Why do we have tears while crying?

We humans are emotional creatures and this is what separates us from other living beings. Emotions creates all sorts of feelings which can bring us joy , sadness , irritation, frustration , jubilation etc. Among these , Happiness and distress tends to be on top of the list. We all cry while in pain or…

What is Bitcoin currency?

Bitcoin currency is world’s first decentralized virtual currency , a digital money which is transferred from one person to other via online network. As its digital , it can’t be obtained physically rather it remains in your online wallet. Its an open source software, which uses peer to peer technology to perform the transactions. Bitcoin…

Why is Labor Day celebrated?

On 1st May most of the countries around the world have holiday on the eve of Labor Day. We gleefully accept the day off but very few of us know the history behind it. Lets find out why do we actually celebrate it. When & Why it was started: The existence of Labor day goes…

What is Artificial Rainfall ?

“Rainfall” , the most beautiful gift of nature. When it pours, we tend to sit back , relax and enjoy the melody of water drops falling on the ground. Rainfall is one of the necessities for all living beings on earth to survive. In the recent past, due to ecological imbalance, chopping of trees &…

Why do we feel hungry?

We can resist most of our feelings, be it anger, irritation , frustation or even happiness but when it comes to hunger pangs it gets really hard to control it for long. While we are hungry, we would need something to eat. Have you ever wondered why do we feel hungry and how does our…

Why do we get grey hair with age?

It is a well-known fact that human hairs began to turn grey and white as we grow old. There is no definite age when graying starts and even the amount of grey hair varies for each individual. But what is the mystery behind this? As we grow old what changes in our body that cause…

When was “Archie” the first search engine launched?

Archie Search Engine

Since the advancement of world wide web , we have been accustomed to using search engines like Yahoo , Ask , Google. But, these were not the first search engines to exist. All these search engines were launched in mid 1990s. Prior to these , the first search engine was launched in 1990 which was…

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