10 Facts That Should Be Common Knowledge, But Aren’t – Part 2

by Unbelievable Facts6 years ago

6 Never, ever, use a barbecue to keep yourself warm in enclosed areas. Even if it’s extinguished it gives off carbon monoxide for hours which can kill you. 

Carbon monoxide poisoning
Image source: tomsmeland.com

When we breathe, our hemoglobin forms a bond with the oxygen in the air and takes it to the cells where the oxygen molecule is exchanged for carbon dioxide. This process occurs when the blood reaches the lungs and the carbon dioxide is exchanged for oxygen. Carbon monoxide, unlike oxygen, is capable of forming a much stronger bond with hemoglobin. As a result, when you breathe in carbon monoxide, the hemoglobin prefers to bond with it preventing your body from getting oxygen. Symptoms of poisoning include headaches, dizziness, breathlessness, nausea, and loss of consciousness.

Even though there is no fire left and the barbecue, or when using any other carbon-based fuels, never stay close to it in areas without proper ventilation, or use them in tents for heating. Carbon monoxide is hard to detect as it is colorless, odorless, tasteless and initially non-irritating. The treatment for carbon monoxide poisoning is giving 100% oxygen, preferably in a hyperbolic manner such as in a high-pressure oxygen chamber.(1, 2)

7 Exercising your abs doesn’t “give” you abs. You already have abs which are revealed when your body fat decreases as you exercise. 

fat man working on abs
Image source: forgottensecretsforabs.com

Your body is made up of muscles, including the abs and biceps. The muscles support your body and help you move by contracting and relaxing. Even if you spend time and energy on doing crunches, sit-ups, or any other ab exercises, you are not going to get a “six pack”. Those exercises might help to strengthen those muscles and give them more definition, but it’s primarily by doing cardio exercises and getting rid the body fat that is now hiding your abs that will help you get that “six pack”.(source)

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8 Greenland has more ice than Iceland. Iceland has more greenery than Greenland. 

Greenland vs. Iceland
Image Source: npr, flickr

Ice covers over 80 percent of Greenland while only 11 percent of Iceland is ice-covered. The countries were given their seemingly opposite names because of how the first settlers saw the lands. The name “Iceland” was given by Hrafna-Flóki Vilgerðarson, a Norwegian Viking, who sailed with his family and livestock to settle there. The settlement failed because of harsh winter. Before leaving, Hrafna-Flóki hiked up to the mountains and saw that they were all packed with ice, hence he named it Ísland, which is “Iceland” in Norwegian.

Later, as the new population settled in Iceland and formed a democracy, a Viking named Erik the Red was banished from there for killing three people. He left Iceland and found a new island which he called “Greenland” in order to attract more people to come and settle there. Though the temperatures in Greenland are very low now, ice core and mollusk shell data suggest that southern Greenland was much warmer between 800 and 1300 A.D. By the 14th century, however, maximum temperatures had radically dropped making it a much icier country.(1, 2)

9 It is dangerous to clean with bleach and ammonia at the same time or store them in close proximity. They react to release chloramine vapors which are toxic.

Bleach and Ammonia
Image Source: walmart

The reaction between bleach and ammonia is a dangerous thing and must be avoided. The bleach decomposes and forms hydrochloric acid (HCl) which in turn reacts with ammonia to form toxic chloramine fumes (NH2Cl). If the mixture contains excessive amounts of ammonia, a liquid known as hydrazine (N2H4) is formed. Hydrazine is both toxic and explosive. Though an impure form does not explode, it still can be toxic and tends to boil and sputter. If you do accidentally mix these two chemicals it’s important to move away to a ventilated area to get fresh air. Also, make sure to ventilate the area before trying to dispose of the chemicals. Do not hesitate to call for assistance if you find yourself overwhelmed or badly affected by the fumes.(source)

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10 Being cold doesn’t give you the common cold.

Cold
Image source: livestrong.com

The common cold is a viral infection and is not caused by cold weather. The viruses, however, that cause the common cold, namely rhinovirus and 200 other viruses, like cold weather. The ideal temperatures for rhinoviruses, the most common cause of colds, to reproduce themselves is just below our body’s normal temperature of 98.6 0F. They can only live in our nose because of its cooler temperature compared to the rest of our body. This is why rhinoviruses cannot cause serious lung infections. If you want to avoid having cold you should cover your nose when out in cold weathers.(source)

Also see: 10 Facts That Should Be Common Knowledge, But Aren’t. Part 1

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