Poaceae species in about 771 genera that are classified into 12 subfamilies. See the full list of Poaceae genera. Grasses are, in human terms, perhaps the most economically important plant family. Their economic importance stems from several areas, including food production, industry, and lawns. They have been grown as food for domesticated animals for up to 6,000 years and the grains of grasses such as wheat, rice, maize (corn) and barley have been the most important human food crops. Grasses are also used in the manufacture of thatch, paper, fuel, clothing, insulation, timber for fencing, furniture, scaffolding and construction materials, floor
Experiments in the Revival of Organisms Experiments in the Revival of Organisms Experiments in the Revival of Organisms () is a 1940 motion picture which documents Soviet research into the resuscitation of clinically dead organisms. It is available from the Prelinger Archives, and it is in the public domain. The operations are credited to Doctor Sergei Brukhonenko and Boris Levinskovsky, who were demonstrating a special heart-lung apparatus called the autojektor (or autojector), also referred to as the heart-lung machine, to the Second Congress of Russian Pathologists in Moscow. It was filmed at the Institute of Experimental Physiology and Therapy, which is also in Moscow. The heart-lung