9 Mysteries of the Past That Still Remain Unresolved

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Dee Cooper Hijacking

In 1917, an unknown young man named Dee Bee Cooper hijacked a Boeing 727 with passengers on board. To release the hostages, he put forward a demand of $ 200,000 and four parachutes. When the plane landed at the auxiliary airfield, Cooper took what was required and released the passengers, but forced the pilots to raise the plane again. Around the border with Mexico, the hijacker jumped with a parachute and disappeared. To this day, the authorities cannot explain where the culprit of the crime went, because his traces were never found.

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?

Named «Most Unfortunate» Age in a Person’s Life

In the life of every person, sooner or later, there comes a period when it seems that everything is going wrong: there is no money, you are tired of work, there are problems in your personal life, and in general there is no mood for anything - in general, a complete breakdown of strength and energy! And no, this is not a description of the autumn depression, as many might think. Such a period can occur for every person. You can call it an age crisis or "unhappy age", but it is probably worth knowing when it is approximately worth preparing for changes in mood ...