build houses, furniture, wagons, and weapons. Trees are essential […]
Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does Copper Oxidize?
We are all familiar with how oxidation works. Iron produces a reddish brown flaky layer, aluminum produces white flakes, and apple turns brown when exposed to the air and moisture for some time. Just like these examples, copper also undergoes oxidation. But unlike iron, which turns to rust when exposed to air and moisture during oxidation, copper turns to green when exposed to oxygen. Water, in this case, is not […]
Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does Coffee Effect the Growth of Plants?
Coffee is one of the most heavily consumed beverages in the world today. People use it as a stimulant; they drink it to stay awake and keep themselves energized at work. More than the energizing effects of coffee, some people also use it to effect plant growth. Why does coffee effect the growth of plants? The reason may be found in the coffee grinds. Coffee grinds are used instead of […]
Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does Chocolate Turn White?
Chocolate is made from cacao beans that were fermented for several days, and then dried out in the sun. The beans are then roasted and winnowed. But to create the chocolate bars sold at supermarkets, the inner nibs of the cacao beans are heated to melt the cocoa butter and then ground to a paste. The paste is called chocolate liquor although it doesn’t have any alcohol content. Surprisingly, the […]
Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does Cancer Kill?
There is a common misconception that any cancer can kill a person. But this is not true. Not all types of cancer can kill a person. More than 50% who have been diagnosed with cancer lived for more than five years. Some types of cancers even have survival rates of more than ninety percent. Aside from that, cancer at an early stage does not kill. This is why a lot […]
Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does Bolivia Have Two Capitals?
Bolivia is found right in the center of the continent of South America. Surrounded by other South American countries like Brazil, Peru, Chile, Argentina, and Paraguay, the country of Bolivia serves as a meeting place for a diverse cultural exchange. It has three major urban cities – Santa Cruz, Cochabamba, and La Paz – where large populations converge. However, it’s not just Bolivia’s geographical location, culture, and people that makes […]
Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does Old Aspirin Smell Like Vinegar?
Aspirin is one of the most common medicines we use to combat headaches and muscle pain. It is also taken when we have fever to lower our body temperature. Aside from that, aspirin is also prescribed by doctors for heart patients because it helps prevent blood clots, and it is being used not only to treat humans, but also help dogs cope with arthritis and pain. Just like any other […]
Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does a Strawberry Look Red?
Strawberries are one of the yummiest and juiciest fruits around. Along with blueberries and cranberries, strawberries are used in making desserts, juices and shakes. Both children and adults love its mouth-watering scent and delicious flavor. What most attracts us to strawberries, however, is its red appearance when ripe. What is it in strawberries that make them look so enticingly red? Is it something in the fruit? If cranberries were a […]
Posted by WhyDoes on Sep - 3 - 2009 - Comments Off on Why Does a Cat Purr?
If dogs lick, then cats purr. All cats – either large or small and both domesticated and wild cats – make that vibrating sound that starts at the back of the throat and spreads through the body. Cats are believed to purr whenever they feel pleasure or contentment, which is often observed when a mother cat is nursing her kittens, or when the cat is fed, petted, or stroked by […]