"We Are Literally Slaves": An Early Twentieth-Century Black Nanny Sets the Record Straight
In folklore the black nursemaid was seen as a dutiful, self-sacrificing black woman who loved her white family and its children every bit as much as her own. Yet the popular images of the loyal, contented black nursemaid, or "mammy," were unfortunately far from the reality for the African-American women who worked in these homes. In 1912 the Independent printed this quasi-autobiographical account of servant life, as related by an African-American domestic worker, which dispelled the comforting "
Dissatisfied With the Lives They Live: Farm Women Describe Their Work in a 1913 U.S. Department of A
Statistics on women's work in the early 20th century were invariably misleading: most women worked but only a minority were formally in the wage labor force. Nowhere was the discrepancy between the domestic ideal and the reality of women's work lives wider than in rural America. In 1913 the U. S. Department of Agriculture decided to investigate and document the lives of farm woman they discovered a vast reservoir of discontent. The report, reproduced here, was culled from letters responding to a
The Living Edens: Virtual Yellowstone Tour
This Starting Point page describes a virtual tour of Yellowstone National Park in Wyoming featured on the Public Broadcasting Service (PBS) website. In this tour, students act as park rangers to research geological features of Yellowstone, locate these features on maps, and describe and define associated geologic terms. The features discussed include geysers, hot springs, canyons, waterfalls and mudpots. On this page, users can find learning goals, teaching notes and tips, teaching materials, as
Atmosphere Applet: This program lets you study how the properties of the atmosphere change with altitude. You can study the atmosphere of either the Earth or Mars. The equations used in this program are taken from the ICAO standard day model for the Earth and from some curve fits of the Martian atmosphere gathered by the Global Surveyor spacecraft. Using the airplane graphic you can select an altitude, or you can type an altitude into the input box. The program instantly outputs a selected pro
Molecular Structure and Dynamics by NMR Spectroscopy
This site provides PowerPoint slides for a series of lectures for a graduate-level course in NMR spectroscopy. While the casual student may find it hard to follow everything on the slides without an accompanying lecture, the Power Point files should be very useful for advanced students or educators putting together similar courses. Mathematica documents that allow one to perform matrix algebra and Fourier transforms are also provided.
Annotated solutions to LSAT sections from 10 More Actual, Official LSAT Prep Tests. Covers analytical reasoning (logic games) sections and reading comprehension sections.
Slowing the Flow
In this hands-on OLogy activity, kids learn how the mammalian diving reflex works to help both land and sea mammals survive in cold water. The activity begins with a kid-friendly look at the way all mammals' bodies respond similarly when exposed to cold water. The illustrated, step-by-step directions show kids how to test the effect cold water has on their circulation by measuring their pulse before and after they plunge their faces into icy water. It includes a fast fact about how the mammalian
Thinking in Three Dimensions
This OLogy activity uses the traditional Japanese art of paper-folding to help kids understand dimensions. The activity begins with a brief introduction to both dimensions and origami. The kids are then given instructions, included as printable PDFs, for morphing 2D paper into 3D models (a simple box and a water bomb).The activity ends with an illustrated look at dimensions, from the zero dimensions of a point to the fourth dimension of time.
How fast do materials weather?
In the activities described on this website, instructors giving a lecture on weathering ask students to calculate weathering rates from tombstone weathering data from urban and rural settings. The Starting Point site includes downloadable teaching materials, information on learning goals and context for the exercise, and links to useful resources and references.
Inside the Salt II Delegation
Edward L. Rowny was the Joint Chiefs of Staff representative to the Strategic Arms Limitation Talks (SALT) from 1972 to 1979. From 1981 to 1984, during U.S. president Ronald Reagan's administration, he was chief negotiator for the Strategic Arms Reduction Talks (START). In this video segment, Rowny explores Soviet and American negotiating tactics and proposals. He also shares his frustration with U.S. concessions, process, and misconceptions of Soviet thinking, all of which ultimately led to his
Mars Exploration and Geology Animations
This collection includes QuickTime, MPEG-1, and GIF animations and interactive images of Martian exploration and geology. These visualizations illustrate Mars' surface geology and historical and current water presence and display information from the Spirit, Opportunity, Pathfinder, and Sojourner rovers and landers. Many of the visualizations have long download times, but are well worth your patience. These resources are suitable for use in lectures, labs, or other teaching activities.
This site features Flash and QuickTime animations related to groundwater. They contrast the permeability of gravel, sand, silt, and clay, as well as the speed of groundwater movement in rivers, lakes, and aquifers. They also outline the hydrologic cycle, discussing infiltration, percolation, and the water table, exhibit groundwater overdraft and the resulting formation of a cone of depression, and show how groundwater entering fractured bedrock can become superheated and pushed to the surface, e
George Copeland inspecting barbecue at a boys and girls club camp in Autauga County, Alabama
Caption: "George Copeland inspecting barbecue at Boys and Girls Club Camp. Autauga Co.." August 6, 1925.,JPEG from black-and-white photograph
Peace Is Hard Work
In this lesson, students will create their own lists of what they consider to be the characteristics of a successful peacemaker. They will then research two peacemakers - Jody Williams and Desmond Tutu - and consider how each laureate might take action to end a specific conflict that is happening at the present time.
Modeling Your Water Balance
The purpose of this resource is to model a soil's water storage over a year. Students will model the changes in soil water storage over a year.
Conversations with Berkeley Faculty: Nancy Scheper-Hughes (12/14/99)
Conversations with History Presents Faculty Research at the University of California, Berkeley A Conversation with Nancy Scheper-Hughes Professor of Anthropology "Studying the Human Condition: Habits of an Anthropologist" This interview took place on December 14, 1999. Complete transcript is available. Nancy Scheper-Hughes is a Professor of Anthropology at the University of California at Berkeley, where she also directs the Doctoral Program in Critical Studies of Medicine, Science, and the Bo
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Tardigrades: Bears of the Moss
This online PowerPoint presentation is dedicated to the phylum Tardigrada. It discusses distinguishing characteristics of Tardigrades (also known as water bears), their relationship to arthropods and nematodes, internal structures, life stages, cryptobiosis, research opportunities, classification, identification, habitat, distribution, ease of study in the lab, and more. Each slide contains illustrations and descriptions of the microscopic animal.
Tardigrada (Water Bears)
This reference page offers a brief description of Tardigrades, also known as water bears. It includes information about their physical appearance, an explanation of their name, likely habitats, internal organs and other distinguishing features, and a few images. A diagram of a common tardigrade, Macrobiotus macronyx, is also provided via an internal link.
Water Quality For Freshwater Organisms
This website features a field activity that demonstrates the effect of water temperature on the solubility of dissolved oxygen and how it relates to the gill beat rate of fish. The activity uses the Winkler method to measure dissolved oxygen.