Health Heelers Dog Therapy at Marquette University
During finals week at Marquette University, Health Heelers (a dog therapy organization) stopped by with some of their canine companions to offer a little stress-reducing playtime to students.
Chain Stories - European Union Language Project Production in the Innovation Economy (PIE): A New MIT Study on the Current State and Future of U.S. The Production in the Innovation Economy (PIE) project brings together leading MIT faculty from a variety of disciplines to look at the present state and future of U.S. manufacturing. The study's overarching goal is to shed light on how America's great strengths in innovation can be scaled up into new productive capabilities. This talk will present some preliminary findings from PIE and focus on examples of promising manufacturing models based on over 150 company interviews to date. 7.2 The eubacterial chromosome Some of the diverse roles of chromatin components can be illustrated by examining the E. coli chromosome. Like most prokaryotes, E. coli has a single chromosome consisting of a single double-stranded circular DNA molecule. There is no nucleus present, but the E. coli DNA is within a discrete entity in the cytoplasm called the nucleoid. The nucleoid contains a multitude of proteins and is in close proximity to the ribosomes, where translation occurs. In addition to 6.5 Conformational changes upon protein–DNA interactions During binding, both the protein and the DNA can alter their conformation. In the case of proteins, this conformational change can involve small changes in side-chain location, but can also involve local refolding. These changes upon binding of specific DNA sequences serve to facilitate the interaction and also to enhance the binding of other proteins, such as when dimerization of two proteins occurs at a single recognition site. Changes such as these can be the basis of cooperative binding e Quadruplex structures The ends of linear chromosomes are protected from potential damage by special elements called telomeres. In many organisms, telomeres consist of long stretches of DNA that contain many thousands of copies of G-rich repeat sequences. They are easily detected by FISH (Subsection 2.4), as shown in the case of human telomeres in Fig 4.2 Iron transport It is obvious that iron must be transported around the human body. Firstly, it must be transported from the food in the gut to the places where it is required. Mostly, iron is required in the bone marrow, where red blood cells are formed. Red blood cells have a finite lifetime of about only four months, and old cells are destroyed, usually in the spleen. Iron from the destruction of these cells is then transported from the spleen back to the bone marrow to be recycled. Iron cannot be tr 3.5 A new life There is a common belief that life begins at the moment of conception, i.e. when a sperm fuses with an egg. This is a step forward from past years, when life was alleged to start at the time of ‘quickening’, i.e. when a woman could feel her fetus moving inside her. However, both these opinions suffer from an underlying falsehood: that life ‘begins’ at all. Life is a continuum; gametes are produced by living parents, and fuse to produce new living individuals, but unfused gametes are n 1.5.1 Instantaneous velocity Uniform motion is simple to describe, but is rarely achieved in practice. Most objects do not move at a precisely constant velocity. If you drop an apple it will fall downwards, but it will pick up speed as it does so (Figure 24), and if you drive along a straight road you are likely to encounter some traffic that will force you to vary your speed from time to time. For the most part, real motions are non-uniform motions. 3.2.1 Axes A graph is made using two different scales or axes, forming a right angle. The horizontal axis (x-axis) is used to represent the variable that changes in a consistent way, such as time, or in a way that you can control. The vertical axis (y-axis) is used to represent a variable that you measure but may not be able to control directly, such as a patient's temperature. Each axis should be carefully labelled to indicate what it represents. To plot a graph, you put a mark at the poin 1.7.3 Framing an appropriate and useful research question At the heart of any research is the research question. The quality of output hinges on the quality of the question: why it is asked, how it is asked, how it relates to other questions and knowledge, and what might constitute an answer. Hence, one key skill is demonstration of the ability to develop a well-formulated question. The examiner will be looking for evidence of: articulation of the motivation and significance of the question 1.4.8: Graphical conversions: summing up This section started by looking at conversion graphs which were straight lines passing through the origin of the graph. The intercept in those cases was zero, and only one number – the gradient – was needed to describe the relationship between the quantities plotted on the horizontal and vertical axes. In the more general case, the graph is still a straight line with a constant gradient, but the line no longer goes through the origin. An extra number – the intercept – is used to pin t 1.4.4 Graphical conversions: How is the constant of proportionality represented on a graph? One of the main features of a straight-line graph is that the line has a constant slope. The gradient of the slope is numerically equal to the constant of proportionality. For a 1 : 25 000 map, the constant of proportionality between ground distances in kilometres and map distances in centimetres is 0.25 km per cm. So the gradient of the corresponding graph is 0.25. A similar relationship holds for a 1 : 50 000 map. In this case, 1 cm on the map corresponds to 0.5 km on the ground, so t 4.3 Graphical conversions: How do you use the graph? Look at Figure 9. Start with the map distance on the horizontal scale, move vertically up until you reach the line, then move horizontally until you reach the vertical axis. The number at that point will give you the corresponding ground distance in kilometres. Introduction Graphs are a common way of presenting information. However, like any other type of representation, graphs rely on shared understandings of symbols and styles to convey meaning. Also, graphs are normally drawn specifically with the intention of presenting information in a particularly favourable or unfavourable light, to convince you of an argument or to influence your decisions. This unit is from our archive and is an adapted extract from Open mathematics (MU120) which is no longer 4.6.1 Remarks We already know that the characteristic numbers are topological invariants, that is, any two homeomorphic surfaces have the same values for the characteristic numbers. Thus it is solely the converse, namely if two surfaces have the same values for the characteristic numbers then they are homeomorphic, that we have to prove. It follows from the Author(s): Climate change Nature matters: Systems thinking and experts Understanding the environment: Co-evolution Understanding the environment: A systems approach
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Climate change is a key issue on today’s social and political agenda. This unit explores the basic science that underpins climate change and global warming. First published on Tue, 26 Jul 2011 as Climate change. To find out more visit The Open University's
This unit explores conceptual tools for assisting our thinking and deliberation on what matters. The notion of ‘framing’ nature is introduced and three readings provide an understanding of systems thinking for explicitly framing issues of environmental responsibility. First published on Wed, 27 Jul 2011 as Author(s):
There is increasing recognition that the reductionist mindset that is currently dominating society, rooted in unlimited economic growth unperceptive to its social and environmental impact, cannot resolve the converging environmental, social and economic crises we now face. The primary aim of this unit is to encourage the shift away from reductionist and human centred thinking towards a holistic and ecological worldview.Author(s):
There is increasing recognition that the reductionist mindset that is currently dominating society, rooted in unlimited economic growth unperceptive to its social and environmental impact, cannot resolve the converging environmental, social and economic crises we now face. The primary aim of this unit is to encourage the shift away from reductionist and human centred thinking towards a holistic and ecological worldview. Thus, the study unit promotes the shift in perception towards socio-economic
