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biology cats

Cats are manipulative little brats.

But we already knew this.

Cats ‘exploit’ humans by purring; apparently there is a particular sort of purr – or tone that can be put in a purr – that motivates humans to get moving and fill the food bowl because it’s just that annoying. It’s plausible, considering the “soliciting purr” does have similarities in frequency to a baby crying… and anyone that’s heard a baby cry knows that it’s one of the most annoying sounds in the world, and we’re just biologically programmed to do whatever it takes to make the awful noise stop. From the paper itself:

Embedded within the naturally low-pitched purr, we found a high frequency voiced component, reminiscent of a cry or meow, that was crucial in determining urgency and pleasantness ratings.

Now that is interesting. It’s even more interesting that it may well be a learned behavior, though that makes sense as well. Cats are quick to learn anything if it means they’ll get food or a treat. Meow in mom’s ear in the morning? Gets your thrown off the bed. Purr in the world’s most annoying fashion? Normally mom’s fair enough that a purr won’t make her mad.

I actually don’t think I’ve got personal experience with this “soliciting purr,” probably because I’ve got both my boys on a gravity feeder. Which would explain why they’re both chubbing up. In the future I may have to switch to rationing their food, so we’ll see if I get to hear the annoying uber-purr then. As things stand right now, when my bad kitty (Loki) wants me to get up, he does it by throwing things off the shelves, on to the floor. Or licking my eyelids. (I’m not making it up.) I think a manipulative purr would definitely be preferable.

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Uncategorized

By the way

The world didn’t end yesterday.

Next in big news: Sun STILL rising in the east!

Categories
awesome

A Klingon Christmas Carol

Seriously. Why can’t this be playing in Colorado? Curse you, Minnesota!!!!

“Klingons wouldn’t care if Scrooge wasn’t charitable and nice,” added Kidder. The tale, as it is told in the translated version is that of a Klingon who has no courage, nor honor: two virtues of Klingon society. “The spirits that visit Scrooge are all trying to help him become an honorable and courageous warrior.”

Categories
awesome

Will Phillips Is My Hero

You may not have heard about Will Phillips until now. I hadn’t either; this morning I was going through the Friendly Atheist RSS feed and saw this post that links to several video clips about him.

Will won’t stand up for the Pledge of Allegiance because:

“I’ve always tried to analyze things because I want to be lawyer,” Will said. “I really don’t feel that there’s currently liberty and justice for all.”

He’s taken a stand (by sitting down) about the way LGBT Americans are treated, and he’s gotten sent to the principal’s office over it. He’s faced a lot of loud hostility from his fellow students. And he’s not backing down.

Oh yeah, and he’s only ten years old.

So this is me adding my voice to all of Will’s supporters on the internet. You’re my hero, Will. You’re one smart, strong kid, and I can’t wait to see the name taking and ass-kicking you’ll be doing when you grow up.

Like most people who are no longer in the public school system, it’s been a long time since I’ve been put in a position where I’d have to say the Pledge of Allegiance. The last time that I can remember was at a city council meeting that I attended as part of an assignment for my basic political science class. On that occasion, I stood up for the Pledge, but I didn’t put my hand over my heart, and I sure didn’t say it. Like Will, I feel like there isn’t “liberty and justice for all” in the US right now. (Not that there really has been in the past.)

And I have the added utter contempt for the phrase “under God,” for its absolute hypocrisy when we live in a country with the separation of church and state enshrined in the constitution, for the disgusting stain of McCarthyism that has still not been expunged after fifty years, and for the hatred and attacks aimed at me and my fellow atheists by the people who like to point at that single stupid phrase to justify the lie that we’re a “Christian nation” and I should “love it or leave it.”

We adults don’t encounter the Pledge often, and I’m grateful for it. The whole thing makes me uncomfortable, because I don’t agree with the Pledge, and I don’t like the nationalist overtones. As an adult, you don’t have many opportunities to take issue with the Pledge (unless you’re in public office, maybe) other than writing cranky blog posts about it. It warms my heart that Will (and some other kids here and there across the country) are taking their chance to make their point, and strongly. If it gets other people of any age to think about what’s going on, it’s surely worth it.

