How Different Animals See the World

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Regal jumping spider

Most spiders see poorly enough and are able to distinguish only a small play of light and shadow, as well as movement within the web. An exception is Regal jumping spider. These spiders are able to perfectly see the picture, almost like a person and even more. In addition to what is happening before their eyes, these spiders are also able to see the picture on the sides, and even behind themselves.

INTERESTING 6 Forbidden Types of the Most DANGEROUS Weapons

6 Forbidden Types of the Most DANGEROUS Weapons

Throughout history, mankind has never stopped trying to create various types of weapons for various purposes. At the same time, while mankind created them, certain prohibitions on its use came out. For example, the popes banned the crossbow, and Homer spoke disapprovingly of the bow. In the 21st century, the scale of invented weapons reached a completely different level of danger, which can be called deadly. Which of the existing military guns managed to be banned and why are these inventions so dangerous?