Ocean acidification and poison seas

CO2 and phosphate availability control the toxicity of the harmful bloom dinoflagellate Karlodinium veneficum

I have commented here before that additional CO2 in the ocean may make some algae grow better, but my guess was that algal blooms are not necessarily something you want to encourage. The article above indicates that this is true, especially for toxin producing algae:

Growth rates or toxicity of K. veneficum could increase substantially in the future with high CO₂ levels in the ocean, depending on P availability, and so interactions between rising CO₂ and eutrophication could cause major shifts in present day patterns of harmful algal toxin production. These results suggest that over the coming decades, rising CO₂ could substantially increase karlotoxin damage to food webs in the often P-limited estuaries where Karlodinium blooms occur.

Eutrophication is additional nutrients in the water, typically from coastal run off. In other words, it would appear that coastal areas near cities that already have occasional toxic algal blooms can expect it to get worse with more CO2 in future.

Here's a good Australian article by a Tasmanian professor on the expected increase in harmful algal blooms. The conclusion:

We can expect: (1) Range expansion of warm-water species at the expense of coldwater species which are driven pole wards; (2) Changes in the abundance and seasonal window of growth of selected HAB species; (3) Earlier timing of peak production of some phytoplankton; (4) Knock-on effects for marine food webs, notably when individual zooplankton and fish grazers are differentially impacted by climate change (“match-mismatch” disturbances). Some harmful algal bloom phenomena (e.g. toxic dinoflagellates benefiting from land runoff and/or water column stratification, tropical benthic dinoflagellates responding to coral reef disturbance) may become worse, while others may diminish in areas currently impacted. The greatest problems for human society will be caused by being unprepared for significant range extensions or the increase of algal biotoxin problems in currently poorly monitored areas, thus calling for increased vigilance in seafood biotoxin monitoring programmes. Predicting the impact of climate change on algal blooms presents a formidable challenge!

Stem cells and snake oil

UK - Stem Cells & Miracles - Foreign Correspondent - ABC

There was an excellent BBC Panorama show on the ABC last night on the fetal stem cell therapy being promoted by shonky doctors and money making clinics in China and other countries.

The interview towards the end with the doctor who was secretly filmed during a high pressure consultation is especially worth watching. The only way he could have sold his therapy harder would be if he had said "you have to take the injection now, right now, as I have another patient outside who'll buy them if you don't."

Suburban failure

From bucolic bliss to 'gated ghetto' - latimes.com

In this story of a new estate near Los Angeles which has suffered badly from the recent financial woes comes this surprising claim:

There are dozens of places like Willowalk, and they are turning into America's newest slums, says Christopher Leinberger, a visiting fellow at the Brookings Institution. With home values at a fraction of their peak, he said, it no longer makes sense to live so far from the commercial centers where jobs are concentrated.

"We built too much of the wrong product in the wrong locations," Leinberger said.

Thanks to overbuilding, demographic changes and shifts in preferences, by 2030 there could be 25 million more suburban homes on large lots than are needed, said Arthur C. Nelson of the University of Utah. Nelson believes that as baby boomers age and as younger generations buy real estate, the population will abandon remote McMansions for smaller homes closer to shops, jobs and the other necessities of life.

A family that bought a house there in 2006 has seen its value drop dramatically:

The Lopez family plans to stick it out, knowing they can't sell their house for anywhere near the $440,000 they paid for it. Based on comparable prices in the neighborhood, the place is probably worth about $170,000 now, and maybe less. They're petitioning their bank for a loan modification.

There was someone on Radio National Breakfast this morning making the same point: a lot of America's housing crisis has been caused by building the wrong type of houses in the wrong locations.

I see his name was Jeb Brugmann, and he also noted that Australia seems to lack the wide range of urban housing that people find attractive in famous cities. I think he's right.

