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Chemistry Lesson - 1 - What is Chemistry? - Video

The Professor comes face-to-face with an Australian koala - and learns not to call it a koala bear. And as always, it's a chance to talk chemistry. Our thanks to Cleland Wildlife Park in Adelaide, South Australia, and to Hank the koala

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Koala Bears and Eucalyptus - Periodic Table of Videos - Video

Abortion's Handmaid: The Depersonalized World of Dianna Murphy http://www.docsociety.org ????-??—— Herbert Aaron Hauptman (February 14, 1917 -- October 23, 2011) was an American mathematician and Nobel laureate. He pioneered and developed a mathematical method that has changed the whole field of chemistry and opened a new era in research in determination of molecular structures of crystallized materials.

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Herbert Aaron Hauptman, 1985 Nobel Laureate in Chemistry (A Meditation) - Video

General Chemistry

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Chemistry 1A - Lecture 4 - Video

by Jeff Bernat Support!: itunes.apple.com Trust me, it's worth it.

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Jeff Bernat - Moonlight Chemistry - TheGentlemanApproach - Video

This lesson discusses the various structures of solids and how those structures result in general properties.

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Chemistry 8.5 Properties of Solids - Video

Have fun using either our melt

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EW Kitchen Chemistry: Herbed Guest Soap DIY - Video

Hope you enjoyed this video. If you pay attention to the words you can really learn what the 5 different types of chemistry consist of.

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Studying the 5 Types of Chemistry- A fun way to learn - Video

1/2 ? goo.gl

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CHEMISTRY 10th Anniversary in NY 2/2 - Video

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CRYSTAL KAY feat.KANAME(CHEMISTRY) After Love-First Boyfriend- - Video

Hey what's up guys it UniqueRiggers and in this episode I open one 15k pack and some 7.5k packs. Whilst opening the packs I will talk about where the players can fit into my possible teams and what sort of teams I can build with them.

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Packs To Perfection Episode 4 Chemistry (Fifa 12) - Video

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Kaname Kawabata [from chemistry] Omarion-O cover - Video

4 December 2011: Have something to say about an article you’ve read on Chemistry World this week? Leave your comments below…

Academia grows its role in drug discovery
Report claims patents filed by universities around the world are growing rapidly while pharma patents are stagnating

Capturing compounds in cages for chemical control
Encapsulating a reagent inside a molecular capsule circumvents the need for lengthy protecting group chemistry

Devices to help miners breathe easier
Portable devices to test silica levels in coal dust on-site could lead to reduced silica exposure in mines

Government launches UK life sciences strategy
Life sciences industry receives a cash boost to bridge the gap between an idea and a product

Artificial enzyme outperforms nature
An antioxidant wrapped in a soft protein shell could be a treatment for a nerve cell disease

Catalyst clears up corrosion
Photocatalyst ink provides a cheap and easy way to clean metals in industry

Commission appoints first chief scientific adviser
Aberdeen microbiologist Anne Glover will provide the European commission with advice on science and technology

Atmospheric carbon capture costs underestimated
Capturing carbon dioxide from the air will be much more expensive than previously thought, researchers report

Europe plans large cash injection for research
The successor to the FP7 programme will put 80 billion euros into research over the next seven years

                  

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The Chemistry World team are going to have some fun with a few Christmas related posts this December. First up, Advent Candles, look out for more in the coming weeks…

— Advent candle

For me, candles are a huge part of Christmas. As the night draws in, there’s something about a cosy room full of flickering candle light to really make me feel all Christmassy, and I love singing in candlelit carol services (although I always worry a bit about synthetic fabrics and distracted children). This year, though, there’s another reason for me to enjoy Christmas by candlelight from Michael Faraday, the man who instituted the Christmas Lectures at the Royal Institution and general chemistry hero.

As part of an Open University course I’m doing in my spare time, I’ve been learning about the life, work and reputation of Faraday. As part of my study I’ve been reading Faraday’s The chemical history of the candle and so I’ve started thinking a lot more about what’s going on in that flame.

Most candles today are made from paraffin wax, a solid mix of hydrocarbons with around 20-40 carbons per chain. The match or lighter melts a small amount of the wax and that is drawn up the wick by capillary action where it combusts, giving a flame. That flame melts more wax and so the candle will burn and burn until it’s put out or it runs out of fuel. So, hydrocarbon and oxygen reacts exothermically to give water and carbon dioxide, just as Faraday demonstrated. So far so good. But what’s fascinating is that we still don’t know every reaction going on in that tiny flame.

On Earth, the candle’s flame is shaped by the convection of the hot compounds from the combustion of the fuel. The blue that you can sometimes see at the bottom of the flames is the molecular emission of carbon, and then after breaking and rearranging at the wick, the fuel creates soot particles that are carried up by convection to where they glow with heat to give the classic yellow flame, before moving to the outer surface for the actual combustion reaction. But what form does that soot take? That turns out to not be as stupid a question as it might sound. Earlier this year, chemists found diamond nanoparticles in the middle of candle flames – your advent candle flame could make over 1.5 million nanodiamond particles per second.

