114 results found for general

Video by Hugh Fox

Kant, in possibly his most celebrated essay, defined the Enlightenment as: Man’s emergence from his self-imposed period of immaturity. This immaturity is the inability to use one's own understanding without another's guidance. Without the freedom t....

Norman Billingham talks to Jonathan Hare about the science and ethics of preservation and conservation.

Jess describes her route into Chemistry

Children's Buckyball Workshop in San Luis Potosi Mexico with Harry Kroto organised by Humberto and Mauricio Terrones. This group started a trend balancing Buckyballs on their heads. I hope the music background is acceptable as no one is making money ....

Come share with me the memories of where ideas have come from during my life - from childhood to old age. You may find it helpful in encouraging your own brains to come up with new ideas. They won't all be useful - as I have found in this case of min....

Beginning with an exception to normal function caused by a genetic aberration, one may hope to find at least one protein with non-redundant function in a certain biological process. This approach permitted the identification of the receptor for bacte....

Metrology - the science of measurements - is responsible for the international uniformity and precision in standards. Today, the seven units for meter, kilogram, second, ampere, kelvin, mole, and candela of our international system of units (SI units....

Several laser-based Atomic Clocks now have an accuracy potential of ~2 x10-18, a hundred-fold better than the best achieved after more than 60 years' experience with rf resonances in Cs atoms. Still, this long attention span documents that the Cs Fou....

I will discuss my random walk in science, from my graduate student on postdoctoral years testing the Weinberg-Salam-Glashow theory of electro-weak forces, and then to energy transfer in condensed matter systems, the spectroscopy of positronium, laser....

In the beginning of the 60s, the laws of classical general relativity, Einstein's generalisation of Newtonian gravity, and of quantum electrodynamics, the quantum version of Maxwell's electromagnetic theory, were known. These laws describe long range....

At 2 years and 8 months Lukas is more adept than many students!

Scientific research is a never-ending 'journey of knowledge'. There is more meaning in experiencing various encounters and making a good journey itself than reaching the destination. Basic science has eternal cultural value; it has served to heighten....

Sir Paul Nurse, President of the Royal Society and Lord Stern, President of the British Academy, discussed the new opportunities – and need – for collaboration between the traditional academic disciplines to respond to the big issues of our time,....

A brief explanation on the best way to test the validity of your hypothesis

Criteria to classify Fuel Cells

An small review of science history

In his lecture Professor Christian Rene de DuvŽ gives a rough overview on the history of life starting about 3.5 billion years ago with the first cells up to the appearance of the first primates 70 million years ago, and he states that all organisms....

The acquisition of scientific knowledge largely depends on the availability of appropriate research approaches and methodologies. Novel scientific knowledge represents cultural values. On the one hand, it enriches our world-view with impacts on our....

Structural studies of the ribosome exemplify the evolution of structural studies in cell biology from the early negatively stained images of macromolecular assemblies in whole cells, to a detailed atomic understanding of the mechanism of action of a ....

The Chandra and Hubble Telescopes are in space and each costs (through operations) several billion dollars. VLT is on the ground but over 20 years of operations will also cost in excess of a billion. They all fall therefore in the category of what ....

Structural studies of the ribosome exemplify the evolution of structural studies in cell biology from the early negatively stained images of macromolecular assemblies in whole cells, to a detailed atomic understanding of the mechanisms of action of a....

The epidemiology of Helicobacter pylori continues to be an area of discovery and controversy in the 21st century. The transmission of this bacterium from mother to child allows Helicobacter DNA to mimic the evolution of maternal mitochondria DNA. B....

Infectious microbes collectively represent the strongest selective pressure operating on our species, and over hundreds of millions of years, drove the evolution of the sophisticated immune system we have today. While the general outlines of immune ....

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....

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....

It is generally accepted that the global warming, which we undoubtedly observe, is the result of an increased concentration of greenhouse gases like carbon dioxide and methane in the atmosphere.  Within this scenario it is evident that we have to re....

The palladium-catalyzed cross-coupling reaction between different types of organoboron compounds and various organic halides in the presence of base provides a powerful and general methodology for the formation of carbon-carbon bonds.  The (sp3)C-B ....

The acquisition of scientific knowledge largely depends on the availability of appropriate research approaches and methodologies.  Novel scientific knowledge represents cultural values.  On the one hand, it enriches our world-view with impacts on o....

Proteolytic enzymes catalyse a very simple chemical reaction, the hydrolytic cleavage of a peptide bond.  Nevertheless, they constitute a most diverse and numerous lineage of proteins.  The reason lies in their role as components of many regulatory....

How can one advance a working hypothesis that will not be wrong tomorrow and ridiculous the day after? Beyond the Standard Model we find uncertainty and confusion, with both unclarity as to which might be the correct theory, as well as little in the ....

Award-winning author Bill Bryson speaks to Professor Jim Al-Khalili about his personal experiences and perspectives on science, from childhood and his school years, through to writing the highly successful 'A Short History of Nearly Everything' and e....

