Showing posts with label science. Show all posts
Showing posts with label science. Show all posts

Tuesday, May 5, 2009

XKCD: Swine Flu


One of the frustrating things about Swine Flu, other than people's blatant ignorance, is the amount of dedication our media and government have provided to this outbreak.

Recently, for my research, I have started to look at the correlation between TB and HIV. TB has been on the rise since 1980s, but this problem is more prevalent in Southeast Asia, and Africa. That is why we don't really care how it has become a major cause of death among HIV patients in Africa.

Usually when doctors misdiagnose a TB patient, or when the patient does not have the money to follow the dosing regimen properly, the bacteria becomes more deadly. HIV patients who come in contact with the deadly TB normally end up dying, since their immune system is already compromised. Basically, all because we do not have the means to educate the doctors, or the patients properly. And, I find that disappointing and gut-wrenchingly depressing.

Saturday, April 11, 2009

Running To Stand Still

There are two reasons why I am so impatient about finding the one.

One, I feel the longer it takes me to find him, the fewer years we will have together. I don't want us to only have 40 to 50 years together. I am greedy. I want more than that. I want as many years/decades as we can possibly get together.

Two, I have been wanting to have kids since high school.

I don't know about you, but I am still of the opinion that love is, and should be simple. You meet the person. You fall in love. You get married. Maybe this makes me naive, and/or very old school. My best friend thinks you need a good story for your kids, and grandkids. Just saying, "you met, and fell in love" does not sound exciting.

But, I find myself getting drawn to the simplicity of love. No drama. No stupid chase. Just simple, upfront, blunt love.

Charles Darwin made a list of the reasons why he should and shouldn't marry his wife. Ross, on "Friends", did something similar, and almost lost Rachel because of it. I also have a table with columns and everything consisting of guys I have encountered, and the reasons why it didn't work out. My best friend suggested that the list would provide me with some sort of perspective about what is that I am actually looking for. Plus, she suggested that when I finally meet the guy I can show the list to him, and it would provide him an ego boost, which, trust me, he would need after marrying me.

But, I guess the hard part is recognizing "the one" when he finally does show up. Scientists say the trick is not to be fooled by the surging dopamine levels, and instead let oxytocin do all the deciding. Dopamine is a feel good hormone which causes a heightened response to the outside world. You know when you meet someone for the first time, and you get the butterflies? Well, all of that happens because of dopamine. The initial infatuation is also due to dopamine.

Whereas, oxytocin, which is also called the love hormone, is a good marker of our true everlasting feelings. It is released when the mothers and babies first bond. It is also found during intense emotional situations. It increases intimacy, and helps in building trust. It is released when a couple eats together, and looks into each other's eyes. No wonder, Picasso never neglected to draw a woman's eyes.

So, I guess, dopamine is necessary for building chemistry and the initial attraction, but oxytocin is what we need to form an everlasting bond. I don't know if this discussion of the two hormones contradicts my theory about love being simple. Or, should we wait for dopamine to wear-off so oxytocin can do its magic? Or, when I look out my window at the beautiful full moon, and think that it would be nice to share the beauty with the one; does this wish have anything to do with either of the two hormones? Or, is it just me being a sad insomniac?

Monday, February 23, 2009

The Eligible-Bachelor Paradox


The Eligible-Bachelor Paradox

How economics and game theory explain the shortage of available, appealing men.

By Mark Gimein

It is a truth universally acknowledged that the available, sociable, and genuinely attractive man is a character highly in demand in social settings. Dinner hosts are always looking for the man who fits all the criteria. When they don't find him (often), they throw up their hands and settle for the sociable but unattractive, the attractive but unsociable, and, as a last resort, for the merely available.

The shortage of appealing men is a century-plus-old commonplace of the society melodrama. The shortage—or—more exactly, the perception of a shortage—becomes evident as you hit your late 20s and more acute as you wander into the 30s. Some men explain their social fortune by believing they've become more attractive with age; many women prefer the far likelier explanation that male faults have become easier to overlook.