Categories
biology climate change

A bouquet of Jellyfish and Algae

Jellyfish swarm northward in warming world

Harmful Algal Blooms – HABs

So, Japan is being invaded by swarms of jellyfish, and we’re being inundated with stinking, toxin oozing slime of the variety that doesn’t carry firearms to townhall meetings. The simple fact sheet on the algae doesn’t speculate as to cause, but the jellyfish are being pretty strongly linked to rising ocean temperatures.

Really, the jellyfish article is fascinating. I’m still trying to wrap my mind around the image of a fishing boat capsizing due to a net bulging with giant, alien-looking jellyfish.

Hm… I wonder if that means out the next bizarre theory about what took out the dinosaurs will be jellyfish… of DEATH. Or maybe the jellyfish are in cahoots with the algae. You never know.

Categories
feminism science-based medicine

More on the Boobies

What Orac has to say about the new USPSTF recommendations on breast cancer screening:

Whether the cost is worth it or not comes down to two levels. First and foremost, what matters is the woman being screened, what she values, and what her tolerance is for paying the price of screening at an earlier age, such as a high risk for overdiagnosis, excessive biopsies, and overtreatment in order to detect cancer earlier and a relatively low probability of avoiding death from breast cancer because of screening. Then there’s the policy level, where we as a society have to decide what tradeoffs we’re willing to make to save a life that otherwise would have been lost to breast cancer. Although screening programs and recommendations should be based on the best science we currently have, deciding upon the actual cutoffs of who is and is not screened and how often unavoidably involves value judgments.

That’s putting it well. Somewhere in the comments on the post, he also states that he wishes the whole “anxiety” thing weren’t being so generally overplayed. That I agree with as well, since it’s the thing that many women have grabbed on to, and it also the source of the accusations that the recommendations are “patronizing.” Considering that the detrimental effect of anxiety is not being played up in the recommendations, but rather that’s coming from the reporting, I think it’d be more fair to say that the press is being patronizing. Which isn’t a surprise for anyone.

Anyway, a good post. And unlike me, Orac knows what he’s talking about. His second post on the subject is also very worth reading.

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links

A plethora of nifty links

Many cool things that require little comment today.

Eric Lusito – After the Wall: Traces of the Soviet Empire. Link via io9. Haunting pictures of the modern, skeletal remains of Soviet Russia.

Dwarf Goat More Reptile Than Mammal. They apparently were doing just fine in their little evolutionary niche… until they ran in to us. That’s what they get for tasting so good.

Crocodile Gets F***ed Up by Angry Hippos. Not the real title of the article, but accurate. And scary. Really scary. I will never forgive Disney for their lies in the original Fantasia.

Many scientific experts say using Mayan end-is-near calendar is off base. Just another good anti-2012 nonsense article. And I linked to it because I’m an unabashed Phil Plait fangirl.

The Going Rogue Index. The unauthorized index of Sarah Palin’s book by Slate. It made me giggle. And the single sentence from the book they included certainly made me feel better about myself as a writer. I still wish that woman would just go away, though.

Categories
feminism science-based medicine

Everyone’s favorite: Boobies.

From Skepchick: No, Ladies, the New Breast Cancer Guidelines Aren’t Patronizing

I mean, not a lot for me to say here. I agree. The guidelines aren’t patronizing. From the AP article about this:

“Overall, I think it really took courage for them to do this,” she said. “It does ask us as doctors to change what we do and how we communicate with patients. That’s no small undertaking.”

Considering the reaction that this is getting, courage is a fairly reasonable word to use. I did go look over the recommendations myself, just to see what kind of impression I got. It certainly wasn’t patronizing or patriarchal. I tend to think of myself as a woman with a big feminist chip on her shoulder, but the reaction to the recommendations has just left me stunned.

