Who invented the glass?

Most of us have certainly never thought about who invented his window glass. It is just there and from time to time we have to clean it. But glass is much more fascinating than you might think. So what is it all about, with this strangely durable but completely transparent material that protects us from... Continue Reading →

Are we really Homo sapiens?

So far it has been assumed that only Homo sapiens survived the times. The reasons for this were sought in his superiority. New studies, however, put many aspects into question. Perhaps the Neanderthal was in no way inferior to Homo sapiens. And perhaps it is not really true that only Homo sapiens survived…

Caught in the black hole – Hoyo Negro

You could start the story like in a pitch-black fairy tale. "Once upon a time there was a young girl, barely sixteen years old. She had just given birth to her first child and after long wanderings in unknown areas she was desperately searching for water in a region where there seemed to be neither... Continue Reading →

The worst Volcanic Eruption ever

El Salvador in Central America is one of the most volcanic and earthquake-hit countries in the world. Twenty-two volcanoes crowd into the smallest of spaces. There is hardly a place in the country from which one does not see these mighty giants. The capital San Salvador, on the other hand, has only few sights. Whatever... Continue Reading →

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