Friday 22 February 2008

Crowd behaviour

Some time ago I have dabbled in simplistic modelling of decision making in networked societies. While large scale decisions, in weakly connected environments, such as political choices in country sized society, where most of the participants can interact only indirectly, via many links or via general communication tools, such as media, are rather difficult to study and observe `in real life', it seems that the research on crowd behaviour is much easier.

A recent publication by a group od researchers at the University of Leeds that humans flock like sheep and birds, subconsciously following a minority of individuals. It takes a minority of just five per cent to influence a crowd’s direction – and that the other 95 per cent follow without realizing it.


Comparing this to animal behaviour might be really interesting. But also the nature of the links in the crowd, where interactions span almost the whole group - but are of necessity very shallow in information transfer (we observe only very superficial and incomplete indcators of others decision reasoning, process and results) is quite interesting.

Tuesday 19 February 2008

We are the champions - national pride in Science

Recent discovery of a stellar system that contains two planets that closely resemble Jupiter and Saturn, and thus offer great similarity to our own solar system has resulted in quite curious `national' observation.

Most of the Polish newspapers and TVs have reported this under the titles of "Polish scientist discover a Solar-like star system". One TV news programme has even suggested that the Polish team should get Nobel Prize for the discovery. (To be fair, they have asked a researcher from Oxford and he clearly replied NO).

On the other hand most of the US news agencies and papers have not reported ANY Polish involvement. For example in the Reuters newsfeed we find

Scientists and amateurs find new solar system

WASHINGTON (Reuters) - Astronomers and amateur stargazers have used an unusual technique to find a solar system that closely resembles our own and say it may be a new and more productive way to scour the universe for planets -- and life.

They said technique, called microlensing, shows promise for finding many more stars, perhaps with Earthlike planets orbiting them.

"We found a solar system that looks like a scaled-down analog of our solar system," Scott Gaudi of Ohio State University, who led the study, told reporters.

The new solar system, described in Friday's issue of the journal Science, has two planets of similar size and orbit to Jupiter and Saturn. It is the first time microlensing has been used to find two planets orbiting a single star.


Let's have a look at the original paper, published in Science. The author list is quite impressive - and one can find both Scott Gaudi and many Polish astronomers there, as well as many others.
B. S. Gaudi, D. P. Bennett, A. Udalski, A. Gould, G. W. Christie, D. Maoz, S. Dong, J. McCormick, M. K. Szymanski, P. J. Tristram, S. Nikolaev, B. Paczynski, M. Kubiak, G. Pietrzynski, I. Soszynski, O. Szewczyk, K. Ulaczyk, L. Wyrzykowski, The OGLE Collaboration, D. L. DePoy, C. Han, S. Kaspi, C.-U. Lee, F. Mallia, T. Natusch, R. W. Pogge, B.-G. Park, The µFUN Collaboration, F. Abe, I. A. Bond, C. S. Botzler, A. Fukui, J. B. Hearnshaw, Y. Itow, K. Kamiya, A. V. Korpela, P. M. Kilmartin, W. Lin, K. Masuda, Y. Matsubara, M. Motomura, Y. Muraki, S. Nakamura, T. Okumura, K. Ohnishi, N. J. Rattenbury, T. Sako, To. Saito, S. Sato, L. Skuljan, D. J. Sullivan, T. Sumi, W. L. Sweatman, P. C. M. Yock, The MOA Collaboration, M. D. Albrow, A. Allan, J.-P. Beaulieu, M. J. Burgdorf, K. H. Cook, C. Coutures, M. Dominik, S. Dieters, P. Fouqué, J. Greenhill, K. Horne, I. Steele, Y. Tsapras, From the PLANET and RoboNet Collaborations, B. Chaboyer, A. Crocker, S. Frank, and B. Macintosh


Now, the question is: is it acceptable that the reporters would pick the nationalistic elements in the story and openly wave the flags of discoverers? In the light of the truly multinational cooperation that has led to the discovery it seems a bit parochial. This is the humanity effort to discover, possibly, other beings in the Universe!

But on second reflection I thought of the positive, role model building side of such national pride attitude. Yes, the Americans have the right to claim success. So have the Poles. And so have the New Zealanders, Koreans and many others, judging by the affiliations of the team members. Science should use any available vehicle to promote rational thinking and scientific attitudes, and the model offered by sports reporters is a good one. We are the champions! Everytime we discover anything!

And for me the most uplifting part of the news is that indeed, some members of the team were genuine AMATEUR SCIENTISTS. This is the flag I would choose to be counted under.

Evolution wars - again

Recently, Florida Department od Education has become a new battl;efront in the war waged by religious groups against Science. The Clay County School Board has voted for the following resolution:

RESOLUTION

Whereas, the Florida Department of Education has drafted and is now proposing new Sunshine State Standards for Science, the Clay County School Board opposes the implementation of the new standards as currently presented.

Whereas, the new Sunshine State Standards for Science no longer present evolution as theory but as “the fundamental concept underlying all of biology and is supported in multiple forms of scientific evidence,” we are requesting that the State Board of Education direct the Florida Department of Education to revise the new Sunshine State Standards for Science so that evolution is not presented as fact.

Whereas, the Clay County School Board recognizes the importance of providing a thorough and comprehensive Science education to all the students in Clay County and to all students in the State of Florida, it recognizes as even more important the need to present these standards through a fair and balanced approach.

