- Neanderthal Witch Doctor
- Why Hippocrates is called "the father of medicine"
- Before there were pandemics?
- Scientific discovery from an unwashed cup
- Who got the first vaccination in Russia
- Cowpox beats natural
- Immunity - the defender of the body
- The mystery of childbirth fever
- Why sterilization is needed
- "Sleepy drops" by Pirogov
- Why Mandragora is dangerous
- The wonders of prosthetics
- How the ultrasound machine works
- Healing needles


Characters and performers:
Professor Vladimir Sergeevich - Z.A. RF Vladimir Levashev
Petya - Alla Chovzhik
Masha: Alexandra Bogdanova
Computer - Andrey Kuznetsov
Alexander Fleming - Peter Entis
Nikolay Pirogov - Ivan Zabelin
Doctor - Ilya Akintiev

Scriptwriter Alexander Lukin
Sound engineer Alesya Batantseva

ARDIS Publishing House presents a unique collection of audio performances for children. It is easy, as if playing, that children will immerse themselves in a bright and exciting world of knowledge. And famous artists who took part in the recording of performances will help them in this.

Two heroes - Masha and Petya, accompanied by a good friend - Professor Vladimir Sergeevich, over and over again set off on exciting journeys through space and time. The professor is ready to answer all the questions of Masha and Petit, and in the most confusing cases, the famous polymath Anatoly Wasserman will always help the guys.

Series: Natural History
Genre: Educational audio encyclopedia
Publisher: ARDIS
Playing time: 01 hour 00 min.
Age limit: 0+