It would seem that everything connected with human nature has already been discovered and known. However, this is far from the case, and man continues to rem...

What is the difference between an intelligence officer and a spy? What made Mata Hari famous? Who stole the atomic bomb? How to become an "invisible man"? Th...

The next volume of the popular children's encyclopedia, 4 I Explore the World, is dedicated to military equipment.

The reader is treated to a fascinat...

The next volume of the popular children's encyclopedia “I Explore the World” is dedicated to the history of weapons.

The book tells how skilled crafts...

They have been talking about them for more than half a century, but to no avail - ufologists cannot present not only a living alien, but even a fragment from...

This book is about how man, despite his biological nature, which did not give him wings, managed to rise above the earth in a daring quest. Legendary aeronau...

According to experts, the knowledge of one third of Russians (almost 50 million) lags behind modern scientific knowledge by several hundred years. Many are s...

Over the past 100 years, enormous changes have occurred in medicine. Today surgeons work miracles. Pharmacology, anesthesiology, diagnostics, prosthetics hav...

Published in the almanac “Question Mark” 1995 No. 02.

Published in the almanac “Question Mark” 1995 No. 01.

Published in the almanac “Question Mark” 1994 No. 03.