Poison dart frog
Some animals use bright coloration or patterns to warn other organisms that they are poisonous or harmful. This helps the frog escape attack from predators.
Cholla cactus from the Sonora desert
Cacti have few leaves and waxy skin to reduce water loss, shallow root systems, and the ability to store water. The cholla cactus has thousands of spines for shade and to keep predators from eating it.
Multiple Sclerosis - Cranial Nerves Exam - Oculomotor, Trochlear, Abducens (CN III, IV, VI) Sub-exam
Shelly is a 38-year-old African American female who initially presented with transverse myelitis 2 years ago. A lumbar puncture revealed multiple oligoclonal bands in the cerebral spinal fluid. MRI has demonstrated numerous plaques in the bilateral cerebral white matter. She eventually went on to recover from her initial attack but since her second attack has continued to progressively worsen. Her gait and other motor functioning have deteriorated and she is now wheelchair bound.
Cold Gas Dynamic Spray (CGDS): formation of Ti-Al intermetallics CORE-Materials posted a photo: Cold gas dynamic spray, CGDS (or kinetic spray) is a rapidly developing c
CORE-Materials posted a photo:
Cold gas dynamic spray, CGDS (or kinetic spray) is a rapidly developing c
Moby, Legacy Apps and the Semantic Web
Presentation given at the Web Services Biohackathon '08 in Tokyo, Japan 2008-02-11. It describes tools for using and providing interoperable bioinformatics Web services. This presentation followed another one outlining the (Bio)Moby protocol and its usage, see www.biomoby.org for more information. Presenter: Paul Gordon. [Note: poor video quality lasts only for the first 30 seconds]
Milkweed bugs after molting
These milkweed bugs have molted their outer coverings so they can grow into adults. Milkweed bugs look lighter in color after they have molted.
In this interactive activity adapted from Wake Forest University, observe how rotational force, or torque, is related to the distance between the pivot and the point of the applied force.
Climatic Areas Crossword
Printable crossword requiring students to fill in keywords associated with various climatic areas around the world. Answers are included.
Movements and Shifts in Supply Curves
A consideration of the factors affecting the movements and shifts in supply curves and how the interaction of demand and supply curves affect market forces.
Fear of Crime
The purpose of this module is to introduce students in an online Criminology course to the idea of data analysis using an online analysis program and the General Social Survey. Prior to this module, students will have read several documents describing the scientific method including terminology such as statistical significance, independent and dependent variables, and operationalization. Once students have read this document, they then complete a guided online analysis and turn in their answers
Who Are the Poor?
In this assignment, we will perform a simple analysis of poor households in the United States, considering whether certain kinds of households are more likely to be poor and what sorts of households make up the largest proportion of the poor. Students will be looking at three characteristics that may be associated with poverty: race, age, and family type.
Hurricane Keith from TRMM: October 2, 2000 (3 Surfaces)
Hurricane Keith with three rain level isosurfaces (yellow=0.5 inches-hour, green=1.0 inches-hour and 2.0 inches-hour)
Learn Hindi Daily Show (price; ने; past tense transitive; mystery word; The Clever Bird)
Mystery Word From The Last Episode In our last episode, we challenged you to understand a mystery word. This is to give you practice listening for a word, and looking...
What is Gravity?
This thirty minute video explains gravity. The study of gravity has played a central role in the history of science—from Galileo and Newton to Einstein's twentieth century theory of general relativity. Yet, in spite of five centuries of study, many aspects of gravity remain a mystery. How can gravity, which in many ways
is the dominant force in the universe, be at the same time, by far, the weakest of the four known forces in nature? See how physicists are
approaching this que
The Linguistic Genius of Babies
At TEDxRainier, Patricia Kuhl shares astonishing findings about how babies learn one language over another -- by listening to the humans around them and "taking statistics" on the sounds they need to know. Clever lab experiments (and brain scans) show how 6-month-old babies use sophisticated reasoning to understand their world. (10:18)
John Adams Presidency and the Alien and Sedition Acts
This video discusses John Adams and the passage of the Alien and Sedition Acts as well as the Kentucky & Virginia Resolutions and packing the courts. The five minute video does an excellent job of explaining these acts and adds insights into John Adams and the Federalist Party.
Muscle and Motion - Anatomy of the Muscular System
This 2:36 video is a dynamic visual resource that makes musculoskeletal anatomy and kinesiology easier to understand. There isn't a narrator and so the teacher can stop the video as the muscles and movements are shown. Excellent graphics.
Feudal Social Structure
A five minute lecture that explains the basics of feudalism. Has good graphics and provides good examples. A great video to introduce this topic.
Expedition 27 Crew Profile
Expedition 27 is the first long-duration spaceflight for each member of the International Space Station crew.
"In School Days" by John Greenleaf Whittier (poetry reading)
An American poem. The British find American sentimentality and sincerity hard to bear - just as Americans find British irony and dry humour baffling. The picture of the Californian School House looks as though it was taken in about 1930 - it comes from this site: http://cerritos.org/community/history-of-the-region The Schoolroom was painted by William Bromley Still sits the school-house by the road, A ragged beggar sleeping; Around it still the sumachs grow, And blackberry-vines are creep