Sarah Burns Evolution of Plague Bacteria The Bubonic Plague otherwise known as the Black Death‚ has gotten most of its attention from medieval paintings‚ poetry‚ and journals of revulsion. The real horror‚ was the disturbing biological evidence of the bacteria that caused all the pandemics‚ known as Yersinia pestis. The pathogen got its name from the two investigators Yersin and Kitasato. In 1894‚ Yersin was known as the main investigator (ergo. Named after him)‚ he claimed that the mice/rats were
Premium Bacteria Black Death Yersinia pestis
Hominid Evolution The evolution of hominids has been and still is a heated topic of debate. Many scientists debate over which species can be classified as “human”. The root "hominid" refers to members of the family of humans‚ Hominidae‚ which consists of all species on our side of the last common ancestor of humans and living apes. The time split between humans and living apes used to be thought of fifteen to twenty millions of years ago‚ but now the time period has shifted to around five
Premium Human evolution Human Neanderthal
Site Plan | I. Neurons/nerve cells A neuron is a cell specialized to conduct electrochemical impulses called nerve impulses or action potentials. Neuron is the main cellular component of the nervous system‚ a specialized type of cell that integrates electrochemical activity of the other neurons that are connected to it and that propagates that integrated activity to other neurons. They are the basic information processing structures in the CNS.
Premium Neuron Action potential
Trace the evolution of the music known as "bop" or "bebop" from the swing era of the 1930s and early 40s‚ into the 1950s. What developments and artists in the swing era were a precursor to bop? Is Bop a reaction to the swing/ big band style? Why or why not? What are the principle differences between bop and the typical music of the swing/big band era. Name 3 pioneers of the bop style‚ and why they are significant in the history of jazz. Bebop came from swing it did not suddenly appear but gradually
Free Jazz Music Dizzy Gillespie
Parkinson disease is a disease of the nervous system that affects movement. The disease is characterized by progressive loss of nigrostriatal dopaminergic cells due to a dopamine deficiency. Brain cell connections degenerate and die causing memory loss and destroying other important mental functions. Researchers are still unsure as to why the disease develops. A combination of genetic and environmental factors are thought to contribute to the risk of getting Parkinson’s‚ says Catherine Kopil‚ PhD
Premium Brain Neuron Alzheimer's disease
following health issues‚ like heart disease and stroke. Heart disease has controllable risk factors like‚ hypertension‚ high cholesterol‚ diabetes tobacco use‚ obesity and poor diet. It is important for one to address these risks early because only then he or she can prevent the problems of cardiovascular disease. A poor diet that consists of high fat‚ high cholesterol and excess salt can add to causes for heart disease. The chemicals in cigarettes harm ones’ blood cells‚ and damage the function of his
Premium Myocardial infarction Hypertension Atherosclerosis
SUMMARY With the passage of time men has advanced in technology in fulfilling his needs and desires. After the mechanical evolution world is now living in evolution of Informational Technology. Mechanical evolution innovate means of transportation whereas Information Technology invented a new way of communication called Internet. Astoundingly communication can be done from anytime anyplace all over the world through internet. The number of people especially among young generations internet is gaining
Premium Internet Internet Protocol Suite World Wide Web
What causes viral diseases? Viral infections occur when a virus enters the body and invades the inside of the body’s cells in order to reproduce. If the body’s immune system is unable to fight off the virus‚ it multiplies and spreads to other cells‚ repeating the process and leading to a widespread infection. Signs & Symptoms of rabies One of the most distinctive signs of a rabies infection is a tingling or twitching sensation around the area of the animal bite. In people‚ symptoms of rabies include
Premium Infection Inflammation Hepatitis
EVOLUTION OF SOCIOLOGY Soculita Classical Period - Classical Political Thinkers: Plato‚ Niccolo Machiavelli‚ Jean Jacques Rousseau‚ Polybius‚ Thomas Hobbes and Giambattista Vico * according to them‚ political issues are only parts of the specific concerns of the society - attempts were made to find the connections of political issues with social and other physical factors * Baron de Montesquieu postulated that climate‚ geographic‚ economic and
Free Sociology
history and how organisms related to each other. Cladogram might be useful for the conservations plans of species that at risk of extinxtion. Introduction Cladogram is a tree diagram that is designed to determine the relatedness and evolution of species. Two methods to produce a cladorgam one based on morphological characteristic and another based on sequence of amino acid. Based on morphological characteristic‚ first‚ taxa are chosen that are close or being interesting of their evolutionary
Premium Species Mammal Evolution