all know that penicillin is one of the top known class of antibiotics prescribed today. Although this drug has been getting numerous applauds since the mid 1900s on its effectiveness; it did not start at that way. The biggest challenge to this discovery was it mass production‚ which later came down the road. This drug was discovered in a very unusual way by Alexander Fleming in 1920. Fleming had returned from a summer vacation and began sorting petri dishes‚ which contained colonies. Which are
Premium Bacteria Penicillin Antibiotic
Rosalind Franklin Crick and Watson‚ together with Maurice Wilkins‚ won the 1962 Nobel Prize in physiology or medicine for their 1953 determination of the structure of deoxyribonucleic acid (DNA) this was one of the most significant scientific discoveries of the 20th century. James Watson and Francis Crick discovered the molecular structure of DNA model of the structure resembled a twisted rope ladder. They proposed that the DNA molecule consisted of two spirally wound‚ helical chains. Rosalind
Premium DNA
Discovery – Creative Writing Write an original narrative which deals with the idea that the best discoveries are unintended. You must include a birthday party. The lingering light was immersed by the rapidly falling night. The once salmon‚ purple sky transformed into a vast expanse of jet-black that engulfed the whole town. Yet at the corner of the street‚ the house remained unchanged. Supported only by stilts‚ its shabby character inconsistent to the grace and elegance of its neighbours. Its door
Premium Eye color Time Old age
The Discovery of the Fibonacci Sequence A man named Leonardo Pisano‚ who was known by his nickname‚ "Fibonacci"‚ and named the series after himself‚ first discovered the Fibonacci sequence around 1200 A.D. The Fibonacci sequence is a sequence in which each term is the sum of the 2 numbers preceding it. The first 10 Fibonacci numbers are: (1‚ 1‚ 2‚ 3‚ 5‚ 8‚ 13‚ 21‚ 34‚ 55‚ 89). These numbers are obviously recursive. Fibonacci was born around 1170 in Italy‚ and he died around 1240 in Italy
Premium Fibonacci number Golden ratio
The discovery of the light bulb Finally the bell rings everybody running toward homeroom I take my time and pack my books away. We just watched a video about Virginia part of the 13 colonies back then in history class. Since I was the last one to leave my teacher Mrs.Trovato said “did you enjoy watching the video?”I quietly respond yes and start wondering about how people survived back then. When I came back from school I changed my skinny jeans and blouse in to my sweats and tank top. Quickly
Premium Incandescent light bulb Thirteen Colonies United States
Many of the first textile mills and other factories were built in the New England region as there were a large number of fast flowing rivers which made it easy for the transportation of goods and they also had a large population. Later‚ Samuel Slater made many other spinning mills and also other factories in the Northeast side. Thus‚ the society turned into an urban society. This concentration of industries in the Northeast side had given ways to the development of transportation such as railroads
Premium Industrial Revolution Factory Steam engine
intensive exploration and colonization of the world. Some of the many motives for exploration were that the Europeans wanted prestige‚ power‚ wealth‚ and to convert individuals to Christianity. Some historians often refer to this as the Age of Discovery‚ in which the Portuguese and Spaniards play a major role during this time. After an outbreak in Europe on the 14th century known as the Black Death‚ caused about 25 million people to die over a five-year period. This made Europe go through a major
Premium United States Industrial Revolution Europe
May 7‚ 2013 St. Augustine‚ Discovery to Present Day It was April in the year 1513 that Spanish explorer Juan Ponce de Leon landed in an area between Cape Canaveral and the mouth of the St. Johns River. Over the years‚ archeologists have performed many “digs” at the Fountain of Youth‚ which is a National Archeological Park‚ where the village called Seloy was once occupied by the Timucuan Indians. This is where the city of St. Augustine began. Ponce de Leon arrived during the Easter season which
Premium Florida Spanish Empire Spain
Chapter 9 HW Patterns of Inheritance Part I: Mendel and His Discoveries Answer each of the following questions and include at least one website for each question that pertains to the question. 1. Stands of aspen trees often are a series of genetically identical individuals‚ with each succeeding tree growing from the wavered shoot of another tree. Using what you’ve learned of genetics I this chapter‚ would you expect one aspen tree in a stand to
Premium Gene Personality psychology Growth hormone
Antibiotics Antibiotics transformed medicine. The discovery of antibiotics began by accident. On the morning of September 3rd‚ 1928‚ Professor Alexander Fleming was having a clear up of his cluttered laboratory. Fleming was sorting through a number of glass plates which had previously been coated with staphyloccus bacteria as part of research Fleming was doing. One of the plates had mould on it. The mould was in the shape of a ring and the area around the ring seemed to be free of the bacteria staphyloccus
Premium Personal computer Computer