History of Money

When was the money first used? Who invented money? Money is such an integral part of our everyday life that it is impossible to imagine us  without money.  However, in the very old days, people did not have ...

Is the Earth getting warmer?

You often hear about rising temperatures on Earth. But is there a scientific basis for that? And what would be the consequences of global warming? There is no doubt that the Earth is getting warmer. The Cl...

How does an x-ray work?

What is X-Ray? An X-ray device is basically a camera. But unlike an ordinary camera where visible light exposes the film, an X-ray uses x-rays instead. X-rays are like visible light waves  like visible lig...
Weather and climate have totally different meanings. So what is the difference?

What’s the difference between Weather and Climate?

Weather is the specific day-to-day conditions of the atmosphere at a particular place and time. It describes the state of the atmosphere with regard to meteorological conditions (variables) such as; wind (s...

Who found the first dinosaur fossil?

When was the first fossil of a dinosaur found and who found it? It is not known exactly when the first dinosaur fossil was found by humans. >> 5 things you did not know about dinosaurs! << ...
Velociraptors size was equal to a turkey

5 Dinosaur Facts You Haven’t Heard Before

5 surprising facts about dinosaurs Our perception of dinosaurs is largely colored by movies like Jurassic Park and the small plastic toys we played as children. But did you know that T-Rex was actually bearing...

Why do we have seasons?

Why do we have different seasons on the northern and southern hemisphere, and what is the explanation for why we have seasons? Distance to the Sun does not determine seasons. Seasons change is connected with ...

Why do we get under eye bags?

Older people often have bags under their eyes. Also young people can get them if they have slept badly. What is the reason for under eye bags? If you are tired, for example after a really bad night's sleep, ...

Where does the question mark originate from?

The question mark is known by everyone, but who has actually invented question mark? The Middle Ages scholars, who often were monks, favored marking a question in writing with a q, which stood for the first ...

Women inventors : Were they rare or ignored?

What was invented by women? You have rarely heard about female inventors. Could it really awake public interest? If they were given fair approaches by the laws and the public itself, YESSS! ...