Staining methods allow researchers to study the structure of a neuron. Being able to study different aspects of neurons helps researchers better understand their functions. The Golgi stain and the Nissl stain are two of the most used and successful stains used today each highlighting different aspects of the neuron. The Golgi stain was discovered accidentally by Camillo Golgi in the 1870s when he combined potassium chromate and silver nitrate and stained a piece of neural tissue using this solution. The potassium chromate and silver nitrate reacted together and created silver chromate, which ended up invading a select number of neurons and staining them black.
For this discussion board I’m choosing Michael Perry essay “Health Secrets from the Morgue.” I personally found this essay very interesting for a number of reasons. I first and foremost enjoyed how Perry wrote this essay, he wrote about his own during this whole ordeal and gave a lot of great examples on the causes and effects of what we do to our bodies. I thought Dr. Stier, the doctor who performed the autopsy, while Mr. Perry overlooked and watched was a genius and very remarkable. They were like detectives trying to find clues or evidence to the reason the man died at only 40 years of age. It was very interesting and quite remarkable the care and steps that the doctor took cutting parts of body, and inspecting each and every part.
Title: Report on Ernest Everett Just Scientist: Ernest Everett Just - Male Date Of Birth: August 14, 1883 He was born in the discriminative conditions of the South and yet, Ernest Everett Just made his way up to become one of the most highly respected scientists of his time, graduating magna cum laude (with very great honour in Latin) from Dartmouth College in 1907, having earned a Ph.D. in zoology from the University of Chicago in 1916, and teaching at Howard University in Washington, D.C. from 1909 until his death in 1941. Just’s key contributions were served to enhance our understanding of the main parts of early biological development. He focused on fertilization, cell division, artificial parthenogenesis, the physiology of cell development, and the effects of dehydration and ultraviolet radiation on cell and chromosome structure. Ernest Just produced ground-breaking research in cell biology at the Woods Hole Oceanographic Institution in Massachusetts. It had been at the Woods Hole laboratories when he’d made and important discovery about cell cleavage, the successive cell divisions leading to the formation of the embryo.
Karl Blossfeldt was born in 1865 and was a German photographer, sculptor, teacher and artist that worked in Berlin, Germany. He was best known for his series of homemade cameras ranging from a zoom of up to 30 times the actual size of the subject. As his cameras were created in such an early period of time, his work amazed thousands and his photographs published as Unformen der Kunst was an instant bestseller, making Blossfeldt famous overnight. He photographed magnified images of plants, showing the architectural and artistic nature of the abstract shapes and structures of how plants grow; which both him and his father were inspired by. Blossfeldt was also a professor of Applied Art at Berlin Arts and Crafts School and used his photographs with his students, showing them too of the different forms of plants up close for their study.
This bacteria is a little beneficial because it increases brain productivity but has a side effect, it drain a lot of energy. After many tests in the many countries, many different results have been collected. In France, many scientists decided to recreate the test in which they placed the bacteria on an alive guinea pig’s brain. The result were that the guinea pig were apparently getting smarter however that they were getting weaker and lost much of it’s energy and many of them died. In United State, one scientist named Henry Watterson heard about the bacteria and wondered if it might be a cure for Alzheimer’s so he decided to test the bacteria on five humans who had Alzheimer’s and compared the result with five other people with Alzheimer but not with the bacteria.
Pisarev. Pavlov abandoned his religious career for a life dedicated to science, studying and working tirelessly on a seemingly endless number of projects that would later yield a series of discoveries representing a pivotal turning point in psychological viewpoints. He became obsessed with physiology, which eventually earned him a gold medal for is work on the physiology of pancreatic nerves and ended up being his fundamental area of study. In the Institute of Experimental Medicine, Pavlov did most of his research regarding the digestive system. This research would inadvertently lead to Pavlov’s most famous and well recognized discovery, which brought with it a Nobel Prize in Psychology and Medicine.
3.) List the personal details that Gates supplies about himself. Given the nature of these details and the fact that Gates today is a respected scholar and university professor, do you think the doctor was justified in calling him “ an overachiever” (paragraph 27)? Do you think he would have considered Gates an overachiever if he had been white? The personal details that Gates supplies about himself are, he want to be a doctor , he enjoys and very good at science.
Even though his experiments were controversial, Henrietta’s cancer cells were special because they were the “first immortal human cells ever grown in culture and thus vital to the development and discovery of several medical landmarks like the polo vaccine, cloning, gene mapping, and in vitro fertilization.” (Zielinski) Of the many ethical issues that arise in the book The Immortal Life of Henrietta Lacks by Rebecca Skloot, one of the most important topics revolves around the autonomy of the prisoner’s consent of such dangerous experimentation. The general definition of autonomy is self-governance. Autonomy can be broken down into two areas. First, “autonomous behavior is governed by plans of action that have been formulated through deliberation or reflection.” (p.83) Secondly, it must be intentional and voluntary, “from choices people make based upon their own life plans.” (p.83) Terrance Ackerman describes four conditions that can constrict a person’s ability to act autonomously. Out of the four constraints; physical, cognitive, psychological, and social, the prisoners are affected physically and therefore can not make autonomous decisions.
This quest for knowledge induced a time of experimentation to further intelligence pertaining to the drug. This led to experiments testing everything from autism to alcoholism. The government was also trying to exploit the drug for “mind control” use (Inside LSD). One example that proved LSD had a positive use was Dr. James Fadiman’s experiment on administering large doses to scientists participating in his study. The data compiled revealed that all the problems they had addressed during the experimentation were solved more intelligibly and creatively.
Their experience of mummification taught the priests about the workings of the human body, and some members of the priesthood evolved into professional doctors. Further still, the Egyptians invented the skills of writing and calculation, which Egyptian doctors were able to use to develop their ideas and record their cures. The ancient Egyptians travelled and traded all over the known world, and brought back all kinds of herbs and spices, which their doctors then used to heal certain diseases. Most of all, they developed a wealthy way of life, which left them time for observation and reflection. From their observations of the irrigation channels used by farmers to water their crops became an important medical development - the invention of the Channel Theory.