The problem of the eligible bachelor is one of the great riddles of social life. Shouldn't there be about as many highly eligible and appealing men as there are attractive, eligible women?

Actually, no—and here's why. Consider the classic version of the marriage proposal: A woman makes it known that she is open to a proposal, the man proposes, and the woman chooses to say yes or no. The structure of the proposal is not, "I choose you." It is, "Will you choose me?" A woman chooses to receive the question and chooses again once the question is asked.

The idea of the woman choosing expressed in the proposal is a resilient one. The woman picking among suitors is a rarely reversed archetype of romantic love that you'll find everywhere from Jane Austen to Desperate Housewives. Or take any comic wedding scene: Invariably, it'll have the man standing dazed at the altar, wondering just how it is he got there.

Obviously, this is simplified—in contemporary life, both sides get plenty of chances to be selective. But as a rough-and-ready model, it's not bad, and it contains a solution to the Eligible-Bachelor Paradox.

You can think of this traditional concept of the search for marriage partners as a kind of an auction. In this auction, some women will be more confident of their prospects, others less so. In game-theory terms, you would call the first group "strong bidders" and the second "weak bidders." Your first thought might be that the "strong bidders"—women who (whether because of looks, social ability, or any other reason) are conventionally deemed more of a catch—would consistently win this kind of auction.

But this is not true. In fact, game theory predicts, and empirical studies of auctions bear out, that auctions will often be won by "weak" bidders, who know that they can be outbid and so bid more aggressively, while the "strong" bidders will hold out for a really great deal. You can find a technical discussion of this here. (Be warned: "Bidding Behavior in Asymmetric Auctions" is not for everyone, and I certainly won't claim to have a handle on all the math.) But you can also see how this works intuitively if you just consider that with a lot at stake in getting it right in one shot, it's the women who are confident that they are holding a strong hand who are likely to hold out and wait for the perfect prospect.

This is how you come to the Eligible-Bachelor Paradox, which is no longer so paradoxical. The pool of appealing men shrinks as many are married off and taken out of the game, leaving a disproportionate number of men who are notably imperfect (perhaps they are short, socially awkward, underemployed). And at the same time, you get a pool of women weighted toward the attractive, desirable "strong bidders."

Where have all the most appealing men gone? Married young, most of them—and sometimes to women whose most salient characteristic was not their beauty, or passion, or intellect, but their decisiveness.

Evolutionary psychologists will remind us that there's a long line of writing about "female choosiness" going back to Darwin and the male peacocks competing to get noticed by "choosy" mates with their splendid plumage. But you don't have to buy that kind of reductive biological explanation (I don't) to see the force of the "women choose" model. You only have to accept that for whatever socially constructed reason, the choice of getting married is one in which the woman is usually the key player. It might be the man who's supposed to ask the official, down-on-the-knee question, but it usually comes after a woman has made the central decision. Of course, in this, as in all matters of love, your experience may vary.

There may be those who look at this and try to derive some sort of prescription, about when to "bid," when to hold out, and when (as this Atlantic story urges) to "settle." If you're inclined to do that, approach with care. Game theory deals with how best to win the prize, but it works only when you can decide what's worth winning.

Found here.

Also check out: "The Case for Mr. Not-Quite-Right." Needless to say, my Momma Bennet of a mother really enjoyed these articles :).

Saturday, February 14, 2009

It's all about sharing...


I am glad, I have something to show for my math minor :).

Friday, February 13, 2009

124155 + 100485

Mathematical Aphrodisiac

by Alex Galt

In the days when John and I used to break up all the time, we made a decision to see each other only casually. Dates were okay, but no more than once a week. We were going to lead separate lives, getting together occasionally when the spirit moved us, but without worrying about commitment.

One day at the beginning of this period, we were sitting together on the floor of John’s one-room apartment. He was knitting himself a sweater and I was reading Fermat’s Last Theorem. Every now and then, I’d interrupt his knitting to read him passages from my book.