— A candle flame in microgravity

We’ve sent candles up into space to understand how gravity affects the flame (and Nasa suggest how to repeat the experiment by dropping a candle enclosed in a jar here). What you’ll see is that instead of a teardrop shape, the flame will burn round and blue (and only for a short while, as the CO2 produced doesn’t go anywhere and eventually snuffs out the flame, just like Faraday showed it does in his demonstrations). Another trick you can do with your candles is to relight the candle after blowing it out by lighting the gases coming off the wick. Although you see the soot particles rising up, there is also fuel in that column, and introducing a match to the smoke will light the fuel and travel down the column to relight the candle.

Over on twitter today, @neilwithers asked what would be the updated chemical history of the candle, I think I’d have to reply that while we can do others and that’s great, candle chemistry ain’t dead and at Christmas I don’t think it can be beaten. For example, only last week I wrote a story on using candle soot as a template for an omniphobic surface. The very reason, Doris Vollmer told me, that they used candles was because they were doing the work around Christmas last year and had a load of left over candles to hand. One caveat though, don’t mix candles and tinsel.

Laura Howes

                  

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In this week’s Chemistry in its element podcast, Brian Clegg tells an epic tale of creation and destruction with nitric acid playing hero and villain. And you can find out more on nitric acid’s cinematic role in our feature on film

                  

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Total expands renewable fuel R&D with $105m – Watson launches generic Lipitor – And Reach dossiers not up to scratch

GREENTECH – French oil super major Total and Amyris, which makes renewable chemical products, have agreed to expand an ongoing R&D partnership with an injection of $105 million (£67 million) from Total. The extra money will be added to the $180 million already in the pot for developing diesel from plant sugars. In addition, the two companies have agreed to form a 50–50 joint venture for work on a range of renewable products, including fuels and chemicals.

PHARMACEUTICAL – Vivimed – an Indian company focused on chemicals for the personal care market – has bought Spanish active pharmaceutical ingredient (API) manufacturer Uquifa. Vivimed has made several acquisitions in recent years. In 2008, it bought UK dye manufacturer James Robinson, and then a year later it bought US firm Har-Met. The company says the acquisition of Uquifa, which will become the API division of Vivimed, is based on strong expected growth in the global healthcare market.

CHEMICAL – Swiss speciality chemicals company Sika has bought Duochem, a privately owned Canadian company that makes polymer flooring and waterproofing products for the construction industry. Duochem generates annual sales of CHF9 million (£6 million).

PHARMACEUTICAL – US generics company Watson has begun what it is rather breathlessly calling the ‘largest generic product launch in US history’. The company has starting shipping a generic version of the mighty Lipitor (atorvastatin). If it isn’t the ‘largest generic product launch’, it’s certainly the most discussed. Lipitor, which is used to lower cholesterol, has been the biggest selling drug in the world for some time – in 2010, it pulled in $10.7 billion in sales for Pfizer.

CHEMICAL – Most Reach (registration, evaluation, authorisation and restriction chemicals) registration dossiers do not follow official guidelines, and some lack ‘very basic information’, according to research conducted by a group at the Center for Alternatives to Animal Testing (Europe) at the University of Konstanz, Germany. The group looked at 400 randomly selected records and found insufficient information about reproductive and developmental toxicity in many. The researchers estimate that, based on proposals in the studied dossiers, 1.6 million animals will be needed for the 4600 substances Reach registered so far. They add that in vitro tests, which would not require animal testing, are ‘completely absent’ from the proposals and should be promoted more strongly.

Andrew Turley

                  

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The International Year of Chemistry (IYC) was brought to a close yesterday in Brussels, Belgium, with a bang as Iupac president Nicole Moreau made the most of the media spotlight to announce that the names for elements 114 and 116 had been give provisional approval.

The event, which attracted more than 800 people from 70 countries, was a time for reflecting on what had been achieved over the year and how much more there was still to do in raising awareness of the contributions that chemistry plays in everyone’s lives. Many of the speakers made much of the fact that tough times are ahead, as we face unprecedented global challenges in energy, food, water and many other areas. But there was real optimism that the next generation of young chemists is up to the job.

The young leaders gave us a taste of that optimism by taking us on a trip into the future, presenting their intriguing vision of how chemists currently at school would be make the world a better place by 2050. They envisaged a world where biochips could rapidly sequence genomes to tailor disease therapies to the patient, where plant-based purification systems provided enough clean water for everyone and zero-carbon eco-cities are the order of the day. It’s a world that can’t arrive soon enough!

The IYC was timed to coincide with the centenary of the first Solvay Conference and Marie Curie's chemistry Nobel

But will the accomplishments of the IYC live on? There were certainly lots of eye-catching events that made it into the media, like the global water experiment, some beautiful IYC stamps and a whole host of other experiments and events. But will this event be a one off, with chemistry disappearing off the public’s radar next year? Moreau said that if she had one criticism of the IYC it was that too often chemists were talking to other chemists, rather than politicians, journalists and the public. Others said that the legacy of the IYC will be a better informed public with an appreciation of how dependent the world is on chemistry and the chemical industry.

