The researchers came to the conclusion that the virus there the immune system. Virologists from Spain and America reported that the CRISPR system has virus has the ability to respond not only in a chain of DNA, and RNA. Such a discovery will help experts to develop new methods of protection of agricultural crops.
A group of scientists from Stockholm University, found a correlation between the strength of immunity and brain size. Studying fish guppies, experts came to the conclusion that between the two characteristics can exist in an inverse ratio. photo: morguefile.com The researchers compared two lines of fish, some of which the brain was relatively large and