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SCI-TECH: Science Archives

Recently in SCI-TECH: Science Category

August 4, 2011

Memory & Forgetting, Children & Love

By Joe Katzman at 04:19

A couple of articles lately that really hit home. Brink's "How to mend a broken heart" is simply excellent. Turns out that drug addiction may actually be a byproduct of love's existing circuitry, that a broken heart can medically kill people with something that looks a lot like a heart attack, and that simple pain relievers like Tylenol can help dull the pain of a breakup. Plus, how can you not love "The Museum of Broken Relationships"?

"Olinka and Drazen are artists, and after some time passed [beyond their breakup], they did what artists often do: they put their feelings on display.... Their collection of breakup mementos was accepted into a local art festival. It was a smash hit. Soon they were putting up installations in Berlin, San Francisco, and Istanbul, showing the concept to the world. Everywhere they went, from Bloomington to Belgrade, people packed the halls and delivered their own relics of extinguished love: "The Silver Watch" with the pin pulled out at the moment he first said, "I love you." The wood-handled "Ex Axe" that a woman used to chop her cheating lover's furniture into tiny bits. Trinkets that had meaning to only two souls found resonance with a worldwide audience that seemed to recognize the same heartache all too well."

Another article talked about a more profound kind of heartbreak, and a very different problem of memory. The Washington Post's 2009 piece "Fatal Distraction" is about something that really can happen to any parent, though we really don't like to think about it:

"Two decades ago, [death by hyperthermia] was relatively rare. But in the early 1990s, car-safety experts declared that passenger-side front airbags could kill children, and they recommended that child seats be moved to the back of the car; then, for even more safety for the very young, that the baby seats be pivoted to face the rear. If few foresaw the tragic consequence of the lessened visibility of the child... well, who can blame them? What kind of person forgets a baby?"

Research suggests a very unsettling answer:


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June 23, 2011

EMMA: After Uranium Fission Comes... Thorium?

By Joe Katzman at 04:25

Very interesting Daily Mail article about Britain's Electron Model of Many Applications (EMMA) ring accelerator, and its potential in both energy generation and medicine:

"One ton of thorium can produce as much energy as 200 tons of uranium, or 3.5 million tons of coal, and the thorium deposits that have already been identified would meet the entire world's energy needs for at least 10,000 years. Unlike uranium, it's easy and cheap to refine, and it's far less toxic. Happily, it produces energy without producing any carbon dioxide: so an economy that ran on thorium power would have virtually no carbon footprint.

Better still, a thorium reactor would be incapable of having a meltdown, and would generate only 0.6 per cent of the radioactive waste of a conventional nuclear plant. It could even be adapted to 'burn' existing, stockpiled uranium waste in its core, thus enormously reducing its radioactive half-life and toxicity."

The technical catch?


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  • Marcus Vitruvius: Mark: Yeah, on that we definitely agree-- environmental energy is read more
  • mark buehner: I agree with everything you said Marcus, we're on the read more
  • Marcus Vitruvius: MB #17: Yes, I agree. I phrased it carefully because read more

June 19, 2010

Did That Orangutan Just Flip Me Off?

By Joe Katzman at 00:43


Well, Clyde sure did in the movie Every Which Way But Loose. Orangs are quite clever, and we always knew they were by far the best tool users among the great apes. Their feats of intelligence and escape artistry at zoos are near-legendary, and have included hiding improvised lockpicks in their lower lip - then successfully using them. They've also shown the inclination to make one tool using another tool, which is no small water.

Clyde was a trained ape, of course. So was Chantek, who showed the ability to master sign language, invent new words, lie successfully, and absorb human cultural notions at the level of a young child.

All pretty cool - and potentially disruptive to our notions of where the term "reasonable creature" (which defines some states' murder laws) might begin and end.

