Why do we Yawn?

For that you’ll first have to understand what happens when we breathe. Normally, when you breathe in, you inhale oxygen and your body uses it up. The body makes a waste product called as carbon dioxide that is exhaled from the lungs when you breathe out. 

When you are sleepy, bored or tired, you breathe more slowly. Your body requires oxygen and needs to throw out the carbon dioxide. So, your brain makes you take an extra breath, which is deep and long called a yawn, so that you can take in more of oxygen and give out carbon dioxide fully. 

Propylene Glycol and Vegetable Glycerin

Propylene Glycol safety

Propylene Glycol is the primary ingredient in the majority of e-liquids and e-cigarette cartridges on the marketplace today. Most e-liquid contains at least 80% and as much as 92% propylene glycol. This is the ingredient that produces the smoke like vapor when the e-cigarette is exhaled.

Propylene Glycol is approved by Health Canada for use in various forms in Canada. These include items injected, applied topically, and inhaled. Products with Propylene Glycol can be found in various common items around your house. A few examples include:

  • Pharmaceuticals – Oral, injectable and topical formulations
  • Beauty products including makeup, mousse, shampoo, bubble bath, after shave, and deodorant
  • baby wipes
  • Pet food
  • Asthma inhalers

When propylene glycol is injected, it is metabolized in the human body into pyruvic acid (a normal part of the glucose-metabolism process, readily converted to energy), acetic acid (handled by ethanol-metabolism), lactic acid (a normal acid generally abundant during digestion), and propionaldehyde. Because of its low chronic oral toxicity, propylene glycol was classified by the U. S. Food and Drug Administration as “generally recognized as safe” (GRAS) for use as a direct food additive

What is Vegetable Glycerin?

Vegetable Glycerin is another vicious liquid with a slight sweet flavor.  The chemical formula for VG, also called Glycerol, is C3H8O3.  VG is also used in pharmaceuticals and personal care products similar to PG.  It is also used in many food applications to keep things moist, as a sweetener, and to preserve food.  VG is also approved by the FDA as a food additive and classified with other sugar alcohols.

What is the PG / VG ratio?

So, PG and VG make up most of what e-juice is.  You will often see ratios of PG/VG when browsing e-juice.  In a nutshell, PG is generally contributed to producing the throat hit when vaping.  You know that feeling in your throat when you vape or smoke, that you can actually feel?  That’s what PG provides.  VG on the other hand, produces a lot of vapor.  So when you exhale you get that beautiful feedback that you took a nice hit off the vape.

Hydrogen vs Alcohol

Bottom line is Alcohol acts quickly and evaporates, however it smells, stings and leaves skin dry and hard. Hydrogen peroxide will oxidize (make bubbles) and eat away at bacteria/fungus. It also is oderless and generally painless. You can use alcohol on an open wound, it will hurt but it will be clean quickly. If you think your wound is getting infected or has a redish tone to the surrounding skin, use HP. It will bubble up as it kills the infecting bacteria. Rinse and repeat. 

Rubbing alcohol is recognized as a rubefacient because it evaporates quickly and is used to cool and soothe skin. A rubefacient is a substance for external application that produces redness of the skin e.g. by causing dilation of the capillaries and an increase in blood circulation. It is, however, more widely used as an antiseptic for sterilizing surfaces or cleaning minor cuts or abrasions.Isopropyl rubbing alcohol can also be supplied in a 99% concentration. This product can also be used to harden skin, such as in the case of the feet of novice hikers, or the fingertips of guitarists. 

Hydrogen peroxide has been used as an antiseptic and anti-bacterial agent for many years due to its oxidizing effect. While its use has decreased in recent years with the popularity of better-smelling and more readily-available over the counter products, it is still used by many hospitals, doctors and dentists in sterilizing, cleaning and treating everything from floors to root canal procedures.Like many oxidative antiseptics, hydrogen peroxide causes mild damage to tissue in open wounds, but it also is effective at rapidly stopping capillary bleeding (slow blood oozing from small vessels in abrasions), and is sometimes used sparingly for this purpose, as well as cleaning. 

Yahoo Answers 

Apples vs Coffee

Do Apples Have Caffeine?

No. Not even a little bit. Apples, as a pomaceous fruit, do not naturally contain caffeine. They do, however, have about 13 grams of sugar – natural sugar, which is much healthier than the 4 grams of Sweet’N Low mixed into your daily coffee. So despite the high sugar levels, eating an apple is a much healthier alternative to drinking coffee. The sugars are also one of the main reasons apples have similar effects to caffeine.

Vitamins from apples, specifically the skin, are released slowly throughout the body, making you feel more awake. There is no jolt of energy. No mood swings. And, most importantly, no crash. The results wear off as gradually as they started. With this argument, though, any healthy snack can help fight sleepiness. (Snacks that are too sugary or fatty will actually have the opposite effect, causing your body to crash.) So why apples? What do they have that other healthy foods don’t?

Scrumptious Pesto Pasta


  • PESTO:
  • 3 cups loosely packed fresh basil leaves
  • 3/4 cup extra virgin olive oil
  • 1/4 cup pine nuts
  • 3 cloves garlic, peeled
  • 1 teaspoon sea salt
  • Freshly ground black pepper
  • 1/2 cup grated pecorino-romano


  • PASTA:
  • 1 pound green beans, ends trimmed and cut into 2-inch lengths
  • 1 1/2 pounds potatoes (preferably yukon gold)
  • 2 pounds pasta, such as gemelli, farfalle, or fusilli
  • Sea salt
  • Freshly ground black pepper


  • Make the pesto: Put the basil, olive oil, pine nuts, garlic, salt, and pepper in a blender or food processor and process until smooth. Pour the mixture into a small bowl and stir in the Pecorino. Check the seasonings to taste.
  • Bring a large pot of salted water to a boil. Add the green beans and blanch until they turn bright green and are tender, approximately 10 minutes. Using a slotted spoon, remove the beans to a colander and run under cold water to keep them from cooking any further. Set aside.
  • While the beans are cooking, peel the potatoes. Once you’ve removed the beans from the pot of boiling water, add the potatoes and boil until they are soft and can be broken apart with a wooden spoon, approximately 20 minutes. Using a slotted spoon, transfer them to the colander. Add the pasta to the boiling water and cook until al dente, 10 minutes. Meanwhile, place the potatoes, green beans, and pesto in a large bowl. Drain the pasta and add to the bowl.
  • Mix together with a wooden spoon. The potatoes should be broken up into chunks in a rustic fashion. If the mixture is too dry, add a little more olive oil.
  • Season to taste with sea salt and pepper.

Saturn and Mars Viewable 5.10

Saturn, the ringed beauty of the solar system, will put on its best show of the year for stargazers tonight (May 10), and you can catch live telescope views of the planet online.

The online Slooh community telescope will offer live views of Saturn from a remotely operated telescope in the Canary Islands, off the western coast of Africa, as the ringed planet reaches opposition, a point in its orbit when it is on the opposite side of Earth from the sun.

Slooh’s feed of Saturn will begin at 9:30 p.m. EDT (0130 May 11 GMT) and feature commentary from astronomer Bob Berman and Slooh host Geoff Fox. You can also watch the Saturn webcast live on Space.com in addition to the Slooh website. Viewers will be able to ask questions about Saturn at opposition using the Twitter hashtag #Slooh.

saturn-opposition-may-2014 Watch the  video on the website to get a better idea of when the planets will be visible SPACE.COM

A resource for information and visual manifestation

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