Ecological Pyramids
An ecological pyramid (or trophic pyramid) is a graphical representation designed to show the biomass or productivity at each trophic level in a given ecosystem. Biomass pyramids show the abundance or biomass of organisms at each trophic level, while productivity pyramids show the production or turnover in biomass. Ecological pyramids begin with producers on the bottom (such as plants) and proceed through the various trophic levels (such as herbivores that eat plants, then carnivores that eat he
The Nitrogen Cycle
This is a brief, one-minute video about the Nitrogen cycle. There is no animation; there are just explanatory phrases on the screen. A teacher will have to supplement this video with discussion/information.
Carbon Cycle Cartoon
This animation explains the carbon cycle and humans' conbritution to it. by Sofia (Climate Champion, 2006). (04:36)
The KPFA Sunday Evening News
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Postural and Kinetic Tremor - Motor Exam - General Observations Sub-exam - Patient 8
This 37-year-old left-handed white male has had tremors beginning in childhood, before he started school. Over the years, the tremors have slowly progressed in both upper extremities. Tremors have spread to affect the right leg. They are more pronounced in the left. Most of the time tremors are increased with anxiety and activity, but are also present at rest. There are no tremors in his feet. Because of the tremors, the patient cannot write, feed himself, use utensils, or even hold a cup. He c
Bibliothèque des Sciences agronomiques - Litterature scientifique et méthodologie documentaire
Ces pages reprennent tous les supports en ligne utilisés pour les cours de Littérature scientifique et méthodologie documentaire (Bac 3 Bio-ing. et écoles doctorales) et de Méthodologie de l'information et de la recherche (Master complémentaire RAVT). Ces supports sont aussi utilisés pour les "Ateliers d'écriture scientifique" organisés en Belgique et chez plusieurs partenaires à l'extérieur de la Belgique. Les transparents sont classés en deux catégories (Recherche et méthodologie
"Practical Programming in C, January IAP 2010"
"This course provides a thorough introduction to the C programming language, the workhorse of the UNIX operating system and lingua franca of embedded processors and micro-controllers. The first two weeks will cover basic syntax and grammar, and expose students to practical programming techniques. The remaining lectures will focus on more advanced concepts, such as dynamic memory allocation, concurrency and synchronization, UNIX signals and process control, library development and usage. Daily pr
MOLA-based Flyover of Korolev Crater
MOLA-based animations showing Martian topography as both color and elevation. The exaggeration is 3x. This was created for a talk James Garvin will give on The Hill in late April 2002.
The Shenzhen Special Economic Zone
Landsat Thematic Mapper views Shenzhen, China, located on the Pearl River, in 1988, 1992, and 1995. The band combination used in these images is 432. To view related animations, please see animations 942, 1396, 1397, and 1398.
How to Make Rainbow Cupcakes
This ten minute video is about how to make these cupcakes that are rainbow colored on the INSIDE. The ingredients are listed and the video moves slow enough to follow easilly, but the graphics are sometimes difficult to read. Stopping the video after each segment is encouraged.
Researchers are developing fiber optics for prosthetic limbs
Professors Marc Christensen and Volkan Otugen of SMU and Professor Gunter Gross of UNT are working to create a system of fiber-optic wires and sensors that can replace the vast network of nerves inside a human limb. This story about their work is courtesy of CBS 11 News of Dallas.
Choices in the classroom
Gibbs Phenomena
Ricardo Radaelli-Sanchez,
Richard Baraniuk
The Fourier Series is the representation of continuous-time, periodic signals in terms of complex exponentials. The Dirichlet conditions suggest that discontinuous signals may have a Fourier […]
Lesson 309 – Fatos e curiosidades da copa.
Na lição de hoje disponibilizarei alguns fatos e curiosidades da copa do mundo de futebol.
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Author(s):
Goals as being a reader
Meditation in Primary
Lesson 310 — Brazil and its geography Patricia Hewitt talks on Innovation at GLS2011
In this lesson you will learn about Brazil and its geography and will practice sentence building. This is a continuation and an English version of lesson 269
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Patricia Hewitt, Senior Independent Director, BT and Former UK Minister for Business, discusses her thoughts on Innovation at the Global Leadership Summit 2011