“Did you ever hear of amicable numbers? They’re like perfect numbers, but instead of being the sum of their own divisors, they’re the sum of each others divisors. In the Middle Ages people used to carve amicable numbers into pieces of fruit. They’d eat the first piece themselves and then feed the other one to their lover. It was a mathematical aphrodisiac. I love that – a mathematical aphrodisiac.” John showed little interest. He doesn’t like math much. Not like I do. It was one more reason for us to be casual.

Christmas fell during this period, and since I hate to shop, I was glad to be able to cross John off my shopping list. We were too casual for presents. While I was shopping for my grandmother, however, I saw a cryptic crossword puzzle book and bought it for John. We had always worked on the cryptic crossword puzzles at the back of The Nation, and for five bucks I figured I could give it to him.

When Christmas rolled around, I handed John the book – unwrapped, very casual. He didn’t give me anything at all. I wasn’t surprised, but my feelings were a little hurt, even though I wasn’t supposed to care. The next day, John invited me over to his apartment. “I have your Christmas present” he said. “Sorry it’s late.”

He handed me an awkwardly wrapped bundle. When I pulled it open, a rectangle of hand-knit fabric fell on my lap. I picked it up and looked at it, completely confused. One side had the number 124,155 knitted into it; the other side had 100,485. When I looked up at John again, he was barely able to contain his excitement anymore. “They’re amicable numbers,” he said. “I wrote a computer program and let it run for twelve hours. These were the biggest ones I found, and then I double-knit them in. It’s a pot holder. I couldn’t give it to you last night but I still haven’t figured out how to cast off. It’s kind of geeky, but I thought you might like it.”

After that Christmas, we were a lot of things, but we weren’t casual anymore. The ancient mathematical aphrodisiac had worked again.

HAPPY "SINGLES AWARENESS DAY", everyone!

Friday, January 30, 2009

Apple & Sudoku Know Best


Apple Introduces Revolutionary New Laptop With No Keyboard

iPhone Day!

Sunday, December 7, 2008

Happy Carcass Day

Otherwise known as Eid ul Adha. In the Islamic lunar calendar we have two Eids (Christmas like festivals). Just in case you mess up on the gifts the first time around, you can make up for it on the second Eid. See, for instance, my friend didn't get anything for his girlfriend on the first Eid, which enraged her, as she had gone all out for his present. So, this Eid (I almost wrote Christmas) he got her three presents, and during the economic crisis too. So that ought to count for something.

Out of the two Eids, the second one, the one today, is my least favourite. The reason I call it a Carcass Holiday, because this Eid is a nightmare for non-meat-eaters, such as yours truly. See, on this Eid, raw meat is distributed among the poor and relatives. A portion of the meat is kept and cooked for big family feasts. Therefore, there are hardly any vegetarian options at these extravagant dinners.

So if you love meat and love food, I would strongly recommend you to find yourself a Muslim buddy, just like Bart Simpson, and indulge in the meaty goodness that this holiday promises.

If you have no idea why I just name-dropped Bart Simpson to legitimatize this Muslim holiday, I am talking about the Simpsons episode called "Mypods and Boomsticks". Here are a few clips from the episode (the only ones I could find on YouTube) to get you all caught up:





On his way home from the mall, narrowly escaping being attacked by the "phonies", Bart gets allured by the BBQ smell, coming from someone's backyard. He goes in to find a Muslim boy, Bashir, bbqing lamb. He loves the exotic cuisine, and befriends Bashir. But, then Moe et al fill up Homer's head with Islamophobic comments, and Homer suspects that Bashir's parents are terrorists.

The episode ends off with the following message:


Now that I have outted Muslims for loving meat, I hope PETA people don't turn into the Eid Grinch.

In all seriousness, this holiday is not that bad. There are opportunities for people to provide meals for orphans in impoverished villages around the world. So these poor children can also be a part of the holiday festivities.

Wednesday, November 26, 2008

Mirror Mirror, who's the fairest of them all?

Imagine a species that can challenge our claim of being the ONE and ONLY species of the Highest Order.

