How Different Animals See the World

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Fly

For the fly, our whole world seems like a huge mosaic, because each facet on the eye of this insect perceives only one part of the image. But the fly clearly distinguishes between flickering light with a frequency of up to 300 Hz (the maximum frequency of the human eye is 50 Hz), so when you try to slam the annoying fly, it sees you as if in slow motion and always manages to leave on time.

Unexpected Dolphin Facts

Dolphins are quite intelligent animals of the underwater world that children and adults all over the planet love. Legends about the kindness of dolphins reach fantastic examples, but is everything so smooth in the idealized behavior of these animals?

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?