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Keynes’ Law and Say’s Law in the AS–AD Model
OpenStax College
By the end of this section, you will be able to: Identify the neoclassical zone, the intermediate zone, and the Keynesian zone in the aggregate supply–aggregate demand model […]

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Diversity Lecture: Jeannette Walls
Author Jeannette Walls speaks about the lessons she's learned since writing her book "The Glass Castle." Sponsored by the Bob and Aleicia Woodrick Diversity Learning Center at Grand Rapids Community College.
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Derivatives of Logarithmic Functions
This video demonstrates how the derivative of the natural logarithmic function (ln[x]) is simply 1 divided by x. It describes how this derivative can be found using both the definition of the derivative and a calculator. Derivatives of logarithmic functions are simpler than they would seem to be, even though the functions themselves come from an important limit in Calculus.  (5:13)
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Demo: Using BLAST/BLAT in Ensembl
We demonstrate the BLAST/BLAT tool in Ensembl. Search for a sequence in www.ensembl.org, and identify hits to the genome, or to genes, with this tool.
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Wild About Safety with Timon and Pumbaa - Safety Smart Healthy & Fit
Timon and Pumbaa show you how to be healthy and fit with their germ-free philosophy. From the importance of hand-washing to making healthy food choices, Timon and Pumbaa's Safety Smart® Checklist is brimming with valuable kid-friendly lessons on how to prevent the spread of germs and maintain overall well-being. Now, that's Safety Smart! (12:32)
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Rebirth of A Nation: Can Libya Develop Stable Democracy?
Pulitzer Center journalist William Wheeler looks at Libya's attempt to transform itself into a stable, peaceful and democratic country. Wheeler is in Libya working on his latest project "Libya: The Rebirth of a Nation" (http://bit.ly/tDgViS) He is investigating the efforts of Libya's new leaders to disarm and integrate the disparate bands of fighters now in Tripoli's streets, and its willingness to account for the thousands of guest workers whose fate is still unknown.
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Venture capital firms focus on Berlin
Oct. 28 - The German capital has gained a reputation as Europe's newest start-up hub, and now venture capital firm Earlybird is setting up an office in Berlin to be closer to the firms it wants to invest in. Joanna Partridge reports
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Total gets lift from higher oil prices
Oct. 28 - French oil major Total posted higher quarterly earnings on Friday as stronger crude prices and improved profitability in its refining business helped make up for a fall in its worldwide oil and gas production. Hayley Platt reports
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Asia Week Ahead: Major PMI figures coming up next week
Oct. 28 - Major economies from Japan to India will release PMI figures next week; Australia's RBA is expected to slash rates by 25 basis points after softer-than-expected inflation last quarter. Kei Okamura reports.
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Spain's jobless rate at 15-year high
Oct. 28 - Spain's unemployment rate rose to the highest level since the end of 1996 in the third quarter with little hope of job creation. Investors are watching Madrid closely as it remains at the forefront of their concerns about Europe's debt commitments. Joanna Partridge reports
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Scuffles at Greek "No" protest
Oct. 28 - Scuffles between anti-austerity demonstrators and police break out in Athens as national Oxi Day parades are disrupted by protesters. Conway G. Gittens reports.
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Notability App for iOS
'Welcome to Notability, a powerful note-taker to annotate documents, sketch ideas, record lectures, and more, on iPhone, iPad, and Mac.Notability is the one place to create, share, and manage your notes. It combines handwriting, typing, audio recordings, and photos so you can create notes that fit your needs. And with iCloud support, your notes are always available on iPhone, iPad, and Mac. Anytime. Anywhere. Take beautiful notes- Handwrite notes or sketch ideas using gorgeous variable widt
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Learning outcomes

By the end of this unit you should be able to:

  • explain the concept of energy transfer between trophic levels;

  • outline the usefulness and limitations of food chains and food webs;

  • using examples, weigh up the value of dietary specialisation and of omnivory;

  • summarise the physiological changes linked with ‘hibernation’ in grizzly bears;

  • give examples of variations in diet and lifestyle amongst the bear family;


    Author(s): The Open University

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    Copyright © 2013 The Open University

street chairs groovin at satchel's
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DMC TV: Veterans Office Dedication Ceremony
On Oct. 21, 2011, Del Mar College celebrated the opening of its new Veterans Office in the Harvin Student Center on the East Campus of Del Mar College. The event coincided with the 2011 Veterans Summit hosted by U.S. Rep Blake Farenthold on the College's East Campus.
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007 is back, Rihanna cancels again
Nov. 3 - The latest celebrity and entertainment headlines including new Bond film announced, Rihanna cancels more shows and closing arguments in the Conrad Murray trial. Lindsay Claiborn reports.
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Gregorian Chant Music
Chant Gregorian - Benedictos prayer and glory to God, came from the inspiration of Pope Gregory the Great. (4:24)
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Marsh Fork Elementary
Meet the children of Marsh Fork Elementary in Sundial, West Virginia. The very coal mining that supports the community also threatens the local students.  Professor Charlie brings awareness to this potentially dangerous situation of living so close to one of America's biggest coal mines. (4:44)
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Figurative Language (in Song)
Mrs. Abbott made this three-minute video for her class. She found the song "Figurative Language" on iTunes. The group who sings it is 'Rhythm, Rhyme, Results'.


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Professor Karl Spracklen - 60 seconds research
Professor Karl Spracklen, Professor of Leisure Studies at Leeds Metropolitan University, describes his research interests in just sixty seconds. http://mediacentre.leedsmet.ac.uk/author/karl-spracklen/ http://www.leedsmet.ac.uk/research/professor-karl-spracklen.htm
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