What does that species look like?
Does it look like us?
Or does it look something like E.T., a friendly alien from Steven Spielberg's movie E.T., with inflated and elongated head and protruding eyes?
Or does it look more beautiful than us?

A recent discussion with my sister got me thinking that as humans we are very resourceful, creative, and generous when it comes to giving ugly attributes to say a friendly alien, or a mutant. But unfortunately we cannot imagine a single biped, extraterristial or earthly, which is better looking than us.

Thomas Huxley, a 19th century anatomist, pointed out, only egocentric species, such as humans, could deny having similar anatomical traits as primates. Maybe if our closest genetic relatives, chimpanzees and orangutans, were LESS hairy and a bit MORE "attractive", naysayers would be more than willing to accept the reality of evolution.

Also, if you look at computer generated images of our early ancestors, they look less attractive than us. The most recently discovered ancestors of ours, Homo floresiensis, were nicknamed Hobbit by the popular media. Maybe there is some pleasure involved in outgrowing one's ancestors, but that is hardly a politically correct way of referring to our genetic progenitors.

In science fictional accounts, aliens are either less attractive than us, or they take our anthropomorphic forms. We often hear that our imagination is limitless, but my imagination fails me to come up with a species (earthly or martian), which trumps our attractiveness. I am not talking about enhancing our own human characteristics, or eugenics. I am referring to our collective high self-regard, and limited creativity, which fails us in imagining a bipedal species which is better looking than us.

A couple of weeks ago, evolutionary biologist Olivia Judson in her blog entry "Wanted: Intelligent Aliens, for a Research Project" pointed out, humans usually rate themselves high when it comes to being more attractive, funny, intelligent, and reckon themselves to be below average when it comes to "bad" traits such as, racism, dishonesty, and so on. So our personal bias dictates that we are far more intelligent and attractive [1]; and far less dishonest than we actually are. Maybe it is this personal bias that stops us from imagining a species far more attractive than us.

Here is my favourite paragraph from the aforementioned article:

"Moreover, in our assessments of other animals, we are consistently surprised. My favorite example of this comes from a headline in Nature a few years ago that announced that 'sheep are not so stupid after all.' The reason for the re-evaluation of ovine intelligence was a series of elegant experiments that showed that sheep can recognize and remember other sheep. But sheep are social animals: they live in flocks. It would be astonishing if they could not do this. (A sheep newspaper would no doubt have run the headline, 'Humans Amazed Again!')"

[1] However, most people I know underestimate their looks.

The following video shows that our concept of beauty, just like everything else in this world, revolves around us. Accentuate a couple of facial features, make them symmetrical and voila you're beautiful.
"No wonder our perception of beauty is distorted."

Sunday, October 19, 2008

Ever After

Marriage means different things to different people.

For some it is just practical. Two people with similar values coming together to build a life together. They don’t have any romantic expectations from each other. They find romance in the institution of marriage, and in the idea of planning a wedding, picking out the dress, the flowers, the venue, you know the whole shindig. The couple’s primary expectation from each other is simple and very vague, they want to look after each other (hopefully), and get busy right away.

In a culture, where your success depends on your marital status (apparently South Asians took the principles of evolution* a little too seriously) what are the singletons supposed to do? If someone has been out in the market for a while, people wonder why they are still single, wonder if there’s something seriously wrong with them.

During the dating process, there’s always this excitement and hope of meeting someone special, dare I say better. Better here is very subjective. But once you agree to tie the knot, you are also agreeing to give up on that fantasy. I know there is a possibility of your future spouse superseding your expectations, and actually appreciating, and loving you more than you ever imagined it was possible. But, sometimes fiction is so much better than the actual reality. The dream of being in a relationship, where you have the perfect combination of chemistry and compatibility, is very hard to actually have in the real life. So personally, I rather take my time now to make sure I don’t spend the rest of my life wondering what could have happened had I waited a bit longer. I don't want to rush into something that is merely A-OK, and not excellent. In the meantime, the idea and the hope of that special someone is more than enough, at least for now :D.

