U.S.-Vietnam begin Agent Orange clean-up
June 17 - A joint project between Vietnam and the United States to clean up defoliant Agent Orange contamination from the Vietnam War has begun, and should help further improve relations between the two countries. Nick Rowlands reports.
Duel protests in Yemen
June 17 - Duel rallies took place in Sanaa Friday as wounded Yemeni President Ali Abdullah Saleh plots his return to the country. Jon Decker reports.
Positive and negative predictive value of diagnostic tests
This RLO explains how diagnostic test results are a combination of true and false positive, or true and false negative.
1.7 Establishing boundaries
In this unit, we are going to look at a number of situations which put a strain on the idea that caring is just 'being ordinary', including times when people are giving intimate care. In these special circumstances, since the normal rules do not apply, we have to develop a set of special rules to guide practice.
International Environment(O) - Quiz
Questions on terms and definitions relating to the European Union and International Trade.
UCSD Organic Lab: Distillation
Training video for an organic lab distillation technique.
Two-photon excitation microscopy
Two-photon excitation microscopy as a tool for studying biological systems.
Soil Investigations
Students learn the basics about soil, including its formation, characteristics and importance. They are also introduced to soil profiles and how engineers conduct site investigations to learn about soil quality for development, contamination transport, and assessing the general environmental health of an area.
What Happens When an Oil Spill Occurs?
This interactive activity from McDougal Littell/TERC visualizes the effects of the Exxon Valdez oil spill, factors that influence oil spill behavior and impact, and techniques used to contain and clean up oil spills at sea.
Next steps After completing this unit you may wish to study another OpenLearn Study Unit or find out more about this topic. Here are some suggestions:
Pill bug curled up on back
Many pill bugs curl up in a ball to protect themselves. Pill bugs use their antennae to feel around their environment. They use their eyes to see where they are going. They use their legs to walk or crawl around.
Protests amid peace talks in Syria
June 20 - Protests gather pace across Syria as demonstrators reject reform plans by President Bashar al-Assad. Deborah Lutterbeck reports.
Coping with the ashes in Argentina
June 20 - Residents of ash covered towns in Argentina, learn to cope with volcanic debris as they begin the clean up. Deborah Lutterbeck reports.
"Principles of Computer System Design: An Introduction, Spring 2009"
" Principles of Computer System Design: An Introduction is published in two parts. Part I, containing chapters 1-6, is a traditional printed textbook published by Morgan Kaufman, an imprint of Elsevier. Part II, containing chapters 7-11, is available here as an open educational resource. This textbook, an introduction to the principles and abstractions used in the design of computer systems, is an outgrowth of notes written for 6.033 Computer System Engineering over a period of 40-plus years. In
Historia de la Arquitectura I
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Learn about the Russian Empire
Brief History Of Russian Empire - Learn with this short video about the Russian Empire, and its history, including its geographic extent and rulers Peter the Great, and Catherine the Great. This video is coutesy of the History Channel. (01:21)
Prayers for protesters in Yemen
Aug. 12 - Anti-government protests contine in Yemen as soldiers who have defected from the government side guard the demonstrators. Deborah Lutterbeck reports.
Between The Lions: Library A-Z
Song using the alphabet














