Greatest Discoveries Of All Time
No surprises intended in the start. A crucial discovery that helped the human race make through the rigorous weather conditions. The identity of the one(s) in the Acheulian culture in Africa who discovered how to start, control and use fire about 790,000 years ago, is unknown. But their magnificent discovery was one of the most important developments that sustained the survival and spread of humanity. The flaming torches were protecting the people and their children from predators. It also provided a warmth that helped them to survive temperature downturns, and eventually they learned how to cook animal flesh and vegetation for themselves which helped them to avoid malnutrition. Perhaps more than any other invention, fire was the breakthrough that enabled humans to multiply and spread across the planet.
#4 The Wheel
Do u love your car, bike, scooter or cycle? If yes than you should thank this discovery. The earliest evidence of a wheel in human history goes all the way back to at 3500 B.C.E. in Mesopotamia. The evidence is associated with the wheel's use in pottery-making, not as a wheel for transportation built in a carriage. The wheel wasn't used for transport in the next 3 centuries or so for the people of Mesopotamia to realize that it could also help them to move things from place to place. Wheels evolved in a few stages, beginning with the use of logs as rollers for transport and continuing on through the replacement of rollers with wheels that rotate on an axle. By 2000 B.C.E., wheeled chariots appear ancient Egypt, as the archaeologists claim.
#3 Purification of the drinking water
The discovery of water purifier is also a very important discovery. Let's not forget the fact that as you are reading these lines there are people around this world that are still having problem with clean and drinkable water. For centuries the even in developed countries, mysterious, periodic outbreaks of water-borne cholera regularly was killing thousands of people. During the cholera outbreak in 1854, the British scientist John Snow determined that the disease was caused by microorganisms contaminated the water supply. Among other public health ideas, Snow came up with the suggestion to apply chlorine to the water to kill the microorganisms, and the illness rate plummeted. Since then, additional chemical and filtration technologies have been developed to make our drinking water much safer.
Sometimes, even a very simple disease can be fatal.So many people died because of really simple illnesses only because the humanity was not familiar with the antibiotics. For example the "Black Death" killed around 200 million people in the 14th century alone. In the late 1920s, the London physician Dr. Alexander Fleming was trying to develop an antibacterial agent. He then noticed a mold that had contaminated a petri dish inhibited the growth of a pathogen he was studying. Fleming published his discovery in a scientific article in 1929, and one of his students, Dr. Cecil Paine, eventually became the first clinician to present and the effectiveness of penicillin, a drug that was derived from the mold, against bacterial disease in human patients.
Do I really need to explain the importance of this discovery. Our ancestors were mostly naked and it took a really long time for them to discover the animal skin as a possible protection of their bodies from the cold weather. It's hard to determine exactly when humans started wearing coverings; animal pelts don't make good artifacts because they decompose. Archaeologists and historians think that between 83,000 to 170,000 years ago (the time is close to the ice age) clothing lice came into existence, or as the researchers believe so, the clothes. This discovery of the animal skin as a possible covering or later a cloth, become a revolutionary discovery as humans started losing their body hair which was protecting them from the weather.
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