NOW THEREFORE, BE IT RESOLVED by the School Board of Clay County, Florida, that the Board urges the State Board of Education to direct the Florida Department of Education to revise the new Sunshine State Standards for Science such that evolution is not presented as fact.

Approved by the School Board of Clay County on the 17th day of January, 2008.


Similar resolution has been passed by Taylor County, differing only by adding a significant phrases extending the meaning of the resolutions beyond mere `biological evolution':

Whereas, the Florida Department of Education has drafted and is now proposing new Sunshine State Standards for Science, the Taylor County School Board opposes the implementation of the new standards as currently presented.

Whereas, the new Sunshine State Standards for Science no longer present evolution as theory but as “the fundamental concept underlying all of biology and is supported in multiple forms of scientific evidence,” we are requesting that the State Board of Education direct the Florida Department of Education to revise/edit the new Sunshine State Standards for Science so that evolution is presented as one of several theories as to how the universe was formed.

Whereas, the Taylor County School Board recognizes the importance of providing a thorough and comprehensive Science education to all the students in Taylor County and to all students in the state of Florida, it recognizes as even more important the need to present these standards through a fair and balanced approach, an approach that does not unfairly exclude other theories as to the creation of the universe.

NOW THEREFORE, BE IT RESOLVED by the Taylor County School Board of Taylor County, Perry, Florida, that the Board urges the State Board of Education to direct the Florida Department of Education to revise the new Sunshine State Standards for Science such that evolution is not presented as fact, but as one of several theories.


Now, aside from rather obvious fact that the School Boards in question do not understand what they are voting about, for example what is a scientific theory and fact, or that evolution has very little to do with origin of the Universe the recent movements seem quite important.

Some of the comments following these resolutions were that Florida will become laughingstock of the US and the world. I believe otherwise. Florida is on the forefront of the battle against secular, rational thinking and will be eventually applauded for its dedication to fight unwanted thinking. I am not joking. The general resurgence of fundamentalist religions everywhere is a phenomenon that has to be taken into account. Just check what is the stance of the UC presidential candidates. Does ANY SINGLE ONE OF THEM clearly and openly support evolution and scientific viewpoint? Can anyone send me a pointer to such statements? Is it that they are afraid of stating it, or that they really do not believe evolution?

The rational efforts of scientists are falling on purposely deaf ears. Our societies want to be blindfolded. And it seems that probably the only way to fight the religious war against rational thinking is to adapt the same measures.

I would vote for the resolutions taken in Florida. And I urge that the doctrines of the Church of the Flying Spaghetti Monster should be taken equally seriously as Christian Intelligent Design proposals and incorporated into school curricula as one of the `several theories explaining the origin of the Universe'. An almost ready to send letter to this effect is available on the WEB page of the Church:


I am writing you with much concern after having read of your hearing to decide whether the alternative theory of Intelligent Design should be taught along with the theory of Evolution. I think we can all agree that it is important for students to hear multiple viewpoints so they can choose for themselves the theory that makes the most sense to them. I am concerned, however, that students will only hear one theory of Intelligent Design.

Let us remember that there are multiple theories of Intelligent Design. I and many others around the world are of the strong belief that the universe was created by a Flying Spaghetti Monster. It was He who created all that we see and all that we feel. We feel strongly that the overwhelming scientific evidence pointing towards evolutionary processes is nothing but a coincidence, put in place by Him.

It is for this reason that I’m writing you today, to formally request that this alternative theory be taught in your schools, along with the other two theories. In fact, I will go so far as to say, if you do not agree to do this, we will be forced to proceed with legal action. I’m sure you see where we are coming from. If the Intelligent Design theory is not based on faith, but instead another scientific theory, as is claimed, then you must also allow our theory to be taught, as it is also based on science, not on faith. [...]


Scientists seem to have to adapt the same discipline and devotion that the religious movements have to protect the sacred grounds of Science against the infidels. To Arms!

No excuse for ignorance

One of the major topics of the Country of Blindfolded is my horror of humanity as ignorant mass of people, taking decisions blindly. Not because we can not see, but because we do blindfold ourselves. Especially when it comes to rationality. Especially when it comes to basic scientific literacy.

For this reason I was thrilled when I have read the commentary by Anthony C. Grayling in the Feb 9th issue of New Scientists, titled `There's no excuse for ignorance'. This was as if I read the thoughts that are constantly in my mind (written in better English). Here are some excerpts that point to the major issues (I am sorely tempted to quote in extenso, as the text is fully worth of it and accessible only by subscription, but my legalistic mind prevails):

Keeping abreast of what is happening in science and technology should be a matter of course for thoughtful people, no matter what their educational background or occupation. [...] Of course, active engagement in any branch of science requires expertise, but an intelligent appreciation of reports about the outcomes, significance and possible applications of research does not. [...]

A third and equally important part [of scientific literacy] is being able to take an informed and hence responsible stance on issues that vex society, a stance that might, say, influence how one votes.

[But the] biggest boon that scientific literacy can confer: the development of rational attitudes.

By this I mean the kind of healthy scepticism that asks for good evidence and good argument, that applies critical scrutiny to propositions or claims, that suspends judgement while the evidence is pending, and accepts what the evidence says once it has arrived, independently of prior wishes or partisan beliefs.


Amen.