Another brick in the wall comes from Erica Cartmill and Richard Byrne at the University of St. Andrews in the UK. They studied orangutans in zoos, but the study focused on how they interacted with each other, not with humans. The kicker? The orangs were consistently using sign/body language among themselves, for specific things, and using the same signals both consistently, and with more emphasis when a response isn't forthcoming (the sign equivalent of talking slower and louder - guess that reflex goes pretty deep).

The use of zoos introduces some complications to the conclusions, but without some kind of anti-grav pack, that stuff is going to be very hard to observe in the wild. If we ever do establish the existence of a similar behaviour pattern in the wild, without human intervention, I think the case will pretty much slam shut on the notion of orangutans as, effectively, "people."

I'm there now. Right beside Philo Beddoe.


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May 11, 2010

A Moral Sense in Babies?

By Joe Katzman at 05:07

Interesting NY Times article, which does happen once in a a while. I'm inclined to remove the philosophizing, and just note the results. What it suggests, however, is that the baby's slate isn't quite as blank as we might think - in this way, and in other ways:

"Not long ago, a team of researchers watched a 1-year-old boy take justice into his own hands. The boy had just seen a puppet show in which one puppet played with a ball while interacting with two other puppets. The center puppet would slide the ball to the puppet on the right, who would pass it back. And the center puppet would slide the ball to the puppet on the left . . . who would run away with it. Then the two puppets on the ends were brought down from the stage and set before the toddler. Each was placed next to a pile of treats. At this point, the toddler was asked to take a treat away from one puppet. Like most children in this situation, the boy took it from the pile of the "naughty" one. But this punishment wasn't enough -- he then leaned over and smacked the puppet in the head."


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  • mark buehner: Always be skeptical of behavioral studies of animals and babies. read more
  • David Blue: It's a well-designed and convincing experiment. read more
  • Demosophist: I'd say the kid has been watching too much NCIS. read more

March 24, 2010

Dr Grigory Perelman Solves Poincare Conjecture, Turns Down the $1 Million

By Joe Katzman at 19:33

The What? I'll let the Clay Mathematics Institute explain:

"Formulated in 1904 by the French mathematician Henri Poincaré, the conjecture is fundamental to achieving an understanding of three-dimensional shapes (compact manifolds). The simplest of these shapes is the three-dimensional sphere. It is contained in four-dimensional space, and is defined as the set of points at a fixed distance from a given point, just as the two-dimensional sphere (skin of an orange or surface of the earth) is defined as the set of points in three-dimensional space at a fixed distance from a given point (the center).

Since we cannot directly visualize objects in n-dimensional space, Poincaré asked whether there is a test for recognizing when a shape is the three-sphere by performing measurements and other operations inside the shape. The goal was to recognize all three-spheres even though they may be highly distorted. Poincaré found the right test (simple connectivity, see below). However, no one before Perelman was able to show that the test guaranteed that the given shape was in fact a three-sphere."

It's one of 7 "Millennium Problems" which has standing $1 million prizes for a solution at the Clay Mathematics Institute. Err, make that 6. Dr. Grigory Perelman in St. Petersburg has become the first winner of a Clay Millennium Prize. Only problem? He doesn't want it. He also failed to show at a 2006 Fields Medal ceremony from the International Mathematical Union.

The guy lives as a recluse in a bare cockroach-infested flat in St Petersburg, and says (through a closed door): 'I have all I want.' Kind of Dostoyevsky, really.


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  • toc3: I can't think of any thinker secular of religious who read more

March 11, 2010

Geek Fun

By Armed Liberal at 18:11

Littlest Guy is working on his school science project (making a calorimeter), and so he's starting to learn some of the basics of thermodynamics (it's hard to explain the difference between temperature and heat, isn't it?).

While he was digging he came up with this video, which he's been playing enough to be annoying.

So in the interests of making you annoyed too, I give you - the Large Hadron Collider rap video...


