It's hard to believe the picture if you never heard about the Cave of the Crystals or Giant Crystal Cave (Spanish: Cueva de los Cri...

We and many other animals share the same colour of the blood that is red. Anyway there are many other creatures living on earth wit...

Curta mechanical calculator, one of the marvelous mechanical calculators ever invented. Why we need to take a look at mechanical cal...

Mercedes-Benz 300SL “Gullwing”. Hottest cars are the cars that once change the view of people about cars, set new standards and brin...

Porsche P1, the first car designed by Ferdinand Porsche. Not all of us realized that the electric cars were among the earliest cars ...