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 at the Museum of Cardiovascular Surgery at the Bakulev Scientific Center of Cardiovascular Surgery in Russia. Brukhonenko was posthumously awarded the prestigious Lenin Prize. Some commentators have questioned the film's authenticity, given that none of the more dubious experiments are shown in any full-frame shots. According to some scientists who claim to have seen the experiments in the film, the severed dog head only survived for a few minutes when attached to the artificial heart, as opposed to the hours claimed in the film. Experiments in the Revival of Organisms Experiments in the Revival of Organisms () is a 1940