PediNeuroLogic Exam: Newborn: Normal: Tone - Neck Tone
The tone of the neck can be assessed by passively rotating the head towards the shoulder. The chin should be able to rotate to the shoulder but not beyond the shoulder. If the chin goes beyond the shoulder then there is hypotonia of the neck muscles, which is associated with poor head control. A neuroscience tutorial focusing on those aspects of the pediatric neurological examination that are unique to the child's nervous system, with an emphasis on important neurodevelopmental milestones.
Using Dermatoglyphics from Down Syndrome and Class Populations to Study the Genetics of a complex tr
Dermatoglyphics is the study of epidermal ridges on the hands and feet. Ridge patterns and counts develop prenatally, are inherited, and show quantitative variation. This exercise introduces the preparation and interpretation of finger and palm prints for quantitative analysis. The techniques are simple, inexpensive, and can be adapted as an exercise on genetics for beginning or advanced students. Palm prints from individuals with Down Syndrome serve as a population sample to statistically test
Detectable Civilizations in Our Galaxy, Part 2
Using a well-known formula, Mr. Khan focuses on a framework for thinking about how many detectable civilizations are out there. He uses computer software for instruction. (08:53) Why do we even care about the Drake Equation? Thinking about the fraction of a planet's life when a civilization might be detectable.
Great Zoom into the Kodak Theater (Los Angeles, CA)
Using data from different spacecraft and some powerful computer technology, visualizers at the Goddard Space Flight Center present you with a collection of American cities in a way you have never seen them before. Starting with our camera high above the Earth, we rush in towards the surface at what would be an impossible speed for any known vehicle. Passing though layers of atmosphere, the colors of our destinations shimmer with their own unique characteristics, and suddenly we find ourselves fl
An Arm and A Leg
Students will design and build a prototype of an artificial limb using a simple syringe system as an introduction to bioengineering. Students will determine which substance water (liquid) or air (gas) will make the appendage more efficient.
The Perfect Purple Feather Read-Aloud Online Storybook
This read-aloud is The Perfect Purple Feather written by Hanoch Piven. Feeling a poke from within his pillow during the night, Jacob maneuvers a fluffy purple feather to the surface. Beginning with a bluebird in a nearby tree, various animals explain how they would put it to good use-as a wing, a pen, a tail, etc. When a tick tickles an elephant's nose with it, the elephant sneezes, causing the feather to fly through the sky, suggesting the possibility that it may land in the reader's bedro
Blossom and Boo Stay Up Late Read-Aloud-Online Storybook-(Bedtime)
This read-aloud is Blossom and Boo Stay Up Late written by Dawn Apperly. It is a cute story about two animal friends who want to see what the forest is like at night. There is a play button to get story started and a pause button on each page. Each word is highlighted as the speaker reads. The speaker changes voices with each character. This is a wonderful resource for building a literacy rich environment in the classroom. It would be beneficial for struggling readers and/or special education st
Expression Vectors Used in Project-Oriented Teaching Laboratories Chapter 2
This chapter describes a multi-week project taught in an upper level cell and molecular biology laboratory. Isolation of sufficient quantities of rare proteins from biological tissues can be difficult. These native proteins are often required for raising antibodies, and for studying enzymatic or regulatory function. Expression vectors are used to obtain large quantities of proteins. The cDNA encoding a protein is cloned into an expression vector. The fusion protein is over-expressed in E. coli,
Intravenous Pyelogram (IVP)
This patient education program reviews urinary tract anatomy and symptoms to explain what an intravenous pyelogram (IVP) involves, including the benefits and risks of this procedure. This is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
Welke taal spraken de Oude Belgen?
At the end of this unit: You can understand an interview on the language of the Ancient Belgians. When performing this task, You have to follow the line of reasoning in the interview. You have to listen carefully for more specific information
3.4 Penetration depth
The characteristic length, λ, associated with the decay of the magnetic field at the surface of a superconductor is known as the penetration depth, and it depends on the number density ns of superconducting electrons.
We can estimate a value for λ by assuming that all of the free electrons are superconducting. If we set ns = 1029 m−3, a typical free electron density in a metal, then we find that
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