202 results found for lindau-nobel

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00:43:00

The Development of Particle Physics

by Martinus Veltman
The Development of Particle Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1545 views
Rating:

Particle physics mainly developed after World War II. It has its roots in the first half of the previous century, when it became clear that all matter is made up from atoms, and the atoms in turn were found to contain a nucleus surrounded by electro....

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01:04:00

Mapping the Universe and Its History

by George Smoot
Mapping the Universe and Its History
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 2989 views
Rating:

Using our most advanced techniques and instruments we sift through study the cosmic microwave background as a relic of the early universe to understand the events surrounding the birth and subsequent development of the Universe.  A precision inspect....

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00:49:00

Dynamics of Chemical Reactions

by Yuan Lee
Dynamics of Chemical Reactions
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1427 views
Rating:

Every macroscopic chemical transformation, whether it is atmospheric ozone depletion or the burning of a candle, consists of millions of microscopic chemical events, which involve collisions between molecules.  It has been the dream of scientists fo....

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00:35:00

From Disorder to Order

by Gerhard Ertl
From Disorder to Order
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1365 views
Rating:

Our experience suggests that a system will usually show the tendency to undergo spontaneously a transition from the state of order into disorder.  Quite in contrast, our world developed from an initial state of great disorder into another one where ....

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00:40:00

Roles of Protein Degradation in Health and Disease

by Avram Hershko
Roles of Protein Degradation in Health and Disease
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 2969 views
Rating:

The selective degradation of many short-lived proteins in eukaryotic cells is carried out by the ubiquitin-mediated proteolytic system.  In this pathway, proteins are targeted for degradation by covalent ligation to ubiquitin, a highly conserved sma....

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00:45:00

Basic Science and Co-entrepreneurship, my Experience

by Robert Huber
Basic Science and Co-entrepreneurship, my Experience
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1404 views
Rating:

The design and development of inhibiting (or occasionally activating) ligands of target proteins in medicine and crop protection guided by molecular structures and functions has become an established technology in academia and industry recently._ Dr....

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00:54:00

The Revolutionary Impact of the GOOYouWiki World (GYWW) on Education and Student Success

by Harry Kroto
The Revolutionary Impact of the GOOYouWiki World (GYWW) on Education and Student Success
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1860 views
Rating:

Prof. Kroto starts his lecture with remarks on his boyhood and his passions at school and University, especially graphic art and drawing.  He mentions his 4/5 rule and shows the connection between theory and experiments, and he is sold on scientific....

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00:39:00

Molecular Catalysis for Green Chemistry

by Ryoji Noyori
Molecular Catalysis for Green Chemistry
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1521 views
Rating:

Science is inevitably intertwined with society.  The state of the art of science, coupled with industrial endeavors, has determined our quality of life.  Chemists are proud of their ability to generate high value from almost nothing by using accumu....

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00:35:00

Designing Molecules and Nanoparticles to Help See and Treat Disease

by Roger Tsien
Designing Molecules and Nanoparticles to Help See and Treat Disease
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1375 views
Rating:

Molecules to observe and manipulate biological systems can be devised by a variety of strategies, ranging from pure chemical design and total synthesis to genome mining and high-throughput directed evolution. Examples of both successes and failures a....

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00:27:00

Adventures in Nontranslational Research

by Martin Chalfie
Adventures in Nontranslational Research
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1606 views
Rating:

Professor Martin Chalfie regrets the disproportionately high funding of translational research, defined as applied research for the treatment of human diseases.  With examples from the research in his lab he wants to show how important nontranslatio....

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00:37:00

The Amazing Ribosome

by Ada Yonath
The Amazing Ribosome
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1553 views
Rating:

Ribosomes are the universal cellular machines that act as polymerases that translate the genetic code into proteins. They posses spectacular architecture accompanied by inherent mobility that facilitate their smooth performance in decoding, peptide ....

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00:40:00

Why I love Microbes

by Richard Roberts
Why I love Microbes
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1696 views
Rating:

We live in a fascinating world surrounded by life. Much of that life is clearly visible like the plants and animals that we see every day. However, far more is invisible to the naked eye and it is to this realm, the microscopic world, that I will t....

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00:51:00

Why do we not have a vaccine against TB or HIV (yet)?

by Ralph Zinkernagel
Why do we not have a vaccine against TB or HIV (yet)?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1333 views
Rating:

Survival of vertebrate hosts against infections depends on important natural or innate resistance mechanisms combined with adaptive immune responses of T and B cells. Infectious agents probe the limit of immune responses and help to characterize thr....

