Population Standard Deviation - Khan Academy
Defining the population standard deviation as the square root of the population variance. (08:05)
Author(s): No creator set

Water Cycle
This is a simple and straightforward animation on the water cycle.  The animation shows the different parts of the cycle as a narrator explains.  (00:59)
Author(s): No creator set

The Exchange: Business lessons from the Grateful Dead
Rob Cox talks to the New Yorker's Nick Paumgarten about how the rock band's focus on touring, taping and community presaged the post-album era of the music business.
Author(s): No creator set

[The Bastiat Collection (2011); originally from the second series of Economic Sophisms (1848)]

If anyone tells you that there are no absolute principles, no inflexible rules; that prohibition may be bad and yet that restriction may be good, reply, "Rest
Author(s): No creator set

Author(s): The Economist

INFO2009 2012-13 Resource Group 24
INFO2009 2012-13 Resource Group 24 - Su White Keywords:CW2 , student work , 2012-13
Author(s): No creator set

Este contenido estÃ¡ dirigido a los usuarios que desean aumentar los conocimientos dentro del campo del uso de las TICs para su aplicaciÃ³n en Ã¡mbitos creativos, en este caso en concreto se trabaja con tÃ©cnicas de Realidad Aumentada (RA) en sus dos vertientes: Indoor (es decir por visiÃ³n artificial), y outdoor (es decir georreferenciada).
Author(s): RocÃƒÂ­o GarcÃƒÂ­a Robles y Luis Santiago SÃƒÂ¡nchez Fer

Arthur's Baby Read-Aloud (Narrated by Kelly Rippa)
This read-aloud is Arthur's Baby written and illustrated by Marc Brown. The narrator is Kelly Rippa. The words appear at the bottom of the screen as they are read by the narrator. D.W. and Arthur find out the challenges and joys of having a new sister in the house. This is a good resource to help build a literacy rich environment in the elementary classroom. It would help struggling readers and/or special education students.
Author(s): No creator set

Author(s): The Economist

[This article is excerpted from volume 2, chapter 12 of An Austrian Perspective on the History of Economic Thought (1995). An MP3 audio file of this chapter, narrated by Jeff Riggenbach, is available for download.]

Author(s): Creator not set

Leerlingen vergelijken twee getallen en plaatsen er het juiste teken (>, < of =) tussen. Er wordt gewerkt met getallen tot en met vijf.

Author(s): No creator set

Deze bijdrage bevat hyperlinks naar filmfragmenten, die ondersteund worden met uitleg in de presentatie. Op die manier worden de betekenis en de gevolgen van een natuurramp telkens toegelicht.

Author(s): No creator set

FotografÃ­a en movimiento: Filmmaking DSLR
Recopila, sintetiza y detalla los contenidos trabajados en cada una de las sesiones del taller organizado por Espacio-Red de PrÃ¡cticas y Culturas Digitales (UNIA)
Author(s): MÃƒÂ­chelo Toro

"Glucose Fuel Cells: Brain-Implantable Electronic Devices that Run Like the Brain": Video component of the Application for the 2012-2013 Lemelson-MIT Student Prize, by Benjamin I. Rapoport.

Author(s): No creator set

Managing coastal environments
Coastal environments are by their nature ever-changing. This unit looks at the example of the Blackwater Estuary in Essex, England, describing how the current state of the estuary came to be. It examines the contests and conflicts that centre on the estuary in terms of managing the environment for human needs and the needs of the other species who make their habitat there.Author(s): Creator not set

You will shortly be asked to read through a research paper published in the Journal of Medicinal Chemistry, in which the synthesis and structureâ€“activity relationships of doxazosin and related compounds are described. It has been provided:
Author(s): The Open University

## Activity 6

0 hours 10 minutes

This clip addresses the question of how one might go about building a tree, or inferring relationships of common ancestry, by recognising evolutionary novelties, or share
Author(s): The Open University

## Activity 4

0 hours 5 minutes

In this clip, Dr. Patterson introduces his third systematist, a German entomologist named Willi Hennig. This offers a third meaning of â€˜relationshipâ€™, which is illustr
Author(s): The Open University

To the lay person, it might seem surprising that there is any problem with the recognition of higher taxa. The very existence of long-established vernacular names for inclusive groupings of species (e.g. finches, thrushes, parrots and hawks as distinct groups of birds) suggests that higher taxa are self-evident. Accordingly, the task of the taxonomist might seem merely to consist of recognising these groupings and assembling them in a hierarchy of increasingly inclusive categories.

Inde
Author(s): The Open University

This unit is from our archive. It is an adapted extract from the Science (S365) module that is no longer in presentation. If you wish to study formally at The Open University, you may wish to explore the courses we offer in this Curriculum Area

This unit is concerned with macroevo
Author(s): The Open University