9 Mysteries of the Past That Still Remain Unresolved

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Jack the Ripper

This name is well-known. Jack the Ripper is still an unsolved mystery of the deaths of 11 women. The main victims of the serial killer were whores in eastern London in the late 1800s. When they were found dead, their bodies were mutilated and their throats were cut. What motivated the killer and who this man was was never found out.

«I’m an Engineer»: 25 Ingenious Inventions of Ordinary People

Obviously, loyal fans of the Crazy Hands section from a popular TV show worked on inventions from today's selection. The genius of the authors of these ideas sometimes crosses the maximum mark, but let's be honest ... Who cares how and from what this or that device is made if it works 100%? We bring to your attention 25 ingenious inventions from the category of "I’m my mother’s engineer"!