10 Interesting Facts About Hedgehogs

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The needles of the hedgehog are updated about once every three years, and the total number of needles on its back is about 10 thousand. Fortunately for hedgehogs, the needles are updated gradually and therefore the fact that the update takes about a year does not bother the hedgehogs.

9 Mysteries of the Past That Still Remain Unresolved

The world is an amazing thing, filled with many secrets. To this day, researchers and great minds from all over the world are trying to solve the puzzles that our Universe periodically throws up to us. Some of them can be solved, althought not in the shortest possible time, but some remain unresolved for thousands of years and to this day confuse scientists. It is about such secrets and mysteries of the past that this collection will be discussed ...