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#402: Silent killer: Coming to grips with an emerging epidemic of viral hepatitis

Infectious diseases expert and epidemiologist Dr Ben Cowie explains why viral hepatitis is fast becoming a hidden epidemic with significant public health consequences. Most people with chronic hepatitis types B and C aren't even aware they have the diseases as they show no obvious symptoms or signs, yet they risk severe illness or liver damage.
Author(s): up-close@unimelb.edu.au (University of Melbourne)

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Why Can I See the Moon During the Day?
Have you ever noticed the moon hanging out in the daytime sky and wondered why? (03:51)
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How Unconscious Biases Block Effective Interactions
Nearly everyone has unconscious biases when interacting, notes a new book. But learning how to shift filters can boost effectiveness in dealing with others.
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Tasting menu: Audio highlights from the October 28th 2017 edition

This week: Armando Iannucci on the farce in the White House; the bad side of driving in Myanmar; and a cultural history of hauntings for Halloween


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Money talks: A healthy deal?

Is Amazon’s rumoured entry into the pharma market the real impetus behind the CVS Health and Aetna deal? And Barry Eichengreen, Economist from the University of California, questions how long the dollar can stay dominant. Also, how is France coping with a butter shortage? Simon Long hosts.


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Physical Infinities - A Substitute for God
Talk given by Dr Peter Bussey as part of short course 6
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Introduction

Contributions from leading academics, voluntary sector campaigners and practitioners, highlight the distinctive features of Scotland's experience of poverty and the extent to which devolved and reserved policies have contributed to progress in tackling it.

This OpenLearn course provides a sample of Level 1 study in People, Politics & Law
Author(s): The Open University

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Copyright © 2016 The Open University

The week ahead: Gunning for change

As America's Congress dithers on gun control, some states move forward with reforms. But will these laws save lives? Also, a new Russian generation speaks out. And, the hygiene revolution in Bangladesh. Christopher Lockwood hosts


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Lesson 01 - One Minute Luxembourgish
In lesson 01 of One Minute Luxembourgish you will learn how to say 'hello' and 'goodbye' in Luxembourgish. Remember - even a few phrases of a language can help you make friends and enjoy travel more. Find out more about One Minute Languages at our website - http://www.oneminutelanguages.com. One Minute Luxembourgish is brought to you by the Radio Lingua Network and is ©Copyright 2008.Author(s): No creator set

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How Europe’s Banking Revolution Will Boost Fintech
In a move that will give fintech companies the wind at their back, Europe is requiring banks to release account records to third-parties when customers request it.
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Teach your students the history of the internet
Iot History-min.jpg
Author(s): Kevin Cummins

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Money talks: Should we tax sugar?
Governments around the world are taxing sugary drinks to help curb obesity, but do so-called 'sin taxes' on the likes of sugar or cigarettes work or has the nanny state gone rogue?
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The week ahead: The real Trump
This week: What to expect as the primary race grinds on in America, and a security clampdown in Tibet
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2.5 Non-Linearity

A linear system can be defined in two ways: (1) one which obeys the principle of superposition, and (2) one possessing the frequency-preservation property.

If we consider an optical fibre with electromagnetic field as the input and output, then provided that the power level of the input signal is not too great (less than 1 mW, which is 0 dBm), the fibre may be well modelled by a linear system for most purposes.

When fibre is used for a single point-to-point link to convey a digita
Author(s): The Open University

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5.13.2 Circular membrane

When a membrane that is stretched over a circular frame is struck, energy is supplied, which again causes the membrane to vibrate in a number of modes simultaneously.

The first six modes in which the circular membrane can vibrate are shown in Figure 20. The diagrams comprise circles that are conce
Author(s): The Open University

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2.2 Characters

Characters are another fundamental form of data. Computers store characters as integers, and system hardware and software translate these integer codes so that monitors and printers can display them.

As well as the familiar characters appearing on a keyboard, the current international standard (UNICODE) includes codes for characters from a variety of languages and alphabets (such as ê and ö). For simplicity, examples in this course will use only a part of this code, as given in
Author(s): The Open University

Precolonial Microbiome: how microbiologists access anthropology museums to contribute to the debate
Frederick Keck, Musée du quai Branly, presented this Anthropology Departmental Seminar on 26 October 2018
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Lab, Camera, Action: Make your own CD spectrometer
How do we know what the stars are made of when we've never been to one? Dr Andrew Steele shows us how to make a spectrometer, a device used by scientists to analyse light, using a cereal box and a CD.
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Richard Feynman

Richard P. Feynman (1918-1988)

Figure 36Author(s): The Open University

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Examples 3 and 4

Example 3

Example 3
Author(s): The Open University

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