In the course of his scientific career, Francis Crick changed research fields several times. In almost 30 years at the MRC Laboratory of Molecular Biology in Cambridge, he worked on protein crystallography, molecular genetics, developmental cell biol....

Philosophical TransactionsÊis the worldÕs first and oldest scientific journal. Still published by the Royal Society, it is about to mark its 350th anniversary, and was instrumental in establishing many forms and facets of modern scholarly publishin....

How does the reality of science reflect its portrayal in films, TV and other popular media?

A series of videos of Nobel Laureates speaking on everything from their childhoods and careers advice to communicating research

Promo for GEOSET

Fun with general science! www.sciencewithacquah.com

Jenifer Glynn discusses her bookÊMy Sister Rosalind Franklin. With the help of family letters and memories, the book puts Rosalind Franklin's DNA work in the context of her other achievements, and Rosalind herself in the context of her family.

Naval officers in general, and surgeons in particular, played a significant role in the development of maritime science, through their observations and their collections. This richly-illustrated talk explores the visual culture of maritime science, f....

Part 5, Final, Harry Kroto's lecture series: 5 Days of Opening Minds

Part 2 of Harry's '5 Days of Opening Minds' series.

Professor Sir John Cadogan was awarded the RSC Lord Lewis Prize 2010 in recognition of his distinguished research in organic chemistry and his wide-ranging, distinctive and significant contributions in industry and public service.

In the 21st century, even the toughest of metals are now being replaced by synthetic carbon-based materials that are so strong, light, and resistant to high temperatures that they can be used in the construction of high-performance aircraft.  How....

Dr David Hassall, Director of Inhaled Sciences at Glaxo Smith Klein, gives a talk on how the provision of services presents a once-in-a lifetime opportunity for GSK to use its science expertise and make a material contribution to London 2012.

Artists are constantly on the hunt for interesting new structures to frame their creative process. From composers to painters, writers to choreographers, the mathematician's palette of shapes, patterns and numbers has proved a powerful inspiration.

YSFH Educational Research Association (ERA) is established by students who would like to make better our studying and research about "Studying toward our own interests." At present we are trying to realize this in YSFH. In this presentation we tal....

The mathematician and surveyor Jonas Moore was elected FRS in the 1670s, as a result of his close involvement in plans for the founding of the Royal Observatory. At that stage he was employed as  Surveyor General of the Royal Ordnance, but under the....

How do you get ordinary people to take an interest in science? This was already becoming a problem for the scientific community in the early twntieth century.  But rather than letting outsiders do the job, the scientists took an active role.  They ....

'If you knew Time as well as I do,’ the Mad Hatter says to Alice, ‘you wouldn’t talk about wasting it. It’s him.’ In this event, three writers well-acquainted with time discuss how it (or he) both controls and captivates us.  Dame Gillian ....

Panel discussion involving Professor David Freedberg, Dr Daniela Schiller, Ian McEwan and chaired by Professor Ray Dolan FRS, as 2011.  Does emotion serve a particular function? How important is emotion in artistic expression? How do we study emotio....

It is commonly assumed that what little scientific advance there might have been in the Middle Ages was held back by the power of the Church.  But, in fact, there was important progress in science and technology during the medieval period.  And the....

No man in Georgian England ever attacked the Royal Society more savagely than Sir John Hill (1714-1775), and no one in his era was more notorious for public scandal. This talk sketches Hill's multi-faceted life and assesses his attacks on the Royal S....

During the two-year period of the composition and publication of her Vindication of the Rights of Woman (1792), Mary Wollstonecraft, the mother of Mary Shelley and early advocate of women’s rights, read and reviewed a number of important works of n....

World leading in quality and impact, UK research is helping us to identify new sources of energy for a more sustainable future and to seek cures for deadly and delibitating diseases.  New and profound insights allow us to unearth the secrets of our ....

Professor Sir Harry Kroto shows local schoolchildren in Sheffield how to build a buckyball

Staff and students at the University of Sheffield ask the Nobel Prizewinner about his life, work and science

A very inter-disciplinary approach to studying urban rivers.

A panel of 3 academics answer questions from school-children about their lives and research

A cross-cultural study on individual, team, organisational and institutional factors affecting knowledge sharing willingness in the IT services industry – a general overview and summary of initial results.

From the moment of their discovery, each of the chemical elements has embarked on a journey into our culture. Over millennia and decades, they have gained meaning through encounter and manipulation. Those long known, such as gold, silver, iron and su....

Roger Boscovich (1711-1787) was a true polymath, making original contributions in science, technology and the humanities. He was born in Dubrovnik but spent much of his working life in Rome, at the Collegium Romanum. This lecture will introduce his l....

Two University of Sheffield students have recorded a video of the Earth from the edge of space, using homemade equipment and on a shoestring budget.

