Today in History
This sit efeatures a different person or event in history each day. Past features include Frederick Douglass, Woodrow Wilson, George Washington, Abraham Lincoln, Benjamin Banneker, Rosa Parks, Samuel Slater, Louisa May Alcott, Radio City Arts Hall, the Wright brothers' first flight, the Bill of Rights, the Gadsden Purchase, the Federal Reserve System, the Wounded Knee massacre, Pearl Harbor, the first controlled nuclear fission chain reaction, and more.
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Women of Protest: Photographs from the Records of the National Woman's Party
This site presents 448 photos documenting the National Woman's Party's push for ratification of the 19th Amendment and passage of the Equal Rights Amendment. Taken from 1875-1922, these photos include portraits of leaders and tactics used by the organization -- picketing, pageants, parades, demonstrations, and hunger strikes.
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Tinker, Tailor, Farmer, Sailor
This is a lesson in which students use primary sources to determine why Europeans settlers were drawn to particular regions of America. Among the geographic conditions they consider: access to water, arable land, natural resources, and the growing season. The lesson focuses on New England, the South, and Middle Atlantic colonies.
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Newspaper Pictorials: World War I Rotogravures
This site presents images published from 1914-19 by two New York newspapers. The images, produced by a new rotogravure printing process, show events of the war alongside news and advertisements of the day. Essays discuss the origin of the war, costs of the war, President Wilson's 14 points, the armistice, military technology, the sinking of the Lusitania, pictures as propaganda, and the rotogravure process. A World War I timeline is included.
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Around the World in 1896
This is a lesson in which students take a trip around the world in 1896 using an online collection of 900 images. The collection includes photos of railroads, elephants, camels, horses, sleds and sleighs, sedan chairs, rickshaws, and other types of transportation, as well as city views, street and harbor scenes, landscapes, and people in North Africa, Asia, Australia, and Oceania.
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Oral history and student learning
Oral history enriches historical knowledge; enhances research, writing, thinking, and interpersonal skills; gives students a connection to the community; and helps all students feel included.
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The 2004 presidential election in historical context
Historian William E. Leuchtenburg talks about past presidential elections and how the 2004 election fits or defies precedents.
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Arctic Ozone from February 1, 2003 through March 30, 2003
This visualization shows the northern hemisphere ozone hole from February 1, 2003 through March 30, 2003.
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1992 Daily Ozone from Nimbus-7
In this animation of total ozone, the luminance values of the colors bounding areas of missing data are used in interpolating over these regions. The missing data are mapped to the grayscale portion of the color map.
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Arctic Ozone Hole from Earth Probe TOMS: February 1, 1997 through May 31, 1997
Ozone measurements from Earth Probe TOMS for February 1, 1997 through May 31, 1997 showing the formation of an Arctic ozone hole
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Arctic Ozone from TOMS: September 1, 1999 through November 30, 1999
Total ozone over the arctic for September 1, 1999 through November 30, 1999, as measured by Earth Probe TOMS
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Phones power Samsung to record profits
Jan. 06 - Samsung Electronics forecasts a 73 percent jump in operating profit for the Oct to Dec period, after record-smashing sales of smartphones. Arnold Gay reports.
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In Conversation Larry Kramer and Jonathan Katz
In commemoration of World AIDS Day, the Brooklyn Museum presented a conversation with Larry Kramer, author of Broadway hit The Normal Heart, and Jonathan Katz, co-curator of HIDE/SEEK: Difference and Desire in American Portraiture. Kramer and Katz discussed the play, a response to the AIDS epidemic of the 1980s, and how the issues that faced the gay community then continue to be relevant today. This event took place at the Brooklyn Museum Thursday, December 1, 2011. Thursdays @ 7 is a series of
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Eminence Organics Stonecrop Ingredients and Products
By: shawnanel20 The Organic skincare and beauty ingredient stonecrop, Explained by Eminence owner and founder Boldijarre Koronczay, interviewed by Alana. http://www.skincarebyalana.com/eminence-organics/
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Subtracting Decimals
In this video, a teacher demonstrates how to subtract 8.6-5.43 on a white board.  The problem is first shown horizontally, and the teacher rewrites it vertically.  This is beneficial in showing students how to line up the decimals and to add zero after six in the first number.  ( :36)
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Basics of the Coordinate Plane
This selection provides an introduction to the basics of the coordinate plane.  An interactive board is used to show the x and y axis, quadrants, and an ordered pair.  A tip is also provided to help students learn the number of each quadrant.  ( 1:46)
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National Geographic Live! - Exploring the Edge of Existence
Nobel Laureate John Mather and Nat Geo Explorer-in-Residence Robert Ballard discuss how technology expands the limits of the known universe. (27:50)
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The Obama Healthcare IT Plan -- An Insider’s View
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Copyright 2008-2012, by the Contributing Authors

Cross Product Area - Problem 3 of 3
This video is a continuation and presents another example that demonstrates how to use the cross product to find the area of a triangle.  (3:16)
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Sustainable Development
Sustainable development is the usage of natural resources for human needs in a way that preserves the environment that produces those resources so they can be used in the future. Scientists argue that sustainable development has many benefits and that it maintains biodiversity, ensures future resources for economic stability, encourages greater efficiency and often reduces the impact of natural disasters. (03:28)
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