All the human beings present on earth were formed by the fusion of two substances one is sperm which is a male gamete and another one is ovule which is a female gamete. Humans now are so developed that they have invented many things for day to day use. Plastic is one of the discoveries of humans which is very useful on regular days but it was harming the environment of earth drastically as it does not decompose easily.
Scientists have now invented a way from sperm to save the earth from plastic but there is also a risk that the sperm of the animal which was used may got extinct from earth.
The scientists of China have made a substance from the sperm of Selmon fish available in the ocean they have invented a substance which is stretchable and hard as plastic but it is also biodegradable it can decompose into the earth within a few days and will not cause any harm to the surface of the earth.
 The scientists of China have taken two strands of Deoxyribonucleic acid from the sperm of selmon fish and along with it they have mixed a chemical found from the oils of the vegetable and it was seen that a substance which was stretchable and soft as a sponge and as strong as plastic was formed out of this mixture and they named it as Hydrogel.
If this hydrogel was made in regular use by humans then the pollution rate of the world would decrease which would also help in improving the environment of the earth.
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