May 2007 A Farewell to Arms By John Carlin For those on the ramparts of the world’s sole superpower‚ the digital winds are blowing an icy chill through the triumphant glow of the post-Cold War. People in Washington play lots of games‚ but none for higher stakes than The Day After. They played a version of it in the depths of the Cold War‚ hoping the exercise would shake loose some bright ideas for a US response to nuclear attack. They’re playing it again today‚ but the scenario has changed
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Escherichia coli and Staphylococcus albus Some bacteria’s require a certain amount of light in order to function properly and there fore survive. Escherichia coli is found in the gut and intestines of mammals. Staphylococcus albus is generally a skin dwelling bacteria Aim: To test whether the amount and type of light that the bacteria’s E.coli and S.albus are subject to causes changes in their growth rates and habits. To test whether the growth rates and habits of the bacteria’s E. coli
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1. INTRODUCTION 1.1. The gut microbiome The human body is a teeming metropolis of distinct microbial communities known as microbiomes. Members of these communities are microscope‚ single-celled organisms which support various physiological processes including immune defense‚ growth‚ and digestion (Bengmark‚ 2013; Collins et al.‚ 2012; Cryan & Dinan‚ 2012; Diamond et al.‚ 2011). Within the human gastrointestinal (GI) tract lies a particularly fascinating population of microbiota known for their enormity
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Lauren Clayton BIOL–15 Extra Credit Bugs‚ Guts‚ and Brains Seminar Summary During the seminar “Bugs‚ guts and brains: How gut microbiota shapes your mind and body” on November 7‚ Physiologist from UC Davis‚ Dr. Helen Raybould discussed how gut microbes in humans and animals affects neurophysiology based primarily on the foods we eat and the genes expressed in the gut. There is an intersection between micro and host physiology that affects the overall health and behavior of the host. To understand
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Cooking Rice and Peas Jamaican Style Many people identify Jamaica with beautiful white sand beaches with clear blue waters. Jamaica offers more than unspoiled nature‚ given its motto – Out of many one people‚ one will find a mixture of ethnicities and more which have impacted on some of the traditional dishes we now prepare today. One such traditional dish is rice and peas‚ which has become famous as one of our Sunday Jamaican dishes. Rice and peas is prepared using a combination of rice
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The impact of C- difficile on today’s nursing home patients. Clostridium difficlie ( C-Diff) is a bacterium that is related to the bacterium that causes tetanus and botulism. The C difficile bacterium has two forms‚ an active infectious form that that cannot survive in the environment for prolonged periods and a non active "non infectious" form called a spore‚ that can survive in the environment for prolonged periods. Although spores cannot cause infection directly‚ when they are ingested they transform
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Organisms have complex and extraordinary tools for sensing their environments. These tools have been honed to enable them to efficiently navigate the world around them. As a result‚ each and every organism alive today is the product of natural selection. Over time‚ this acquired set of skills evolved into the five common senses; sight‚ smell‚ touch‚ hearing‚ and taste. Taste is one of the most valuable ways an organism can interact with its environment‚ since the ability to identify and process the
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What are probiotics? Probiotics are bacteria that help maintain the natural balance of organisms (microflora) in the intestines. An estimated 100 trillion microorganisms representing more than 500 different species inhabit every normal‚ healthy bowel. These microorganisms generally don’t make us sick; most are helpful. Gut-dwelling bacteria keep pathogens in check‚ aid digestion and nutrient absorption‚ and contribute to immune function. Probiotic therapies suggest that certain probiotics may help
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Clostridium Difficile Clostridium difficile also known as C-diff in the medical world or C. difficile in the science world is a bacterium that infects the colon of humans. C-diff belongs to the bacteria Domain. Bacteria are unicellular organisms that contain Peptidoglycan in their cell walls. C-diff is a member of the phylum Firmicutes which means it has a Gram-positive stain and a low guanine and cytosine content. C-diff is also classified as a clostridia meaning it has a lack of aerobic respiration
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I. Name of the Company [pic] Yakult is a pro biotic milk-like product made by fermenting a mixture of skimmed milk with a special strain of the bacterium Ltobacillus casei Shirota. It was created by Japanese scientist Minoru Shirota‚ who graduated from the Medical School of Kyoto University in 1930. In 1935‚ he started manufacturing and selling Yakult. Official claims state that the name is derived from jahurto‚ an older form of jogurto‚ the Turkish word
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