History of microorganisms’ discovery Anton van Leeuwenhoek was the one of the first people to observe microorganisms‚ and used a microscope of his own design‚ and made one of the most important contributions to biology. [18] Robert Hooke was the first to use a microscope to observe living things; his 1665 book Micrographia contained descriptions of plant cells. Before Leeuwenhoek’s discovery of microorganisms in 1675‚ it had been a mystery why grapes could be turned into wine‚ milk into cheese
Premium Bacteria Eukaryote Cell
The Age of Discovery is often touted as a period of significant growth for the human race. The discovery of the New World‚ and the subsequent explorations of the previously unknown territory‚ as well as the numerous technological‚ scientific‚ artistic‚ intellectual and philosophical advancements are remembered as the great achievements of this age. However‚ despite the many positive advancements that the Age of Discovery is known for‚ the period from 1450 to 1600 was marked by unhappiness‚ prejudice
Premium Economics United States Poverty
There have been many discoveries and technical advancements throughout human history; the discovery of magnetism‚ utilization of mathematics‚ the understanding of the mechanics of gravity and the harnessing the power of the atom. With all these pivotal discoveries and huge technological advancements‚ there have been many that have been overlooked‚ such as “The Potato.” Since I was a child‚ I have always been interested in topics that kids and even adults would find inexorably boring and absurd
Premium Potato Food French fries
prehistoric and well preserved mummy in the world‚ not since Tutankhamen had anything stunned the world this much. After the discovery of Otzi‚ many questions started arising‚ the main focus question was- Why else was the Iceman such a significant discovery? Many issues also came up; some issues to be discussed include the ethical issues‚ scientific issues‚ and heritage issues. The discovery was overwhelming to the scientific world and the people in the world‚ there were many theories and speculations to what
Premium Mummy Iceman Copper
The History of the Discovery of Radiation and Radioactivity Introduction: Radiation can be defined as the propagation of energy through matter or space. It can be in the form of electromagnetic waves or energetic particles. Ionizing radiation has the ability to knock an electron from an atom‚ i.e. to ionize. Examples of ionizing radiation include: • alpha particles • beta particles • neutrons • gamma rays • x-rays Non-ionizing radiation does not have enough energy to ionize atoms in the material
Premium X-ray Electron Gamma ray
Scientific Discovery of Plasma. Plasma‚ the "Fourth State of Matter‚" was first identified in a Crookes tube‚ an experimental electrical discharge tube in which air is ionized by the application of a high voltage through a voltage coil‚ and it was described by Sir William Crookes‚ an English physicist‚ in 1879. It was first called "radiant matter”. However‚ Dr. Irving Langmuir‚ an American chemist and physicist‚ applied the word "Plasma" to ionized gas‚ in 1929. Plasma just happens to be the most
Premium Electric charge Universe Atom
Introduction Alonzo Forrest is a 68 year old man who enjoys the benefits of good health. Mr. Forrest lifestyle is active and he jogs at least five miles on a day-to-day basis. Along with his wife and friends‚ he regularly plays tennis and enjoys swimming activities at the local YMCA. Annually‚ he actively participates in at least three half marathons. Moreover‚ he and his wife of 46 years have enjoyed residence in a home that boasts 4000 square feet for 31 of these years; however‚ he
Premium Family United States My Chemical Romance
The Discovery of the Structure of DNA Determining the structure for DNA was one of the outstanding science achievements of the 20th century. It started in the late 1940’s‚ when scientists were aware that DNA was most likely the molecule of life‚ even though many were sceptical since it was so "simple." They also knew that DNA included different amounts of the four bases: adenine‚ thymine‚ guanine and cytosine (usually abbreviated A‚ T‚ G and C)‚ but nobody knew what the molecule might look like
Premium DNA Francis Crick
Will Forrest Will Forrest is a Spanish and history teacher at Paonia High School. He is a cross country coach and always seems to have Spanish music blaring from his classroom. Little does everyone know that Mr. Forrest’s original plan was to graduate college and go into the military. Why isn’t he in the military? Why is he a teacher at a school with under 200 students‚ instead of following his plan‚ “I expected to graduate with a degree in history and teaching‚ and I expected to end up joining some
Premium Vietnam War English-language films United States Army
Accidental Discoveries in Medicine Over the years‚ there have been many new advances in technology‚ food‚ and medicine. While things like the computer‚ the internet‚ and television were found to an extent on purpose; there have been a number of accidental discoveries in these areas as well. When thinking of accidental discoveries in the modern world‚ one may struggle to come up with anything. This could be that people are not educated with the origin of every-day items that are taken for granted
Premium Insulin X-ray