Curiosity

What makes people sneeze? There many stories made up connected to sneezing. Some people take sneezing as good luck while some other say it's bad luck. Some other people say that sneezing is a sign of waiting before starting a task. Other people believe that sneezing was a sign of approaching death. When anyone sneezed people said, "God bless you" because it was a sign of danger. But none of these have any truth to them. Sneezing is just a involuntary reflex action. It occurs when the nerve endings of the nose gets irritated. It's caused when foreign body bacteria somehow manages to get into the nose.  This can also happen when it's cold. Again even allergies produce irritation. The act of sneezing is an attempt of the body to expel air to get rid of irritating substances. Our whole body vibrates when we sneezing and our eyes automatically close. After sneezing we feel fresh and light.

How are Artifcial Sweeteners made? This varies depending on the sweetener. Saccharin – discovered after scientists working with the molecule noticed their food getting sweeter – is made by oxidising a chemical called o-toluenesulfonamide. Aspartame is made differently. Bacteria are used to produce aspartic acid and phenylalanine. These are then purified and mixed with methanol to modify their chemical structure. The two molecules are then mixed together to form crystals, and then mixed with vinegar to make aspartame.

What is Marination? Marination is the process of soaking foods in a seasoned, often acidic, liquid before cooking. In addition to these ingredients, a marinade often contains oils, herbs, and spices to further flavor the food items. It is commonly used to flavor foods and to tenderize tougher cuts of meat.

What is Chronic Anemia? Anemia is a low level of red blood cells that carry oxygen throughout the body. Anemia of chronic disease occurs when that anemia is associated with a chronic condition such as cancer, digestive disorders, autoimmune disorders, and other health problems. Symptoms include weakness, fatigue, paleness, and more.

Does LED lights really save energy? LED is a highly energy-efficient lighting technology, and has the potential to fundamentally change the future of lighting in the United States. Residential LEDs -- especially ENERGY STAR rated products use at least 86% less energy, and last 25 times longer, than incandescent lighting.

Does mental exercise burn calories? Mental activity boosts your metabolic rate, which is necessary for extra calorie burn. This equates to about a 300 calorie use by your brain per day for all mentalactivity, taxing or not. Thinking extra hard during the day burns little additional calories.