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"n brief, because there are a lot of tricky steps to get oil from inside the Earth to inside, say, your gas tank. Oil spills can be caused by the accidental or intentional release of any form of petroleum during any point in the oil production process, from drilling, refining, or storing to transporting. Oil can be spilled when a pipeline breaks, ships collide or are grounded (as happened earlier this month along the Great Barrier Reef), underground storage tanks leak, or in the current case, when an oil rig explodes or is damaged. IN PICTURES: Big Environmental Disasters Some oil was spilled when the Deepwater Horizon rig first burst into flames on April 20 in the Gulf, injuring crew members and sending a billowing plume of black smoke into the sky that could be seen by satellite. The oil rig, located about 51 miles (82 kilometers) southeast of Venice, La., then sank into the Gulf waters Thursday morning, creating concern that more oil could spill. Oil spills can also happen naturally: Oil is released into the ocean from natural oil seeps on the seafloor. The best known such seep is Coal Oil Point along the California coast where an estimated 2,000 to 3,000 gallons (7,570 to 11,400 liters) of crude oil is released each day."

"A press release is a written statement to the media. It can announce a range of news items, including scheduled events, personnel promotions, awards, new products and services, sales accomplishments, etc. It can also be used to generate a feature story. Reporters are more likely to consider a story idea if they first receive a press release. It is a fundamental tool of PR work, one that anyone who's willing to use the proper format can use. We'll show you how."

Mobile digital devices rocketed to popularity around 10 years ago with the release of the iPod. Mobile computing went mainstream with the release of the iPhone in 2007. With the release of the iPad just one year ago, we are now seeing a significant shift in the dynamics of computer purchase and practice - moving away from desktops and laptops to iPads and other mobile devices. Their cost relative to laptops along with the promise of mobile computing has raised tremendous interest in iPad use in education.

We all remember science lessons from our school days. Whether the lessons were with the more 'characteristic' teachers in the school, or whether you all released the gas taps when the teacher foolishly left the room, we all seemed to miss the link that science is life! And what an opportunity science teachers have in releasing the magic of life to their pupils, answering BIG questions like "Why am I like my parents?", or "What will my life be like in 2050?", or "Why is Pripyat a deserted town?"

After a long legal battle and amid much anguish by teachers and other educators, the New York City Education Department released individual performance rankings of 18,000 public school teachers on Friday, while admonishing the news media not to use the scores to label or pillory teachers.

2010 is already proving to be the year of big changes on the legal research front. The first significant development of 2010 is the ABA's new search engine for law reviews and journals. The second is Thomson Reuters Westlaw's anticipated release of an entirely new research platform dubbed "Cobalt."

National Center for Education Statistics (NCES) in U.S. DoE report on 2010-11 school year - estimated increase to 82% of all high schools offering college credit opportunities - most of which (77%) are offered on their high school campus in a "career center." A companion report on postsecondary providers of dual enrollment courses will be released in March. Full report available at http://nces.ed.gov/pubs2013/2013001.pdf

Here are some video clips and a blogpost by someone familiar with the new Diigo 4.0 release. BTW, the videos are in YouTube so as usual blocked.

"Guest edited by Dr Yishay Mor, Senior Lecturer at the Open University's Institute of Educational Technology (UK), and Tapio Koskinen, Director of the eLearning Papers Editorial Board, MOOCs and Beyond seeks to both generate debate and present a variety of perspectives about this new popular learning model."

"(Reuters) - Effective teachers can be identified by observing them at work, measuring their students' progress on standardized tests - and asking those students directly what goes on in the classroom, according to a comprehensive study released Tuesday."

Congratulations to all those receiving a USDLA 2013 award for their work in distance learning.

"What's a flipped classroom - and why now? Share your thoughts in the comments below and subscribe to our monthly newsletter to find out when we release our next infographic."

Parents who excel at maths produce children who excel at maths. This is according to a recently released University of Pittsburgh study, which shows a distinct transfer of math skills from parent to child. The study specifically explored intergenerational transmission-the concept of parental influence on an offspring's behaviour or psychology-in mathematic capabilities.

Following on from the result of the #UKEdChat poll on Twitter, the chat this week focuses on: Modern and Effective Homework Strategies. The questions to be asked are below, which will then be released for discussion during the session. What are the greatest issues for teachers in setting homework? How do you communicate to parents your expectations of pupils completing homework? Does you school have a homework policy? How often is it updated? Homework and technology - How can we ensure all pupils have access to resources? Research about homework - John Hattie argues that homework in primary has zero effect (Radio 4 link). Do you agree / disagree? What is the most effective (and positive) homework strategy that you have experienced?

A few months ago I went on a Mental Health First Aid in schools course. We learnt about the stress bucket. So it goes like this. Basically we all have a stress bucket. If it gets too full as the stresses of life flow in to it, it will over fill and over flow and we will begin to feel overwhelmed. Coping strategies are like a tap on the bucket and should be used to allow some of the stress to be released and will prevent us from becoming overwhelmed. If our stress bucket gets too full we can suffer from mental ill health. Some life events such as bereavement, illness etc. can cause our buckets to overflow quite quickly but sometimes small life stressors can build and accumulate also causing our buckets to fill...