An unlikely solution

Bright water proposal to cut global warming

Harvard University scientist Russel Seitz’s proposal is to use ships to pump tiny “microbubbles,” about 0.05 mm in diameter, into the sea as they travel, in a strategy he terms “Bright Water”. Seitz said the bubbles would, in effect, act as tiny mirrors containing air, and could be created by mixing water supercharged with compressed air with swirling jets of water. This would emulate and amplify a naturally occurring phenomenon.

Using computer modeling, Seitz discovered that a concentration of only one part per million of microbubbles can double the reflectivity of water, and could cool Earth by up to 3°C if the system could be deployed. Adding microbubbles to a square kilometer of ocean is feasible, but Seitz admitted that scaling it to cover an entire ocean would be technically difficult, not because of the energy requirement, which he said would be equivalent to about 1000 windmills, but because of the fact that the bubbles may not last long enough to effectively spread over large areas.

I'm not even sure I should have blogged this, the idea sounds so silly.

Gypsy stories

Four Corners - 29/03/2010: Gypsy Child Thieves

Four Corners had an interesting BBC documentary tonight about the urban gypsies of Europe. It's amazing that their situation seems to change so slowly over time.

The first section was about a Gypsy camp near Madrid, and the conditions were extremely third world, especially for the children. The ineffectiveness of the Spanish government social services in dealing with child thieves the police bring to them was almost laughable.

The fact that fathers get good money for marrying off their 13 year old daughters got a mention too.

I didn't really get to watch the rest of the show carefully, although I did catch some of the segment in Italy, where some charity was making a difference, but a right wing Italian noted that they deserved to killed, and seemingly felt it was a pity that that would be illegal now!

Firefox issue

For those of you using Firefox on an XP computer, have you noticed it slowing down? Over the weekend, I checked and the amount of CPU it is taking up was just continually fluctuating, often up to the 90% range.

It appears to be a problem with the latest version (3.6.2), although I also had the same problem in the 3.6 version before I updated it. I see that people have been complaining about it since 3.5 too.

The specific thread on Mozilla on the problem with 3.6.2 has been marked as "solved", but the answer it refers to is no such thing.

This page talks about the problem generally, but I am bit puzzled why it has only come to light on my computer now.

UPDATE: I seem to have solved the problem by updating both Flash and Java, as some website suggested.

I am tempted to try Chrome now though, as I understand it is starting to provide extensions.

Rare medical condition noted

Schizophrenia in Children: Families Grapple With Costs, Emotional and Financial - ABC News

Tonight I happened to see the ABC news magazine show 20/20 featuring 3 American families with children with schizophrenia.

I knew schizophrenia most commonly was a young adult onset disease; it had never really occurred to me before that there would be some cases of young children suffering with it.

What a horrible disease for parents to face in a child. Oddly, all three featured in this show were girls. I would have expected it to be more common in boys. (Certainly, the average onset age for men is considerably younger than for women.)

It certainly makes for a strong reminder, if one is needed, of the blessings of a routine domestic life.

Racking up the deaths

BBC News - China flooding 'traps 152 miners'

This is a very brief report of yet another coal mining accident in China.

The number of Chinese miners killed every year is simply amazing. In Australia or the US, an accident killing a dozen people is huge news and is viewed as a great tragedy for virtually all of the nation. In China, with (as this article notes) thousands of deaths in the mines every year, it's hard to imagine any but the largest incidents getting much coverage. Some years in the last decade have had close to 7,000 deaths.

Strange how a communist nation manages to do the least to protect its workers.

Yay for John

A Physics Maven’s Take on Skeptical Science - Dot Earth Blog - NYTimes.com

I've been a fan of Skeptical Science for quiet a while, and have wondered about its creator John Cook.

Now that his fame has spread world wide, it takes Andrew Revkin of the New York Times to publicise him.

He is not quite what you would expect: studied physics and astrophysics at University, has serious concerns about the environment and AGW, yet is a serious enough Christian to mention it in this interview. This is not exactly a common combination, I'm sure.

He also appears to been born earless, if the crook photo (which I assume he supplied) is anything to go by. I take it as a sign he does not suffer from vanity.

