Where Did Earth’s Water Come From?
Water covers over 70% of the Earth, cycling from the oceans and rivers to the clouds and back again. It even makes up about 60% of our bodies. But in the rest of the solar system, liquid water is almost impossible to find. So how did our planet end up with so much of this substance? And where did it come from? Zachary Metz outlines the ancient origins of water on Earth. (03:53)
Lewis and Clark
In 1803, Thomas Jefferson commissioned Merriwether Lewis and William Clark to find a water route from the east to the west coast of North America which they undertook beginning on May 14, 1804. (1min)
School House Rock Counting by Five
This is a vintage clip from Schoolhouse Rock. (03:01)
1 Expectations and administrative pressures The medical prognoses and diagnoses of dying raise expectations of what will actually happen to the dying person. For example, someone is diagnosed with terminal lung cancer, they will be given a forecast that covers the estimated length of time before death, any likely symptoms, the development of the illness, and possible treatment(s). Of course, these types of medical expectations are not unique to death and dying: they are found in all treatments of illness, and no doubt you will have had
مدرستي Assessing Global Financial Stability: where do we stand? [Audio] Tasting menu: Audio highlights from the December 16th 2017 edition How Doug Jones became Alabama's first Democratic senator in 25 years; Helle Thorning-Schmidt, former prime minister of Denmark, on the top three trouble spots facing the world in 2018; and... er... the importance of... um… hesitating... in good conversation Money Talks: The Quiz Andrew Palmer, Simon Long and Rachana Shanbhogue answer tough questions about finance and economics and fight for prizes. Philip Coggan is our quizmaster supremo. Storm Tracking in Penguia Does Repealing the Clean Power Plan Make Economic Sense? How Pay Inequality Affects the Bottom Line What Are the Ties between Oligarchs, Moscow and Washington, D.C.? Father's Day Promotions A Theist's Perspective on the Philosophy of Science and Religion What Is The Spring Equinox? Cours d'analyse mathématique : Ch. 2 Intégrale de Riemann en 1D Being an OU student Multidisciplinary study: the value and benefits Advanced Spanish: Protest song Advanced Spanish: Language in context
Video link (see supported sites below). Please use the original link, not the shortcut, e.g. www.youtube.com/watch?v=abcde
Speaker(s): Dr Tobias Adrian | Editor's note: We apologise for the poor audio quality of this podcast. Financial instability can put growth at risk. How should global financial stability issues been analyzed? What is the IMF’s current assessment of global financial stability? During his lecture, Tobias Adrian will discuss the main features of a framework to assess global financial stability in a comprehensive and consistent way. He will also present the analysis of the October 2017 Global Fina
In this Cyberchase video clip, Inez marks the times that a storm passed through various towns on a map. She observes that the towns are each five miles apart, and there are fifteen minute intervals between when the storm hits each town. She realizes that this means the storm is traveling five miles every fifteen minutes. Since Power Pass is ten miles away from Winterdale, the last town the storm hit, she multiplies to figure out that the storm will pass through Power Pass 30 minutes after Winter
Repealing the Clean Power Plan will not only lead to adverse health and environmental effects, but it will also hurt U.S. competitiveness, experts say.
Pay inequality is a persistent problem that is getting more exposure than ever before. Recent Wharton research examines how inequality affects individual workers and entire companies.
Wharton's Philip Nichols and Penn's Mitchell Orenstein discuss the connections between Russian oligarchs, the Kremlin and the 2016 U.S. presidential election.
Father's Day Promotions.
Talk given by Prof. Keith Ward as part of the science, religion and atheism short course
Meteorologist Jim Cantore and Winter Weather Expert Tom Niziol explain what the Spring Equinox is. (01:00)
1- Intégrale de Riemann : Définition 2- Propriétés de l'intégrale de Riemann 3- Intégrale d'une fonction monotone 4- Intégrale d'une fonction continue 5- Intégrale d'une fonction discontinue 6- Intégrale d'une fonction dérivée 7- Intégration par parties 8- Formule de changement de variable 9- Intégrale de Riemann impropre ( ou généralisée ). Il y a plusieurs théories de l’intégration ; celle qui est développée ici est la plus simple c’est aussi celle qui convient le mieux
In the course, you’ll get a flavour of what OU study is actually like, learn about how you’ll be supported, the technologies you’ll use and start to develop the skills you’ll need to succeed. First published on Wed, 08 Aug 2018 as Being an OU student. To find
This free course, Multidisciplinary study: the values and benefits, explores the advantages of studying more than one subject and will help you to decide if multidisciplinary study is for you. Featuring videos with students on the Open University’s ‘Open’ qualifications, you will learn about the unique skills you can gain from studying a multi-subject qualification and how it can benefit your career prospects.
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This free course, Advanced Spanish: Protest song, will develop your knowledge and understanding of the societies and cultures of Spain and Latin America and extend the practical skills of listening, speaking, reading and writing. The course focuses on protest song, a musical genre that has played an important role in Hispanic society. First published on Thu, 26 May 2016
This free course, Advanced Spanish: Language in context, will develop your knowledge and understanding of the societies and cultures of Spain and Latin America and extend the practical skills of listening, speaking, reading and writing. The course focuses on the many ways in which living languages - notably Spanish - adapt to the contexts in which they are used. Firs
