Unsolved History- Military: Battle of the Alamo
In the year 1836 the Alamo was the scene for one of the most spectacular marches in military history.This 3:42 long video explains the march of the Mexican soldiers that was unheard of at that time.
The battle lasted five hours and the Mexicans. Six weeks later the Mexicans were defeated. The video explains two sides of the battle of the Alamo. This is a good video to show students as it explains what this battle means to Mexicans.
The Alamo (2:37)
The cause and effect of the battle at the Alamo. The video also explains why the event has become an icon of history and why, in losing the battle, the Americans gained a cause and later victory. Not much detail.
3D Street Art With Julian Beever
Julian Beever painting 3-dimensional pictures on sidewalks and streets is the subject of this 3:17 minute video. This could be used by art teachers to show how perspective is done or just as motivation. A real eye-catcher, but the music may be distracting.
The Mexican American War
Conflict between U.S and Mexico started when Mexico insisted that its northern border lay along Nueces River, while U.S.claimed that it was farther south along Rio Grande. President Polk sent Zachary Taylor to the troubled area, but the two sides clashed and U.S. soldiers were killed, leading to Congress' declaration of war. The Mexican War gave U.S. more land, but led to more conflicts between free/slave states. This four minute video explains this and is accompanied by text to make it easier t
A global view of mobile trends
The custom research firm TNS is launching its Mobile Life 2011 study which shows the mobile web is becoming an increasingly important factor in the way people use their devices.
Das Search a new capability for DAS servers
Talk by Gustavo Salazar at the DAS workshop 2011 on DAS search urls and an implementation in the MyDAS Java based DAS server.
Contemporary Perspectives in Distal Radius Fracture Fixation
Wrist fractures, those injuries involving the distal radius, the distal ulna, and the joints about these bones, are some of the most commonly sustained fractures in any age group. With such a large number of injuries encountered, the effort to return patients to their normal activities has driven remarkable changes in treatment methods. UW physicians Matt Lyons, Jeffrey Friedrich, Douglas Hanel, and Jerry Huang discuss the history of wrist fractures and how the recently updated AAOS guidelines a
The Whyfiles Spring Break Edition: Bad News on Skin Cancer
You are unlikely to meet anyone these days who has never heard that UV radiation from the sun can cause skin cancer, but scientific inquiry into this unfortunate fact is far from over. This Whyfiles feature offers an in-depth explanation of the sun-skin cancer connection, beginning with a highly readable, explanatory introduction to UV radiation, forms of skin cancer, and the ozone layer. This background information sets the groundwork for the next section, an intriguing look at epidemiological
Teach-nology.com is "intended to bring educators into the world of teaching with technology...by providing links to valuable and useful information relative to current and best practices in the field of education." Visitors will find the links categorized by subject, including archeology, astronomy, chemistry, earth science, lesson plans, physics, sites to use with students, and several others. Each of these subjects then include several subcategories, listed along with brief descriptions of wha
Stem Cell Task Force
This Web site from the National Institutes of Health (NIH) provides an overview of the activities of an NIH task force established to move the stem cell research agenda forward. The section titled Scientific Research may be of particular interest to researchers in this area. It provides links to the Web sites of stem cell-related research at a number of NIH institutes, as well as an extensive information index, a FAQs page about stem cell research, information on funding opportunities, and much
Drilling for oil in the Arctic National Wildlife Refuge (ANWR) in Alaska has been a topic of debate for many years. Although initial exploratory drilling has not yet been authorized by the government, this site presents some technologies that could eventually be used to find and extract oil without damaging the land. Nine articles describe different drilling methods, spill prevention tactics, exploration techniques, and more. One topic is 3D reflective seismic technology, which is used to help a
Science North: Learn and Play
Science North Museum is self-described as creating high quality science education and entertainment experiences for its visitors. The Learn and Play portion of the accompanying Web site contains a Cool Science link with a wide variety of activities including an interactive stargazer and solar system, science quizzes, a reflex tester, a geology exploration activity, and more. Other links on the Learn and Play page include descriptions and movies, additional recommended science links, and Web cams
Plants in Motion
Roger P. Hangarter of Indiana University's Department of Biology has created this wonderful collection of time-lapse photography that allows us "to see the movements of plants and clearly demonstrates that plants are living and capable of some extraordinary things. " The videos available show a broad range of plant growth phenomena, including germination, circadian responses, phototropism, and much more. The movies are fun to watch in and of themselves, but don't miss out on the informative desc
Come Grow With Us
This is an online collaborative project from the Lakeland Central School District that allows students to observe the process of a seed becoming a plant, collect data, and communicate results with other participating classrooms. Teachers can register their students to participate in the activity this fall, or simply use the lesson plans independently. The site is well organized, provides information in a simple format, and outlines the educational standards addressed by the project.
CSU Engine Web Pages
This resource on internal combustion engines comes from a mechanical engineering professor at Colorado State University. It is essentially an online textbook with three main chapters, which cover the topics of thermodynamics, heat transfer, and fluid mechanics involved in engine operation. Users should have an understanding of basic engine components, and a background in calculus would be helpful. Some of the material is fairly conceptual, while other parts involve analytical derivations. Many s
World AIDS Day 2004
From the Joint United Nations Programme on HIV/AIDS, this website provides information and images related to Worlds AIDS Day 2004. Notably, the site contains a downloadable version of the _AIDS Epidemic Update 2004_, which "provides the most recent estimates of the epidemic's scope and human toll, explores new trends in the epidemic's evolution, and features a special section on women and AIDS." In addition, site visitors can download a set of eleven epidemiological PowerPoint slides based on th
Since its inception over a half century ago, the Soil Association has "been working to raise awareness about the positive health and environmental benefits of organic food and farming and supporting farmers in producing natural food consumers can trust." Originally formed by a coalition of inspired scientists, nutritionists, and farmers, the Soil Association is now the leading organic farming and food certification and campaigning organization in the United Kingdom. Although primarily geared tow
The Messier Catalog
The Students for the Exploration and Development of Space of the University of Arizona maintains The Messier Catalog Web site. Named after the French astronomer who first discovered the objects, the catalog describes and features what are considered to be some of the most beautiful nebulae, star clusters, and galaxies in the sky. Visitors can read about Messier and about each individual object in the actual catalog, which includes a picture, its distance, brightness, the history of its discovery
Dialogue for Kids Wild About Bears Sleepy Bear Lesson Plan
Each winter, bears hunker down, slow their metabolisms, and pretty much wait out the winter in the safety of some sort of den. This lesson plan, from Idaho Public Television, is a fun way to illustrate to children (probably elementary grades primarily) the process of hibernation. At this site, educators are given the complete lesson plan instructions as well as several links to all sorts of great resources, including links to information on: Bear Diet, Home Range, Reproduction, Bear Research, Pe
An educational lesson plan entitled Water is offered by the Seaworld teacher resources Web site. Objectives of the unit include having students identify the three phases of water, discuss the hydrologic cycle, describe the structure of the water molecule and the properties of water, explain ocean currents, and more. The well designed lesson allows students to study various topics by reading provided text and completing the activities described such as measuring salt content in water and estimati