That's big of him

Cleric: Don’t cut too much female genital to avoid sexuality loss | The Jakarta Post

A Nahdlatul Ulama (NU) cleric said on Friday that circumcision on women was not supposed to cause the loss of their sexuality.

“Don’t cut too much. Just cut the small skin on the tip of the clitoris. Otherwise, a woman would lose her sexuality, and you males don’t like that to happen, do you?” prominent cleric Mohammad Masyhuri told a press conference.

Masyhuri, also a member of NU Suriah (lawmaking body), said that a proper female circumcision should not cause any damage to woman genitals. “No bleeding, if you do it properly.”

He suggested that circumcision was conducted on a female baby at the age
of 7 days.

Sort of good news

NASA Study Finds Atlantic 'Conveyor Belt' Not Slowing

Another study finds that the Atlantic conveyor (the current that keeps Europe warmer than it would otherwise be) is not slowing down.  I suppose it's good for North Atlantic bordering countries that there's no imminent ice age; but then again it's not so good that global warming in those regions won't be moderated by cooler ocean water.

Please make the movie

"Weird: The Al Yankovic Story" from Aaron Paul

Promising

How to Train Your Dragon Movie Reviews, Pictures - Rotten Tomatoes

I see that How to Train Your Dragon is receiving very strong reviews. Good news for those of us who like good kids films.

Brave woman

BBC News - Saudi female poet whose verse inflames and inspires

An old debate

The Moral Equivalent of the Parallel Postulate | Cosmic Variance

It's an old topic, the question of the exact nature of morals. Cosmic Variance, which always takes an atheist/scientific take on things, nonetheless has an interesting post (and comments following) debating the issue of the subjectivity of morals and related topics.

Looks good, but a bit small?

Samsung Announces eReader Launch For The US Market

You can write notes on this one, and this feature sounds interesting:

Samsung eReader users will also be able to take advantage of breakthrough Barnes & Noble features, such as the industry-first LendMe technology which enables consumers to lend a wide selection of eBooks to friends free of charge for up to 14 days. Just choose the book you want to share and send it to your friend’s Samsung eReader or a host of other computer and mobile devices with free Barnes & Noble eReader software.

The boy Ellen

Constance McMillen case: proms as gay-rights battleground

So, the ACLU sued a school district to try to force it to re-instate a prom cancelled so as to avoid a lesbian bringing her girlfriend. Where exactly does the ACLU gets its funding for such crucial legal cases?

But the main point of the post is indicated in the title: I sometimes see bits of Ellen DeGeneres' show when channel surfing at night, and I had been meaning to note the fact that she has had a "makeover" which has moved her image unambiguously into the androgynous zone. (Yes, that's a pleasingly contradictory sentence, no?) You can see a photo of her interviewing the miffed Prom-less teenage lesbian at the link above.

I always used to think DeGeneres had a likeable sort of face, even though I pretty much can't stand her chat show for more than 5 minutes. As a figurehead for the gay and lesbian political movement, her image was at least non-confrontational, and her self-deprecating comedy routines perhaps helped too. She was bearable in small doses, unlike the other famous TV lesbian Rosie O'Donnell, who is (good Lord no) going to be back on TV soon.

But with this boyish haircut and even more manly dress than before, well, she's moved well out of the "girl next door who just happens to like girls" vibe that she used to represent. To me, she now looks kind of mean and humourless; but that's how I interpret nearly all short haired butch lesbianism. (Sorry, all you nice and sweet examples of the genre out there, somewhere.)

I wonder if it will hurt her crossover appeal somewhat with the heterosexual viewers. (Mind you, her audiences always appear to be simply adulatory, for reasons I don't grasp.)

Triumph of social networking

Internet casual sex is blamed for rise in syphilis

People using social networking sites for casual sex are to blame for a four-fold increase in syphilis, a director of public health said today.

Sensitive Singaporeans

Apology - Correction - NYTimes.com

Important date noted

Happy birthday, William Shatner | Hero Complex | Los Angeles Times

He's just turned 79.  When he finally dies, I hope he's prepared some bizarre video to be played at his funeral.