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Goltsov Sergey
I serve the art of medical doubt

Official scientific report of expedition KON-TIKI II

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Ten thousand hours and one reason to be proud
Ten thousand hours and one reason to be proud

On January 4, 2026, it will be exactly three years since I returned to the pool after a thirty-year hiatus...

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Comparative evaluation of quality of hematopoietic stem cells of umbilical cord blood at various methods of cryopreservation
Comparative evaluation of quality of hematopoietic stem cells of umbilical cord blood at various methods of cryopreservation

Studied the proliferative potential and viability of hematopoietic stem cells (HSC) cord blood (PB), depending on the method of cryopreservation. Cryopreservation of samples was carried out in software Planer freezer and liquid nitrogen vapor. Found that, for cryopreservation of samples GSK PC software should be used freezer, since this method of preservation of the cells remain vi- able and functional completeness.

Expedition to the lost world
Expedition to the lost world

Conversation on Facebook:
– Where are you?
– Travelling.
– Where this time?
– Where cannibals live.
– ...How are you?
– All parts of my body still belong to me!:)

Seems funny? Click the "like" button. Somebody will say – it can’t be true, what cannibals these days?! A year later after we spent 3 weeks in company with true cannibals as participants of the expedition "Live Parallel in Papua New Guinea", I can hardly believe it myself. Shall we remember it together?

Let's go, then we'll start, or why I started hosting this channel
Let's go, then we'll start, or why I started hosting this channel

All my life, it seemed to me that answers make a person's thinking bigger and at the same time sharper. But over time, I realized that answers are born only where they are preceded by good questions. Not to the textbook or to the authority, but to reality itself — to what we see, but often do not notice. It is often said that human life is short. I am becoming more and more convinced that it can be "lengthened" — not by the number of years I have lived, but by the density of observations. In more detail...

or immediately into the telegram channel from observation to understanding