I think the issue is over the use of the word “anxiety.” As in, the panel that came to these conclusions feels that earlier screening causes a lot of unnecessary anxiety to go with the false positives and unnecessary biopsies. Perhaps the women who have latched on to the word “anxiety” are probably imagining an avuncular stand-in-for-the-patriarchy sort of doctor, telling us to not worry our pretty little heads over things, because anxiety causes wrinkles. While I think the assumption is understandable***, and perhaps the use of “anxiety” could be a bit better explained, the women who are saying bitter, nasty things about the patriarchy need to chill the hell out. The anxiety we’re talking about here is the soul-crushing, sleep-killing fear that comes with a false diagnosis or (even worse) a false positive off of a biopsy. Fear and anxiety like that could significantly affect the health of the person feeling it, particularly when we’re talking about an age group that’s moving in to the chronic conditions of later life (e.g. hypertension) that can be severely exacerbated by stress.

Another quote from the AP article:

“The task force advice is based on its conclusion that screening 1,300 women in their 50s to save one life is worth it, but that screening 1,900 women in their 40s to save a life is not, Brawley wrote.

On its face, I almost agreed with this quote before I sat down and really thought about the anxiety question. If there are negative effects and even mortality associated with the added stress of breast cancer screening, and if those negative effects mean that more women of this hypothetical 1900 suffer and die than the one woman who is saved… then yes. The numbers would say that it’s more beneficial for the population to stop the screening. If you’re that one woman in your 40s, that’s not a lot of comfort, though – and that’s how these things tend to work. (Very similar to vaccinations… it’s not comforting if you’re the 1 in a million that has a rare adverse reaction to the vaccination, but ultimately more people are saved when the population is vaccinated.)

The real stunner for me was the recommendation in regards to breast self-examination. I grew up in a time when that was really big. When I lived with my parents, my mom always had a card hanging from the shower head on how to do the self-exam. And recently, I also read The Cancer Journals by Audre Lorde. While there are many things in that book I disagreed with Lorde about (particularly her stance on alternative treatments) I was right there with her on the importance of exams. From what the report says, the practice apparently just doesn’t have enough efficacy and carries too many of the anxiety/false positive risk factors. Still, I have a hard time just letting the self-exam go as easily as the idea of having my boobs smashed wafer-thin between two plates of glass. In many ways, I think the self-exam has become a little ritual women do to ward off the specter of breast cancer – and if the recommendations are true, it’s about as effective as throwing salt over your shoulder to ward off bad luck.

*** Consider, for example, the way women are both demonized and patronized in regards to abortion. Laws that require women to view ultrasounds, or have multiple consultations, are certainly patronizing since the implicit assumption is that we’re incapable of understanding what an abortion functionally does.

Categories
Uncategorized

BIFs are BFFs

Short and sweet, since I’m trying to work on my grad school application today. I’ve gotten to the most terrifying part – the “statement of purpose.”

Banded Iron Formations: A New Depositional Model

I don’t personally know that much about banded iron formations (BIFs); we talked about them a little in geochemistry. They’re basically very old rocks (between 1.7 and 3.8 billion years old) that show a very distinctive banding of iron rich and iron deficient layers. There’s been a lot of debate about how they might have formed, so the new possible model is interesting. If nothing else, BIFs tell us something very important, just like the old komatiites we can still find, namely that you can’t find any younger than 1.7 billion years. That means around that time, something big changed in the Earth’s geochemistry, as well as in its internal heating system. (Or really, several interconnected somethings.) I’m looking forward to when we know what exactly the change was, because that has a lot of implications in regards to how planets like ours form and change over time.

Categories
grad school zomg

ZOMG SQUEE

I finally got off my behind and started e-mailing faculty in regards to grad school. And the professor that I most desperately want to work with just let me know that she’s currently got an application pending for NSF funding for a project which – if it gets funded – is EXACTLY what I want to work on. And that IF it gets funded, she will need a student who is interested in working on that project and getting a thesis out of it.

OMGOMGOMG WHY AM I IN CLASS RIGHT NOW SO I HAVE TO SIT STILL AND CAN’T RUN AROUND IN CIRCLES AND SHRIEK?????

Breathe, girl. Remember to breathe…

(I think this calls for nightly funding rain dances. Pleasepleaseplease keep your fingers crossed for me!)