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Science essays

Against Animal Experimentation

Introduction Experiments on animals are one of the most controversial issues of modern science. Scientists are doing them for various purposes that include the basic research of functioning of organisms, development of potential methods of treatment of human diseases, as well as checking on the safety and quality of medicines, equipment, and other facilities. Supporters...

Moonless Earth

Introduction Nowadays, much attention is paid to testing various theories of the existence of the Earth. The current work will present a combination of available ideas and notions concerning the existence of the Earth without the Moon. The presented ideas will be based on the giant-impact theory that assumes that the Moon was formed as...

Genotoxicity of Silver Nanoparticles (AgNPs) as a Threat to Humanity

Owing to its antibacterial effect as well as catalytic, optic, and magnetic properties, silver has reached a peak in its utilization worldwide. Producers aim at protecting people from all known bacteria although its adequacy and justification are a disputable question. Uncontrolled utilization of silver nanoparticles (AgNPs), which have been claimed the most commercialized in nanotechnology,...

Lithium Ion Battery

Definition and Developments Lithium-ion batteries are a group of developed rechargeable batteries in which lithium ions are allowed to move from the negative electrode side to the subsequent positive electrode in the course of discharging and later assume the opposite direction in the course of charging. Usually, they are composed of an intercalated form of...

The History of Gravitational Theory

Since the times of ancient Greece, effort towards understanding the cosmos has gotten a tremendous following in order to discover the facts about the subject. Various scientists and philosophers formulated theories pertaining to the understanding of planetary motions. The establishment of facts in the field was challenging due to the lack of sufficient knowledge on...

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