Before photography was invented there was the camera obscura, useful for studying the sun, as an aid to artists, and for general entertainment. What is a camera obscura and how does it work ???
Lesson plan with word search activity which aims to teach children about the metamorphosis and development of an amphibian from tadpole to frog.
Oricalco - thermal shape memory fabric
The first orthogonal weaving example of Nitinol. The 'Thermal Shape Memory Alloy' is characterized by its extraordinary ability to recover any shape, pre-programmed, upon heating. Until today this light weight alloy with about 50% Titanium inside has been used in advanced sectors like space and recently in medical applications. Moreover this fabric is the first for which the shape memory alloy, named Nitinol, was weaved orthogonally that is to say that Oricalco is the first fabric with shape mem
Mitochondrial DNA Launois-Bensaude's Lipomatosis
Even though Brodie is said to have first described diffuse symmetrical lipomatosis with predilection for the neck already in the 1846 (Clinical Lectures on Surgery, Delivered at St. George's Hospital Philadelphia: Lea and Blanchard pub. Pp 201-201. Brodie, B.C.) the pathogenesis of Launois Bensaude' Lipomatosis is still unknown.
Obtaining SNPs from UCSC Table Browser
A quick tip of the week on how to obtain a list of SNPs and data for a gene of interest quickly from the UCSC Table Browser
Preservation of adaptive plasticity across scales of biological organization: from molecules to soci
This webcast outlines why and how adaptive plasticity is maintained at each and every scale of biological organization
Potatoes vs. Late Blight: Plants at War and Peace
Plant genome research is already revolutionizing the field of biology. Currently, scientists are unlocking the secrets of some of the most important plants in our lives, including corn, cotton and potatoes. Secrets of Plant Genomes: Revealed! takes viewers on a lively, upbeat journey that explores how these plants got to be the way they are and investigates how we can make better use of them in the future. Plant scientists are hard at work--in the lab, in the field and at the computer--to increa
Clifford the Big Red Dog stories - Crossword
Online crossword puzzle based on the Clifford stories.
"On the Night When the Levee Broke": William Cobb Remembers the 1927 Mississippi Flood
In spring 1927 it started raining in the Upper Midwest and, according to one observer, "it just never did stop." Torrential rains quickly filled the Mississippi's dozens of tributaries. On April 21, the supposedly impregnable levee system, maintained since 1879 by the Mississippi River Commission, sprang two leaks, or "crevasses" as they are known. Within days the Mississippi River levee system sustained forty more major crevasses in Arkansas, Mississippi, and Louisiana, unleashing a natural dis
Sam and Some Sticky Situations - Crossword
Online crossword puzzle based on the book in the Educational Company's Sunny Street series.
Natural Inquirer Journals: Wildland Fire
This edition of the Natural Inquirer is all about wildland fire. You will learn about the benefits of wildland fire, as well as some of its dangers. You will learn what fire scientists are learning about wildland fire. They are learning, for example, 1) that wildland fire should not be completely eliminated from natural environments, but it should be managed; 2) how to predict which weather conditions most favor a wildfire being started; 3) about the relationship between wildland fires and globa
Math Literature Connections: Two of Everything
Two of Everything by Lily Toy Hong recounts a Chinese folk tale. The farmer finds a magic pot which doubles everything that is put into it. This humorous story is a great introduction to function machines and input/output tables as teachers make the transition to the "doubling pot" and recording information in an input/output table.
Checking In: Eric Lippert - On Compiler Evolution, Designing C# and Blogging Happy Birthday, Channel 9!!!
We are 7 years old today! Hard to believe... What a great 7 years it has been. THANK YOU, NINERS! In celebration, we bring you the latest episode of Checking In with Erik Meijer. Our very special guest is Eric Lippert. To Erik, thank you for some many years of great content. From your lecture series on functional programming, Expert to Ex
Happy Birthday, Channel 9!!!
By tracing the movement of radiation released during an accident at the Chernobyl nuclear power plant, students see how air pollution, like particulate matter, can become a global issue.
Eichmann and his Bureaucrats: What Was Their Job and What Made Them Good At It?
Historian Dr. Yaacov Lozowick, former Director of the Yad Vashem Archives, discusses Eichmann and his Bureaucrats: What Was Their Job and What Made Them Good At It? The video is part of the series "Insights and Perspectives from Holocaust Researchers and Historians", Supported by the Claims Conference. For more lectures, click here: http://www1.yadvashem.org/yv/en/holocaust/insights/video/index.asp
The Influence of the Eichmann Trial on the Israeli Public's Attitude Towards Holocaust Survivors
Prof. Dalia Ofer, of the Institute of Contemporary Jewry at the Hebrew University discusses the ways in which the Eichmann trial influenced the Israeli public attitude towards Holocaust survivors. The video is part of the series "Insights and Perspectives from Holocaust Researchers and Historians", Supported by the Claims Conference. For more lectures, click here: http://www1.yadvashem.org/yv/en/holocaust/insights/video/index.asp
Vietnam: Journeys of Body, Mind, and Spirit
This Web site, created to complement the Vietnam: Journeys of Body, Mind, and Spirit exhibit, includes the following sections: Introduction is an overview of the incredible diversity of Vietnam's people and landscapes; Journeys Through Time and Space provides a look at Vietnam today and a time-line of this ancient country's history; Journeys of Gods, Families and Ancestors considers the importance of lunar New Year and the ancestral altar; Journeys of People and Goods examines how international
A collection of postboxes in postcode IP19