Rigid interfaces force people to present or look at information the wrong way. We need a new generation of flexible Web tools that help people gather the information they want from wherever it is, organize it however they like, create the interaction....

Social networks and collaborative tagging systems have taken off at an unexpected scale and speed. Pretty much everyone now generates Web content. This represents a revolution in usage and a great opportunity to leverage collaborative knowledge to en....

Digital data stem from our own personal and social cognitive processes and thus express them in one way or another. But we still don?t have any scientific tools to make sense of the data flows produced by online creative conversations at the scale of....

This presentation portrays a general overview of the theory of abiogenesis and its conceptual history. From the theory of spontaneous generation to biogenesis to the modern-day abiogenesis, the changing perception of the origin of life is discussed.....

The Story of Science and the Royal Society - a panel discussion chaired by Melvyn Bragg. The panel is made up of Bill Bryson, Maggie Gee, Richard Holmes and Ian Stewart FRS.

A general overview and a brief history of the green movement.

Chemiluminescence and bioluminescence. General chemistry explained and examples such as fireflies, Wintergreen mints, etc. are introduced

For most of his life, Richard Fortey, has worked with collections in London's Natural History Museum, so curation has become a kind of unbreakable habit for him. In his Michael Faraday Prize lecture he will present another collection: his own persona....

Benjamin Franklin, American patriot and natural philosopher, was born 300 years ago. Apart from a brief stay in England as a young man, he spent the first fifty years of his life transforming himself from a nobody into the leading citizen of Philadel....

We all take risks, but most of the time we don't notice it. Eating, like everything else in life, isn't risk free. Is that next mouthful pure pleasure or will it give you food poisoning? Will it clog up your arteries as well as filling your stomach?

Professor Stewart's Cabinet of Mathematical Curiosities, a surprise Christmas bestseller, is now accompanied by his Hoard of Mathematical Treasures. Both books are mathematical miscellanies for the general public, ranging from one-liners to mini-essa....

It seems that most of the universe is made up of mysterious ingredients which we cannot see directly. Dr Bridle describes in pictures 'gravitational lensing', the bending of light by gravity, which is predicted by Einstein's General Relativity. Dr Br....

They were the words that scientists everywhere wanted to hear and President Obama couldn't have been clearer, promising to 'restore science to its rightful place'.

How does doing mathematics and writing stories compare? What role is mathematics playing when it is used in literature? Are stories important to understanding mathematics? Do writers have eureka moments? Marcus du Sautoy and Mark Haddon discuss the f....

The drive to publish first, even the order of the authors and the choice of the journal; the collegiality and the brutal competition; grantsmanship; the still existing glass ceiling for women; Schadenfreude, even Nobel lust - these are the soul and b....

The basic sources of Islam - the Qur'an and the traditions of the Prophet Muhammad - place a great deal of importance on science. So, theoretically, the relationship between Islam and science is both close and very deep. It was this relationship that....

NASA Administrator Mike Griffin's address applies certain lessons learned from one of the Royal Society's greatest explorers to the endeavours NASA is carrying out today in exploring the planets, moons, asteroids, and comets of our solar system and o....

Historians bring to thinking about science policy a very particular understanding which should be central to policy: historians are trained to know in their bones that the future is unknown and to understand the power of the cheap futurism which char....

Practical mathematical models are becoming an accepted part of most medical and scientific disciplines. A few of the more unlikely applications are justifying intertribal warfare, the benefits of cannibalism, how the leopard gets its spots and demons....

In a way that never took place with early Christianity, the spread of Islam heralded a remarkable period of scientific advances, particularly during the golden age of the Abbasids of Baghdad between the 8th and 11th centuries AD.

Some of the strongest evidence that lung cancer risk variants are common in the general population appears in Nature and Nature Genetics, although the three papers differ on whether the association is direct or mediated through nicotine dependence. W....

GeoGebra is dynamic mathematics software for all levels of education that joins arithmetic, geometry, algebra and calculus. It offers multiple representations of objects in its graphics, algebra, and spreadsheet views that are all dynamically linked.....

Harry Kroto talks to undergraduate scientists at FSU about his ideas for the future of science in the 21st century.

Taylor Lee investigates the role of science in the human rights movement.

Steve's winning presentation in the Mediasite Global Outreach Challenge 2009

President Obama commits the USA to a research and development sector of above 3% of GNP. This will double much of the current spending for many agencies.

Steve answers questions about the brightness of stars.

The second part of an interview with a very remarkable man.

The first part of an interview with a very remarkable man.

This clip is about solder (a low melting point metal mixture) that can be melted using a hand-held soldering iron. The solder also has flux within it to help combat corrosion and produce a good solder joint to the components and circuitry.

Chris Freeman, the founder and first director of the UK's Science Policy Research Unit introduces Bernal, the father of the protein crystallography techniques which enabled the double helix structure of DNA to be unravelled. Bernal's major impact on ....