Science Explained: Common Things That we Always Wonder About

Ever wonder why there are some things that you can't explain in your body? Or are you wondering of the simple things that happen in you and your surroundings? We all have mysteries in our mind that needs explanation for some reasons. These are some of the most common things that we wonder about that are explained by science.

Ever wonder about your finger warts?

All warts are infections caused by the human papilloma virus (HPV). There are over 100 varieties of HPV, from the highly contagious kind that causes genital warts, to the much less contagious kind that causes common warts on the hands and fingers. When this pesky virus invades this outer layer of our skin, usually through a cut or scratch, it causes rapid growth of cells on the outer layer of skin – which is what we call a wart.

Don't tell me you didn't do this sh*t

The question that hunts everyone is - "is it safe to urinate in the pool?". The answer is YES! It's not true that urinating in a chlorinated pool creates a toxic chemical called cyanogen chloride (similar to tear gas) because it needs to be two parts of water to one part of chlorine in order to create such a chemical. However, It is still ethical not to urinate while in the swimming pool for everyone's courtesy.

Are you one of those who run to the toilet after drinking coffee?

You are not alone. Actually, 50 percent of coffee drinkers in the world experience the sense of urgency after sipping a coffee. This is because coffee stimulates muscle contractions along the last bit of your large intestine (a part science calls the rectosigmoid colon). If you’ve got one in the chamber, coffee is likely to rattle it loose.

Did you bring your diaper?

This probably cause by your pathetic brain. Here is the explanation: "Under stressful conditions...the inhibitory signals from the frontal lobe [aka what keeps us from peeing as soon as our bladder is full] can themselves be overridden by the limbic system, a combination of brain areas that controls the famous 'fight or flight' response. When we become stressed or anxious, electrical signals from the limbic system become so intense that the brainstem has trouble following the frontal lobe’s commands. That’s why many people urinate more frequently before important exams or in the starting corral of a marathon."

Does your hair get gray?

It might sound funny but the reality is that hair is naturally colored white (or some say has no color). The color of your hair that you see by your naked eye really depends on pigment secretion. This is the reason why hair color changes over time. When a person ages, the body slowly stops producing pigment and the hair returns to its natural state: grey or white.

Did anyone of you guys wonder about this?

Because females are the superior gender. No really. Everyone starts as a female in the womb. "For the first several weeks a developing embryo follows a 'female blueprint,' from reproductive organs to nipples," explains LiveScience. "Only after about 60 days does the hormone testosterone kick in (for those of us with a Y chromosome), changing the genetic activity of cells in the genitals and brain. But by then those mammary papillae aren't going anywhere." Girl power.

Why do we feel hungover?

We all know the answer to this - Too much alcohol consumption. But to be clear, here is a more accurate explanation to this: a) alcohol makes you pee more, which speeds dehydration; b) alcohol consumption raises the production of stomach acids and slows the rate at which the stomach empties itself, both of which lead to nausea and vomiting; and c) drinking often causes blood vessels to dilate, which can cause headaches. Put 'em all together and whatcha got? Worst morning ever.

Dying because of old age? Check this out.

The truth is dying because of old age is a myth. While it's true that living cells have a finite life span, an organism never simply dies because its cells got too old. However, old cells are weak. This can mean organ malfunction or shut-down. It also means old cells can’t fight off disease as easily or heal as well as they once could. This means illnesses and injuries that would barely affect a young person can be fatal for an old one.

Are you holding your fart in?

First off, holding your fart in is not good for your health. If you feel you need to fart, that means there's an excess gas in your digestive system that needs to spray out. If you hold it in, you are in a risk of having hemorrhoids or a distended bowel. The good news is, even if you hold in every single fart all day long, they'll all come out as soon as you fall asleep.

Is throwing up when dizzy normal?

The three most common reasons why you vomit are: something irritates your brain, something irritates your gut, or something throws your hormones out of whack (usually pregnancy). In dizziness, when your eyes see something different from what the fluid in your inner ears is telling your brain (i.e. when you’re catapulting through space on a carnival ride) it's irritating. Your brain suspects foul play, and just to be sure, ejects the contents of your stomach.

Do you sing in the shower?

Science has no concrete conclusion to this but there are two major theories:

1. school of thought maintains that we feel more relaxed and comfortable in the shower, not to mention that we’re typically alone. This physical comfort gives way to mental comfort, and before you know it, you're belting out Taylor Swift (don't lie).

2. The other theory is that the tile, plastic, glass or ceramic that lines your bathroom creates an acoustically-pleasing environment. This makes your voice sound fuller, and helps hide imperfections in tone and pitch, thus releasing your inner opera star.

Having fun in poking a bruise or picking scabs?
Bruising, a common affliction, happens when we rupture blood vessels under the skin (usually by whacking a limb on something). This injury results in inflammation, which triggers pain receptors in the muscles and skin. I.e. it hurts. So why would we then poke or rub it while so sensitive? It's actually a way of managing the pain. When we rub a painful area, it triggers other receptors in the skin, such as those that sense pressure, light touch, temperature, etc. By activating these other receptors for a short time, it actually "drowns out" the pain being detected by the brain, providing a moment of relief.

Picking scabs is an entirely different issue, but like rubbing a bruise, something we seem to do instinctively. On one hand, it can be a symptom of "obsessive-compulsive tendencies that often signal an underlying, often as-yet-undiagnosed mood or anxiety disorder." On the other, some experts say it's a remnant of the way our ancestors were compelled to groom, lick, and preen themselves. Scabs are like plaster over a healing wound, and they definitely itch, so maybe it's just a response to the fact that we're hyper aware of it.

Do you palms sweat when you are nervous?

"Palmar Hyperhidrosis" is a condition of having an excessive sweat on your palm. The most common reasons are emotional stress and your body trying to control its temperature. When we get excited, scared, or nervous it causes a reaction from your sympathetic nervous system, which stimulates the Eccrine glands on your face, palms, soles of your feet, and in your armpits.

Is it okay to pee in the ocean?

Two-thirds of people surveyed by toilet paper purveyors Proctor & Gamble admit to peeing in the ocean and almost half said they had done it more than once. However this doesn’t count as ocean pollution because of what urine actually is: 95 percent water and some sodium and chloride ions, aka table salt. Both things that the ocean already has in spades. The one thing pee has that the ocean doesn't is urea. It's a carbon-based compound that helps the body rid itself of nitrogen. But according to ocean scientists, the nitrogen in urea combines with ocean water to produce ammonium, a compound that actually acts as food for ocean plant life.

Is it okay to pee on plants?

As mentioned earlier, Urine is full or nitrogen. And plants need more nitrogen than any other element because it is used to synthesize amino acids, enzymes, proteins, and chlorophyll. Urine also has phosphorous and potassium that helps enhance the soil for plants to grow healthy, and those are the ingredients in common mineral fertilizers. The nutrients in urine are also in just the right form for plants to drink them up, says Håkan Jönsson, a researcher at the Swedish University of Agricultural Sciences.

Why do I get goosebumbs?

According to, Goosebumps, also called the pilomotor reflex, are an involuntary response, meaning they happen without your thinking about it. Such diverse experiences as feeling chilled, being frightened, feeling strong emotions or hearing music can bring on the sensation of goosebumps.

It is also the cause of the release of a stress hormone called Adrenaline, which in humans is produced in two small beanlike glands that sit atop the kidneys, not only causes the contraction of skin muscles but also influences many other body reactions.
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