Tuesday, September 30, 2008

Frederic Bastiat Quotation (1850)

Frederic Bastiat's cogent analysis of importance of the things that are not seen in world of economics...

In the department of economy, an act, a habit, an institution, a law, gives birth not only to an effect, but to a series of effects. Of these effects, the first only is immediate; it manifests itself simultaneously with its cause ‐ it is seen. The others unfold in succession -- they are not seen: it is well for us, if they are foreseen. Between a good and a bad economist this constitutes the whole difference -- the one takes account of the visible effect; the other takes account both of the effects which are seen, and also of those which it is necessary to foresee. Now this difference is enormous, for it almost always happens that when the immediate consequence is favourable, the ultimate consequences are fatal, and the converse. Hence it follows that the bad economist pursues a small present good, which will be followed by a great evil to come, while the true economist pursues a great good to come, at the risk of a small present evil.

...... Bastiat, That Which is Seen, and That Which is Not Seen, 1850

gardening stuff...

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url on Nervous System

http://faculty.washington.edu/chudler/chgames.html


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Friday, September 26, 2008

Mom's antibiotic and child's palsy

<b>Mom antibiotic link to child palsy</b>
(From Telegraph)

New Delhi, Sept. 18: Antibiotics do not help women with signs of
premature labour whose waters have not broken, but increase the risk of
cerebral palsy in their children, a study has found.

The 14-country trial — the world's largest medical study on the use of
antibiotics in premature labour — was led by a team at Leicester
University, the UK, and involved a seven-year follow-up of more than
8,000 children.

It found that the proportion of children with cerebral palsy, a
neurological condition that disrupts physical movements, was higher
among women who had received erythromycin than among those who did not —
3.3 per cent versus 1.7 per cent.

Mothers given an antibiotic called co-amoxiclav also had a higher
proportion of children with cerebral palsy than those who did not get
this antibiotic — 3.2 per cent compared with 1.9 per cent.

Doctors and health authorities, however, have stressed that pregnant
women should not feel concerned about taking antibiotics to treat
infections. "Antibiotics must definitely be given when there is an
infection," said Sara Kenyon, a researcher at Leicester and co-ordinator
of the trial.

"Antibiotics save lives, and pregnant women with possible or obvious
infections must be considered for treatment with antibiotics," the UK
department of health said in a letter circulated to doctors and
pharmacists across the UK this week.

The findings will be relevant to India where there is evidence of
irrational prescription of antibiotics, said a senior doctor in New
Delhi.

Bisphenol A, drinking water bottles

http://www.npr.org/templates/story/story.php?storyId=94680753
<img src="http://media.npr.org/programs/day/features/2008/sept/bpa/bpa200.jpg"></img>

Thanks to Ch.Ma for link.
/A

Thursday, September 18, 2008

www.dimdima.com - September Newsletter

Bhavan's

September 2008

Vol 9 No 8

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Brainteaser

If 5 cats take 5 minutes to eat 5 rats, then how many minutes would it take 1 cat to eat 1 rat?

Ans. 5 minutes.

 Sahil Parekh, IX A, Bhavan's S.L. Public School, Punjab

Who Am I?
My friend is the moon
I am hot at noon
But the moon is cold.
I shine like gold
Tell, Who am  I?
Ans: Sun

Joke
Mum: Horace, Why are you crying?
Horace: I have hurt my finger, Mum.
Mum: When did that happen?
Horace: Half an hour ago.
Mum: I did not hear you crying then.
Horace: No, I thought you had gone out.

Thomas Tomy,VIII C,
Bhavan's Adarsha Vidyalaya,
Kerala

Jayanth, VII B,
 Johnson Grammar School,
Andhra Pradesh

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Monday, September 1, 2008

"Cattywampus"

Best Teacher I Ever Had
by David Owen
Extracted from Reader's Digest (Asian Edition), April 1991, pp. 47-48.

Mr. Whitson taught sixth-grade science. On the first day of class, he
gave us a lecture about a creature called the cattywampus, an
ill-adapted nocturnal animal that was wiped out during the Ice Age. He
passed around a skull as he talked. We all took notes and later had a
quiz.

When he returned my paper, I was shocked. There was a big red X through
each of my answers. I had failed. There had to be some mistake! I had
written down exactly what Mr. Whitson said. Then I realized that
everyone in the class had failed. What had happened?

Very simple, Mr. Whitson explained. He had made up all the stuff about
the cattywampus. There had never been any such animal. The information
in our notes was, therefore, incorrect. Did we expect credit for
incorrect answers?

Needless to say, we were outraged. What kind of test was this? And what
kind of teacher?

We should have figured it out, Mr. Whitson said. After all, at the every
moment he was passing around the cattywampus skull (in truth, a cat's),
hadn't he been telling us that no trace of the animal remained? He had
described its amazing night vision, the color of its fur and any number
of other facts he couldn't have known. He had given the animal a
ridiculous name, and we still hadn't been suspicious. The zeroes on our
papers would be recorded in his grade book, he said. And they were.

Mr. Whitson said he hoped we would learn something from this experience.
Teachers and textbooks are not infallable. In fact, no one is. He told
us not to let our minds go to sleep, and to speak up if we ever thought
he or the textbook was wrong.

Every class was an adventure with Mr. Whitson. I can still remember some
science periods almost from beginning to end. On day he told us that his
Volkswagon was a living organism. It took us two full days to put
together a refutation he would accept. He didn't let us off the hook
until we had proved not only that we knew what an organism was but also
that we had the fortitude to stand up for the truth.

We carried our brand-new skepticism into all our classes. This caused
problems for the other teachers, who weren't used to being challenged.
Our history teacher would be lecturing about something, and then there
would be clearings of the throat and someone would say 'cattywampus.'

If I'm ever asked to propose a solution to the problems in our schools,
it will be Mr. Whitson. I haven't made any great scientific discoveries,
but Mr. Whitson's class gave me and my classmates something just as
important: the courage to look people in the eye and tell them they are
wrong. He also showed us that you can fun doing it.

Not everyone sees the value in this. I once told an elementary school
teacher about Mr. Whitson. The teacher was appalled. "He shouldn't have
tricked you like that," he said. I looked that teacher right in the eye
and told him that he was wrong.

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