There is a fascinating world of nature all around us which we can see if we know how to look for it. Wherever you live, be it in a city or the countryside, you will find areas that support a range of wildlife. This free course, Neighbourhood nature, will provide you with basic scientific and observational skills so that you can go into your local neighbourhood to discover the animals and plants in open spaces. You will learn how to observe, identify and record the wildlife around you, building u
Introducing the environment: Ecology and ecosystems
What is ecology and why is it important to our understanding of the world around us? This free course, Introducing the environment: Ecology and ecosystems, looks at how we can study ecosystems to explore the effect that humans are having on the environment. First published on Wed, 29 Feb 2012 as Author(s):
School activities: Evolutionary tree of mammals
This introduction to the evolution of mammals considers Darwin's observations on mammals and how he noticed that species fell into natural groups. This free course, School activities: Evolutionary tree of mammals, looks at evidence from fossils and DNA to examine which mammals are most closely related to whales. First published on Mon, 23 J
Revolutions in sound recording
Since the invention of the phonograph in 1877, the recording and playback of sound has been a key element of life in the western world. This free course, Revolutions in sound recording, traces the technology and characters of the sound recording industry as it advances from Edison's original phonograph to the formats we know today. Author(s):
Identity and Access Control Today I woke up thinking that talking about Identity and Access Control and how your strategy around that affects you (web-) app's architecture without going too deeply into the security lingo that usually comes with it. Here's the 40 minute result. I start with HTTP's "native" authentication model RFC 2617 and how that's universally bad, with both Basic and Digest authentication having issues Digest being, ironically worse for the overall security strategy. Then I d
Today I woke up thinking that talking about Identity and Access Control and how your strategy around that affects you (web-) app's architecture without going too deeply into the security lingo that usually comes with it. Here's the 40 minute result.
I start with HTTP's "native" authentication model RFC 2617 and how that's universally bad, with both Basic and Digest authentication having issues Digest being, ironically worse for the overall security strategy. Then I d
Sir Isaac Newton: Full Biography
Isaac Newton was born December 25, 1642 in Woolsthorpe, Lincolnshire, England, and died March 20, 1727 in London, England. Newton was an English physicist and mathematician, who was also the culminating, figure of the scientific revolution of the 17th century. With discoveries in optics, motion, and mathematics he developed the principles of modern physics. He was the original discoverer of the infinitesimal calculus. Newton's Philosophiae Naturalis Principia Mathematica (Mathematical Principles
How Did English Evolve?
What is the difference between "a hearty welcome" and "a cordial reception"? In a brief, action-packed history of the English language, Kate Gardoqui explains why these semantically equal phrases evoke such different images. (05:04)
U.S. Day Ahead: Get ready for more manufacturing gloom
Dec 13 - If you are betting on the manufacturing sector creating jobs, you might want to wait till the Markit PMI figures come out Friday - they are not expected to be pretty.
2012 ESCR Institute: Human Rights and the Social Determinants of Health
In early November 2012, leading scholars, health practitioners, and advocates gathered for a discussion of what a human rights analysis has to offer to the dialogue about health outcomes in this country, and globally.
Topic 7: Public Goods and Externalities Part 2 | Econ2450A: Public Economics
Raj Chetty Fall 2012
Music as a Language
Music is a powerful communication tool--it causes us to laugh, cry, think and question. Bassist and five-time Grammy winner, Victor Wooten, asks us to approach music the same way we learn verbal language--by embracing mistakes and playing as often as possible. (05:00)
Find older shows at QuickAndDirtyTips.com
Get the transcript of this podcast, and many other Quick and Dirty Tips Podcasts, at QuickAndDirtyTips.com
SDSU Geological Sciences - Thesis Defense - Shana McCarthy
By: tcarrasc A Geochemical Evaluation of Enhanced In-Situ Bioremediation of Chlorinated Ethenes In Groundwater Shana McCartrhy M.S. Candidate Department of Geological Sciences San Diego State University Advisor Dr. Kathy Thorbjarnarson -------------------------------------------------------------------------------- ABSTRACT Sites impacted with chlorinated solvents present unique technical challenges when compared to most other groundwater contaminants. Chlorinated volatile organic compounds (CV
Engaging with Detroit
University of Michigan students live, study and work in the Motor City
Anatomy of an Orientation
Video for the new OHCC six-week format!
A 360 degree view at 322 kilometers an hour
The world's first spherical 360-degree camera made by a Norwegian company is attached to a Formula One car, and could herald a change in the way racing is filmed in the future. Joel Flynn reports.
Barry Schwartz's 'Practical Wisdom'
Swarthmore professor Barry Schwartz says rules and incentives are an "insurance policy against disaster, but [they don't] produce excellence." In his recent book, Practical Wisdom: The Right Way to Do the Right Thing, Schwartz and co-author Kenneth Sharpe, also a Swarthmore professor, say that what is needed is not more bureaucracy. Instead, society needs the Aristotelian ideal that trumps all others -- practical wisdom. Knowledge@Wharton recently sat down with Schwartz to discuss why individual
Annabelle's Wish Part 1 Christmas
This is a wonderful fiction story sharing the true meaning of Christmas. This is a wonderful resource for school and home. (15:00)
Annabelle's Wish Part 4
A poor farmer struggles to raise his orphaned grandson, who was left mute after a raging barnfire. When a beautiful little calf is born on the farm on Christ...