A selection of Khan academy Maths videos have been translate into Xhosa supported by the Maths depar
Chordates - CrashCourse Biology #24
Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal sarcopterygian osteichthyen gnathostomal vertebrate cranial chordate. (12:10)
Full Biography: Erwin Rommel
Erwin Rommel was a highly decorated officer in World War I and was awarded the Pour le Mérite for his exploits on the Italian front. Rommel soon caught the eye of Hitler and was promoted to field marshal. In World War II, he further distinguished himself as the commander of the 7th Panzer Division during the 1940 invasion of France. However, it was his leadership of German and Italian forces in the North African campaign that established the legend of the Desert Fox. He is considered to h
Sneller klaar bundel : Allerlei opdrachten
Kinderen van het eerste leerjaar die sneller klaar zijn, kunnen zelfstandig in deze bundel werken. Er komen heel wat rekenoefeningen aan bod zoals optellen, splitsen, aftrekken, de tafel van 2 en deze van 10. Dit afgewisseld met …
Fall 2012 Capstone Presentation - Introduction
On December 13th, students from the Fall Capstone class presented their projects. Taught this semester by Prof. Gavin Shatkin, the Capstone is a required course that all Master's students in the LPP and MURP programs take in their final semester. This semester's students worked with Street-Works and the City of Quincy on a plan for the redevelopment of the Quincy Center MBTA Station.
Beginner - Don't stand
The question is, should you stand, sit, swim or fly!? Yes we have a weird dialogue in today's lesson, but a fun one as well with plenty of useful vocabulary. Hopefully the few imperatives mentioned will help familiarize you with the pattern.
17.125 The Politics of Global Financial Relations (MIT)
This course explores effects of globalization of finance on international relations and domestic politics. Topics include international institutions and global governance; the multi-nationalization of production; effects of international capital markets on domestic politics; global finance and the developing world; and financial crises. Discussion of the interplay between politics and economics and the future of the nation-state.
Carolling at Memorial Church
Each year in December, Harvard's Memorial Church presents members of the University community and beyond with the gift of song.
For more than a century, the church's Harvard University Choir has performed two Christmas carol services that include readings by the clergy, and a mix of traditional and contemporary carols and hymns sung by both the choir and congregation.
Read more in the Harvard Gazette: http://news.harvard.edu/gazette/story/2012/12/a-musical-gift/
Sing, Sing, Sing
Performed by the University of Richmond Jazz Ensemble at the 2012 Cuban Spectacular. Featuring dancers Myra Daleng and Michael Whitten, Emma Phillips, '13, on drums, and Nick Yeutter, '15 on clarinet. Directed by Dr. Mike Davison.
4.3 Gamete production in men
A sexually mature man is producing sperm all the time at a rate of around 300–600 per gram of testis per second. This provides the 500 million or so which are released at each ejaculation. But the formation of an individual sperm takes about nine weeks (64 days). Sperm are produced in the testes, and production is most efficient at a temperature several degrees lower than the normal body temperature of 371°C. For this reason the testes (plural of testis) are suspended outside the body cavi
The rate at which water infiltrates into the ground depends on the permeability of the rocks and the state of the ground surface. Below the ground surface there is an unsaturated zone which has air in the pore spaces, and a saturated zone which has all the pores filled with water. The water table is the boundary between the unsaturated zone and the saturated zone, and is the level at which water stands in wells. Water below the water table is called groundwa
It is important to distinguish clearly between porosity and permeability. Porosity is a measure of how much water can be stored in a rock, whereas permeability is a measure of the properties of a rock which determine how easily water and other fluids can flow through it (see Section 4). Permeability depends on the exte
2.5 What is water made of?
The size of a water droplet may seem very small but in terms of the scale of scientific measurement it is relatively large. You already know that water is made up of molecules so now consider a water droplet more closely to see what water molecules are made up of. If you could magnify a water droplet until it no longer has a smooth surface, you would see something similar to that shown in Author(s):
As you walk down the street one day, you hear a voice from somewhere behind you that seems to be discussing this unit. It says:
‘My dad's tutor's no joker, and he told me the TMA's going to hit home with a bang.’
You turn to find the face behind the voice, which is a gravelly Glaswegian baritone, but the man has gone, leaving you to ponder what he has said. Let us call his sentence exam
11.2 Frequency discrimination
Some findings indicate that, for moderate loudness levels, humans can detect a frequency change of about 1 to 3 Hz for frequencies up to about 1000 Hz. Figure 37 shows a plot of the smallest frequency difference for which two tones can be discriminated for a number of reference tones. You can see from the figure that up to about 1000 Hz, the D
1.4.4 O is for Objectivity
One of the characteristics of ‘good’ information is that it should be balanced and present both sides of an argument or issue. This way the reader is left to weigh up the evidence and make a decision. In reality, we recognise that no information is truly objective.
This means that the onus is on you, the reader, to develop a critical awareness of the positions represented in what you read, and to take account of this when you interpret the information. In some cases, authors may be
13 Post-compulsory science education
In a speech to the Institute of Economic Affairs in 2001, the then UK Secretary of State for Education said:
Young people choosing vocational study will be able to see a ladder of progression that gives structure, purpose and expectation to their lives, in the same way that a future pathway is clear to those who leave school to gain academic A-levels and enter university. Over-16s in full-time education will be abl
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