Another of the messages that resonated throughout the event was happiness. Young leader Rui Vogt Alves da Cruz, senior R&D manager at Dow, drove home how important it was for people to have fulfilled lives and how chemistry could give them that chance. The young leaders showed the audience how chemistry will add to the world’s net happiness by making sure that no one goes hungry, by treating illness and disease, and by freeing society from energy worries with cheap solar power. Nobel laureate Ada Yonath, who won the 2009 chemistry prize for her work on the structure of the ribosome, echoed their words, saying that it was important to go to work with a smile on your face and that pursuing her scientific career had given her just this chance. And Ellen Kullman, chief executive of DuPont, talked about how her happiness had been enhanced by a career that let her indulge her love of puzzle solving.

While talking about how chemistry could improve the world, Yonath used her platform to make an impassioned plea for drug companies to invest more money in developing antibiotics. She warned that the world is running short of effective antibiotics as resistant bacteria become a growing problem. Antibiotics, she pointed out, are one of the reasons we now live far longer than we did in the 1950s and she is looking at how her work on the ribosome’s structure can inspire new drug molecules.

At the end of the day, the speakers all seemed to be in agreement: IYC is not the end, it is just the beginning. As Da Cruz puts it: ‘We have to continue education, and as I mentioned it will take years for all those seeds we are planting now to give us more science students.’

Patrick Walter

                  

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Tune in to this month’s podcast as Phillip, Philip and Philip Andrew take a spin with the world’s smallest car, ponder the possibility of pee power and flick the switch on benzene’s aromaticity.

Plus, we have Leo Enticknap from Leeds University discussing how to keep the kings and queens of the screen pristine. And Martin Bide of Rhode Island University gets his hands dirty cleaning up the textile industry.

                  

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The head and chairman of the EPSRC faced robust questions from the House of Lords science and technology committee yesterday over the direction of the funding council’s roadmap for the physical sciences.

David Delpy, chief executive of the EPSRC, and John Armitt, chair of the council, were both quizzed by top scientists from the House the Lords over the council’s ‘shaping capability’ strategy, the inclusion of ‘national importance’ as a criterion in assessing grants and whether the EPSRC will be a funder or sponsor of research in the future.

The council’s plan to require grant applicants to articulate their research’s importance to the country over a 10-50 year timeframe came in for particularly close scrutiny. John Krebs, a top zoologist at Oxford University, pointed to a page on the EPSRC website that stated that national importance was going to be given the same weighting as research excellence. Delpy responded that this was in error and that research excellence was the primary critereon for funding research with national importance coming into play in the case of a tie break. Martin Rees, Astronomer Royal and former president of the Royal Society, described efforts to try to predict research’s importance as an ‘entirely unrealistic requirement’. Delpy and Armitt defended national importance as something that the EPSRC has been requiring in grant applications in one form or another for some years. Armitt added that the council’s ‘transparency’ in spelling out its policy on the importance of research’s contribution to society had created a ‘rod for our own back’.

The council’s shaping capability strategy also came in for criticism. The strategy has proved controversial among some researchers, particularly in the chemistry community, for its emphasis on targeting funding to particular areas. Critics have claimed that the strategy makes a mockery of peer review and leaves EPSRC administrators in charge of the future direction of UK science. The committee asked whether the council’s shaping capability strategy and national importance criterion would strangle blue skies research. Delpy responded that peer review on grant panels would still spot new and exciting ideas as they come along.

Responding to questions about whether the EPSRC should be a funder or sponsor of research, Armitt said that the council’s role was to try to help the community set out a research agenda as it sees it. He added that in the past funding council’s had been seen as ‘fruit machines’ and that researchers kept going for another spin to see if they could hit the jackpot. He said that this could not continue and that the objective of setting an agenda for the research community was to get the ‘maximum bang for your buck’.

Patrick Walter

                  

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— Georgy Flyorov is honoured in the naming of element 114

In a piece of showmanship no doubt intended to further raise the profile of chemistry, Nicole Moreau, president of Iupac, announced at the closing ceremony of the International Year of Chemistry the proposed names for elements 114 and 116, whose discovery was officially ratified in May of this year.

The discoverers of the brand new elements, the Joint Institute for Nuclear Research in Dubna, Russia and from the Lawrence Livermore National Laboratory, California, US, agreed on the names flerovium (Fl) for element 114 and livermorium (Lv) for element 116. These names have been OK’d by Iupac’s inorganic chemistry division paving the way for the provisional recommendations. Now, the names are open for public comment and after five months the inorganic division will make a decision on whether or not to accept the new names.

Livermorium is obviously named after the lab, while flerovium is the Russian lab’s tribute to the physicist Georgy Flyorov. What do you think of the new names? What would you have called them?

Patrick Walter

                  

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