Complement - the guarantee of health [Tips doctor]

In the last century the great scientist II Mechnikov physiologist, described one of the components - the carrier of natural immunity - the so-called complement. If enough of the blood complement protective substance, it is protected from infectious diseases, and if sick, then quickly recovers.

Moon’s Globe: history research of the Earth’s sattelite

There is in the Department of Aviation and Space Museum at the State Polytechnic "KPI", which presents samples of model aviation and space technology, the exhibit, which seems to get here by accident. This is - a big (one and a half meters in diameter) globe of the Moon.