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00:46:00

Darwinian evolution as understood by scientists of the 21st century

by Werner Arber
Darwinian evolution as understood by scientists of the 21st century
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1993 views
Rating:

After a short reminder of the historical development of evolutionary biology, elements to a molecular theory of Darwinian evolution will be presented. Biological evolution is driven by the availability of genetic variants in populations. The occasi....

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00:38:00

Protein Crosstalk in Cell Signaling

by Edmond Fischer
Protein Crosstalk in Cell Signaling
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1579 views
Rating:

This talk concentrates on cellular regulation by tyrosine phosphorylation which has been directly implicated in cell growth, differentiation and transformation. Growth factor receptors transduce their signal by recruiting a multiplicity of adaptor p....

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00:12:00

The cell cycle and cancer

by Tim Hunt
The cell cycle and cancer
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 2439 views
Rating:

It was in 1882 that Walther Flemming published drawings of chromosomes lining up in mitosis and parting equally to the daughters of cell division, and 20 years later that Theodor Boveri explained the significance of the chromosome dance in terms of t....

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01:05:00

RNAi and development in C. elegans

by Craig Mello
RNAi and development in C. elegans
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 2664 views
Rating:

Argonaute proteins interact with small RNAs to mediate gene silencing. C. elegans contains 27 Argonaute homologs, raising the question of what roles these genes play in RNAi and related gene-silencing pathways. Through our collaborator, Dr. Shohei....

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00:51:00

Nitric oxide as a messenger molecule and its role in drug development

by Ferid Murad
Nitric oxide as a messenger molecule and its role in drug development
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1662 views
Rating:

The role of nitric oxide in cellular signaling in the past three decades has become one of the most rapidly growing areas in biology. Nitric oxide is a gas and a free radical with an unshared electron that can regulate an ever-growing list of biolog....

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00:39:00

Recent Advances in Olefin Metathesis Catalyzed by Molybdenum and Tungsten Alkylidene Complexes

by Richard Schrock
Recent Advances in Olefin Metathesis Catalyzed by Molybdenum and Tungsten Alkylidene Complexes
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1788 views
Rating:

In the process of preparing M(NR)(CHCMe2R')(OR")2 (R' = Me or Ph) species (or analogs that contain enantiomerically pure biphenolate or binaphtholate ligands) in situ by treating M(NR)(CHCMe2R')(pyrrolide)2 species with alcohols, we have discovered M....

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00:41:00

Building and Breeding Molecules to Spy on Cells, Tumors, and Organisms

by Roger Tsien
Building and Breeding Molecules to Spy on Cells, Tumors, and Organisms
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1529 views
Rating:

Molecules to observe and manipulate biological systems can be devised by a variety of strategies, ranging from pure chemical design and total synthesis to genome mining and high-throughput directed evolution. Examples of both successes and failures ....

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00:35:00

GFP and After

by Martin Chalfie
GFP and After
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1860 views
Rating:

Since its introduction as a biological marker, the Aequorea victoria Green Fluorescent Protein (GFP) has had a strong impact in biology, being used in an ever-increasing variety of ways. I will review a bit of the history of GFP and show how having ....

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00:26:00

Chemistry of Bioluminescence

by Osamu Shimomura
Chemistry of Bioluminescence
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1556 views
Rating:

There are numerous kinds of luminous organism on earth. Mysterious emission of light from them inspired the curiosity of mankind ever since the ancient times. In history, Raphael Dubois discovered luciferin and luciferase from one of them, a click ....

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00:28:00

Canoeing in the Arctic, a Scientist’s Perspective

by Peter Agre
Canoeing in the Arctic, a Scientist’s Perspective
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1830 views
Rating:

As scientists, our livelihoods are supported by teaching and research, but we also have the opportunity to make observations beyond our usual confines and share these with non-scientific citizens. Growing up in my native state of Minnesota, I have al....

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00:33:00

An Earth Powered Predominantly by Solar and Wind Energy

by Walter Kohn
An Earth Powered Predominantly by Solar and Wind Energy
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1730 views
Rating:

I shall present and explain the thesis that mankind is on the threshold of a dramatic transition: From an earth, predominantly powered by oil and other fossil fuels, with unsustainable global warming, to a new earth predominantly powered by "clean" s....

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