If a guy needs to impress a girl, he doesn’t need a flashy car or oodles of cash, there are so many other formidable traits that are far more important, such as a good sense of humour. I will take Andy Samberg any day over Mark Wahlberg.



A psychological study, conducted at McMaster University showed, the female participants preferred a witty guy over a hunkilicious empty vessel. Men, who participated, in the study, also gave the same feedback. But their definition of a funny woman was someone with the sense of humour to appreciate their hilarity. (Men, always thinking about themselves *shakes head*)

So we have already established what women want, let's turn to our good friend Darwin to figure out what men are looking for. Men dig symmetry. Men are drawn to symmetrical features, as they are indicative of healthy genes, and fecundity. No wonder it is so important for us ladies to make sure our eyebrows are matching :P (Great, I so don’t stand a chance now; thanks to my new eyebrow lady). Sexy symmetrical bodies help men in gauging reproductive health of their potential mate, and informing them whether the mating between the two would make them evolutionary fit, resulting in several healthy offspring.

I know in real life things are different, and a lot more complicated; we are all looking for a combination of different traits.

* In evolution an organism that leaves behind the most number of long living offspring is considered successful or fit.

Saturday, October 11, 2008

Autumn Hues

Here's something for you guys, when you are out and about admiring the beautiful autumn hues, and wondering what brings about the leaves to change their colour.

It has been hypothesized, shorter days and chillier nights cause the leaves to change colour. The yellow colour appears when chlorophyll (responsible of the green colour) breaks down in aging leaves. The orange colour appears if newly produced red pigments aren't dominant yet, and the pigment is blended with the revealed yellow. Leaves eventually turn red, so they can repel egg laying bugs or guard nutrients from sun damage so the tree can retrieve them for future use.

Moreover, climate change hasn't been too kind on foliage, as autumn is getting warmer and drier. Drought causes leaves to turn brown and drop off early. Whereas, cloudy days slow down the creation of red pigment, resulting in more yellow leaves.

I just looked out the window at my cherry tree, majority of the leaves are still green, and a small number have turned yellow. Whereas, mulberry, pear, apple and peach trees are still very green. (Yes, I live in a farmhouse :D). The cherry tree gets more sunlight compared to the rest of them so maybe that's why its leaves are turning yellow first. Plus the cherry tree is the first to blossom too. Hmm, maybe I should have paid more attention in Ecology.

Sorry for boring you guys with these facts, which you probably already knew from before.

Source: October's National Geographic

Tuesday, September 16, 2008

Quotes of the Day

*and my two cents.

Fabiola Gianotti, a project leader on CERN’s particle-accelerator experiment that was successfully initiated on Sept. 10 outside Geneva, and will eventually re-create the conditions just after the Big Bang:
“I think we may have to rewrite our textbooks.”
*Why do I have a feeling Al Gore wouldn’t be too happy about this.

Warrant Buffett, billionaire investor, on the economic crisis after Lehman Brothers announced it will file for bankruptcy:
“Let’s recognize that this is a once-in-a-half-century, probably once-in-a-century type of event.”
*OMG, so our economic crisis makes us special! That makes me feel so much better. Thanks, Buffett the richest man in the world.

Jeannine Wikering, after placing third at the European pole-dancing championships:
“I think one day it should be an Olympic sport – but that will take time.”
*Yeah, only if the Olympics are being held in Amsterdam.

Condoleezza Rice, the US Secretary of State, during a peacemaking visit with Libyan leader Moammar Gadhafi in Tripoli. Washington cut off diplomatic relations with Libya after a mob sacked and burned the American Embassy in 1979:
“The United States, I’ve said many times, doesn’t have any permanent enemies.”
*In the U.S. of A, we like to change it up. We like variety. So how soon can we get our hands on your oil, Gadhafi?

Tuesday, July 29, 2008

Not so green after all

Here is a list of 10 things that contrary to popular belief are actually not bad for us.