Recently added articles from The Science Teacher:
Central limit theorem.(The Prepared Practitioner: Bridging Educational Theory and Practice)
Dec 01, 2009; ... Statistics have been an important part of science since Gregor Mendel used pea plants to study heredity in the 19th century, if not before. Everyday life is filled with statistics--about sports, the stock market, weather, and so on. Understanding rudimentary statistics is an important ...
Taking responsibility for safety.(Safer Science: Best Practices for Safety Issues in the Science Classroom and Laboratory)
Dec 01, 2009; ... When studying cell biology, students may do a series of experiments on pH, acids, bases, and buffers from a laboratory manual. One of these labs might deal with the titration of acetic acid and sodium chloride, and have students gently swirl the solution in a beaker throughout the ...
Sensory cell phones.(Headline Science: The Latest News in Science Research)(SurroundSense)
Dec 01, 2009 ... Your smart phone may soon be able to know not only that you are at the mall, but whether you are in the jewelry store or the shoe store. Duke University computer engineers have made use of standard cell phone features--accelerometers, cameras, and microphones--to turn the unique properties ...
Designer glowing molecule.(Headline Science: The Latest News in Science Research)
Dec 01, 2009 ... A small molecule designed to detect cyanide in water samples works quickly, is easy to use, and glows under ultraviolet or "black" light. Although the fluorescent molecule is not yet ready for market, its Indiana University Bloomington (IU Bloomington) creators report that the tool is ...
Fossil animals.(Headline Science: The Latest News in Science Research)
Dec 01, 2009 ... The fossil remains of some of the first animals with shells--ocean-dwelling creatures that measure a few centimeters in length and date to about 520 million years ago--provide a window on evolution at this time, according to scientists. Their research indicates that these animals were ...