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Agriculture Overview Humans started to discover space with satellites and in manned missions going all the greatest way to the moon. In drugs, this period introduced innovations similar to open-heart surgical procedure and later stem-cell therapy along with new drugs and coverings. Scientific advances and the discovery of recent concepts later allowed for powered flight and developments in medicine, chemistry, physics, and engineering. The rise in expertise has led to skyscrapers and broad city areas whose inhabitants depend on motors to move them and their food provides. Communication improved with the invention of the telegraph, phone, radio and tv. That makes it simpler for dangerous bacteria (such as E.coli) to develop. Bacterial infections may be dangerous to the cow, and may also infect their milk and meat consumed by folks. Antibiotics are spliced into the DNA of feed corn to stop such infection. Antibiotics have been used because the Nineteen Fifties to stimulate cattle grow