National Institutes of Health
Genes and Disease: Marfan Syndrome
Site specifies genetic cause of Marfan Syndrome as well as gene locus. Also includes disease characteristics and information regarding treatment of cardiovascular symptoms.
Wolfram Research
Wolfram Math World: Conchoid of Nicomedes
This site gives an approximate date at which the cochoid was studied by Nicomedes, explains what the locus of points are which make up this curve, and give cartesian and polar coordinates for such a curve, as well as a formula for the...
Texas Instruments
Texas Instruments: Math a Review 1
This StudyCards stack enables students to review concepts in algebra, arithmetic, and geometry, in preparation for the Math A Exam held in New York. They solve problems involving scientific notation, factoring, linear equations, rate of...
Other
Sierra College: Conics
Provides the locus of points, dominant axis and equation, discriminant, center, vertex, focus, directrix, and asymptotes for the parabola, the ellipse, and the hyperbola.
Wolfram Research
Wolfram Math World: The Ellipse
This site explain ellipse how they are formed with the foci, and gives a nice moving demonstration of drawing an ellipse. Read further down the page to equations of ellipses in different systems, including polar. The last half of the...
Other
Joan Aiken: Wolves and Alternate Worlds
This is short biography & an excerpt of an interview with children's author Joan Aiken. She speaks about her influences, ideas, and future writings.
Mangahigh
Mangahigh: Shape: Construct Triangles
Test your knowledge of using a protractor to construct triangles.
Mangahigh
Mangahigh: Shape: Construct Bisectors and Other Lines
Test your knowledge of construting bisectors on lines.
Math Open Reference
Math Open Reference: Points and Lines
A complete reference guide to points, lines, and planes. It provides definitions and interactive activities that enhance further explanation.
Cuemath
Cuemath: Perpendicular Bisectors
Provides a definition and examples of perpendicular bisectors.
Math Open Reference
Math Open Reference: Equidistant Points
Learn about equidistant points with this handy reference guide. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Curated OER
Locus Magazine: Interview With Tamora Pierce
Author Pierce shares inspiration for the characters she creates and her devotion to her teen audience.
Rice University
Rice University: Eusocial Insects
This site, which is provided for by the Rice University, gives a description of the social aspects of the wasp colonies - division of labour.
Math Open Reference
Math Open Reference: Parabola
Learn about the three ways to define a parabola: Focus and Directrix, The Graph of a Function, and As a Conic Section. Examples are provided.
Curated OER
Math World: Hyperbola
This site contains a vast amount of information relating to the hyperbola, including the definition of a hyperbola, equations in various systems, including polar, and many important characteristics of hyperbolas. Site also provides many...
Other
Mappa Mundi: Prince Henry the Navigator
This article is a biography of Prince Henry and details the value of his work and insights.
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