How a Virus Works
This narrated animation explains what a virus is and how it functions. It relates the way a virus works to nanotechnology. The human immune system fights an infection, like a virus, using various types of cells. The body has to adapt to infections and the dead cells are carried to the lymph nodes.
In this video adapted from NOVA scienceNOW, learn how the common wood frog survives the cold winter. Wood frogs are found in the northern United States and Canada and must endure freezing cold temperatures for parts of the year. In order to survive the cold, they have a special adaptation—they are able to freeze solid without damaging their cells. Sugar acts like a natural antifreeze in their bodies, allowing them to spend the winter frozen and then resume function in the spring. Run time 03:3
Diagnosing ADHD Illumistream Health video. Host is Dr. Matthew H. Erdelyi, Ph. D. It can be tough to diagnose ADHD. Symptoms of ADHD include impatience, fidgeting, and an inability to focus. Children with ADHD are intelligent and extremely creative, they have less control over their impulses. Diagnosing ADHD is tricky, there is no blood test, MRI, or medical procedure. Only a doctor can diagnose ADHD, when looking for a doctor look for on
Illumistream Health video. Host is Dr. Matthew H. Erdelyi, Ph. D. It can be tough to diagnose ADHD. Symptoms of ADHD include impatience, fidgeting, and an inability to focus. Children with ADHD are intelligent and extremely creative, they have less control over their impulses. Diagnosing ADHD is tricky, there is no blood test, MRI, or medical procedure. Only a doctor can diagnose ADHD, when looking for a doctor look for on
Hydrogen From the Sun
This video looks at hydrogen production using electrolysis as one option for storing energy from the sun. The video includes a brief explanation of fuel cells.
Where does life start? How are we made up? To understand, we must learn about the actual chemistry of life. The atom makes up all molecules, including DNA, RNA, proteins, membranes, and cells. Atoms are the smallest units of matter that retain the properties of a given element. There are four elements that compose almost in your body. They are oxygen, carbon, hydrogen, and nitrogen. Video also discusses protons, electrons, neutrons and how they are charged.
The Last Day Of World War I - Part 1 of 5
This is the first part of a documentary that shows what really happened on November 11, 1918, the last day of WW1. There is an introduction and then a detailed description of the place where the armistice was signed. However, there were still some hours to go before the war really ended. There was still more blood shed. There is footage showing trenches on the western front. There is a description of the war on the western front and of the role Britain played.
Pollination and Fertilization
Insects usually assist in the fertilization of flowering plants. Fertilization occurs when one sperm nucleus fuses with the egg nucleus. Other sperms form the endosperm by fusing with egg cells. Short video clip discusses pollinators and parts of the flower like the male stigma, female stamen, ovary and embryo. Run time 01:50
Agent Based Modeling of Complex Adaptive Systems (basics)
Our human society consists of many intertwined Large Scale Socio-Technical Systems (LSSTS), such as infrastructures, industrial networks, the financial systems etc. Environmental pressures created by these systems on Earth’s carrying capacity are leading to exhaustion of natural resources, loss of habitats and biodiversity, and are causing a resource and climate crisis. To avoid this sustainability crisis, we urgently need to transform our production and consumption patterns. Given that we, as
Power and Norms: What can the Nobel Peace Prize Accomplish? The Inside Story
Professor Geir Lundestad gives a talk for the ELAC/CCW seminar series on war and armed conflict
Plate Tectonics - the Movement of Continents California and Australia used to be neighbors and Brazil was close to or connected to Nigeria. What drives the engine of plate tectonics remains a mystery.
California and Australia used to be neighbors and Brazil was close to or connected to Nigeria. What drives the engine of plate tectonics remains a mystery.
Rat anatomy, Male, Freeing major blood vessels from surrounding fat, (side/lateral view)
Rat anatomy, Male, Freeing major blood vessels from surrounding fat, (side/lateral view). Rat dissection stills taken from FARID (Functional Anatomy of the Rat [Interactive Dissection]). This resource was authored by Megan Quentin-Baxter and David Dewhurst, with Graham Irving and Stephen Mera at Leeds Metropolitan University.
Design of an eLearning System for Accreditation of
This paper deals with issues related to the non-formal learning in vocational education, and the role of ICT for providing appropriate accreditation model in such education. The presented conclusions are based on the Leonardo da Vinci project LeoSPAN. The paper emphasises on the development of a model and a prototype of an adaptive eLearning system that ensures the pre-defined learner outcomes. One of the advantages of the eLearning system is the flexibility for people who upgrade and improve th
Harold Varmus: 2010 National Book Festival
Nobel Prize winning scientist Harold Varmus appears at the 2010 National Book Festival. Speaker Biography: In 1989 Harold Varmus and Michael Bishop shared the Nobel Prize in physiology or medicine for their "identification of a large family of genes which control the normal growth and division of cells." Varmus is the former director of the National Institutes of Health and is the former chief executive officer of Memorial Sloan-Kettering Cancer Center in New York City. In July, he became the d
High levels of ultraviolet light can be harmful to many biological systems, as this higher energy radiation has a mutagenic effect on plant and animal cells.
Improving the Sales Force
Professor Lynette Ryals discusses research, carried out in collaboration with Silent Edge, relating to improving the sales force, linking sales meeting behaviour to sales success.
What is a Heart Attack?
This video explains and illustrates the heart muscle. It teaches what a heart attack is and what causes heart disease and heart attack. It shows that blood clots and a lack of blood supply can cause a heart attack. Diagrams and text explains this process. Run time 2:54
5.1 Lines and line-breaks Poets are skilled at noticing things, and one of the things we should learn to notice is how other poets employ the various devices at their disposal. All poems, even those which don't conform to a pre-existing model or form, use technical elements, even if these may not be immediately apparent. In the next few sections we are going to study, discuss and try out certain technical aspects of poetic writing, starting with lines and line-breaks. Is something poetry only if it rhymes and ha
Poets are skilled at noticing things, and one of the things we should learn to notice is how other poets employ the various devices at their disposal. All poems, even those which don't conform to a pre-existing model or form, use technical elements, even if these may not be immediately apparent. In the next few sections we are going to study, discuss and try out certain technical aspects of poetic writing, starting with lines and line-breaks.
Is something poetry only if it rhymes and ha
Bioengineering at MIT: Building Bridges Between the Sciences, Engineering and Health Care (Part One
In Doug Lauffenburger’s view, MIT’s new bioengineering degree program is not merely justified, it is essential. Revolutionary changes in biological sciences—specifically, in molecular biology and genomics—have given scientists the means to understand and control both the building blocks and larger systems of
Three blind people have had their vision partially restored, thanks to an electronic implant. In this video, one of the patients sees his hand again for the first time since going blind. He then successfully reads a word and recognises some everyday objects. The microchip works by using diodes to replace damaged light-sensitive cells in the retina. For more details on how the technology works, read our news story here: http://www.newscientist.com/article/dn19667
Your heart beats around 100,000 times every day and, in that time, pumps about 23,000 litres of blood around your body. But what happens when it doesn’t work as well as it should? This unit explains what happens in cardiovascular disease, when the heart’s performance is affected, how the normal function of blood vessels is impaired, and what treatments are available. Whether you are a patient, relative, friend or healthcare professional, you will find the unit interesting.