-

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  • Joe Katzman: Nice! read more
  • phantommut: If you're having problems with an explanation that might make read more
  • Joe Katzman: This was better than I expected it to be - read more

In Denial: Global Warming Hoaxes Dismantled

By Joe Katzman at 06:31

The Weekly Standard does a very good job documenting all of the scandals and forced retractions by the IPCC. As you might expect, there are rather more of them than have been published in the "mainstream" media. It makes for a long article, and taken together, they are incredibly damning. Having read them, I do not think "hoax" is too strong a word to describe these instances - and the comparison of Climategate to The Pentagon Papers is apt.

Though the cover drawing of an unclothed Al Gore isn't really something I wanted seared into my brain....


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  • Chris: Actually, this is good. You're boldly stating that you know read more
  • Armed Liberal: I can't believe we're still back here. And here's Judith read more
  • Chris: If you can point to a respectable number of examples read more

February 19, 2010

Uber-Geek Gear Ads

By Joe Katzman at 21:30

I'm talking about ads for mass spectrometers, genetic sequencers, and other stuff that leaves your "4G smartphone hacked to run Linux" huddled in some corner, crying over its basic inadequacy.

My favorite might be the boy band takeoff, for its oh-so obvious send up.

I would never in a million years have guessed that these kinds of creative approaches existed in that sphere. I'll take that as a signal to stretch my imagination a bit in future.


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February 9, 2010

Bottlenose Dolphins Invent "Ring Feeding"

By Joe Katzman at 01:29

Very smart approach. Swim in shallow flats where fast-moving fish live. Begin by circling around them, beating your flukes into the seabed to raise sand clouds. When the circle closes, the fish try to jump out. And hey! Those tricks from Sea World have a real world counterpart after all.


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  • Joe Katzman: I can't point to the exact research, but I believe read more
  • Grim: "...some dolphin must have invented it..." That's a fair point. read more
  • Joe Katzman: I didn't say it was necessarily new, though humans hadn't read more

February 8, 2010

IPCC Loses Confidence of India, Who Forms Own Climate Change Body

By Joe Katzman at 02:05

Well, this was interesting. Just a couple weeks ago, another IPCC scandal revealed that Himalayan glaciers wouldn't be melting away by 2035, as claimed. More like, uh, 2305. Maybe. The whole controversy, and process by which this grossly unsubstantiated claim became very financially beneficial to the people making it, was aptly described as "nice work if you can invent it." So, why was the material in the IPCC report? Well, this pretty much sums up the IPCC as politics, not science:

"In an interview with The Mail on Sunday, Dr Lal, the co-ordinating lead author of the report's chapter on Asia, said: 'It related to several countries in this region and their water sources. We thought that if we can highlight it, it will impact policy-makers and politicians and encourage them to take some concrete action.'It had importance for the region, so we thought we should put it in.' "

Just let that statement sink in for a bit.

Now, the real expert whose contrary (and correct) glacier work IPCC chair R.K. Pachauri blackballed as "voodoo"science wants an apology. And the Indian government has decided that science is too important to be left to the IPCC. Environment minister Mr Jairam Ramesh, who notes that while some glaciers are shrinking, others are advancing, had an announcement:


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  • Glen Wishard: India's exodus from the IPCC is a huge blow to read more
  • Jeff Medcalf: When I was talking with my kids about the IPCC read more

November 27, 2009

"...Such Representations Are Especially Liable To Nonsense."

By Armed Liberal at 18:10

I've just finished Matthew Crawford's great book "Shop Class as Soulcraft," tripped over a paragraph that I thought relevant to the struggles we're having dealing with science entirely performed through modelling, and thought I'd share.
Some modern motorcycles have begun to include onboard, computerized self-diagnostic functions, just as cars do. But they haven't eliminated the kind of judgment mechanics exercise. If we can understand why they haven't, this will help illuminate further the limitations inherent in the idea of an "intellectual technology," and the perversities that get laid upon work when those limitations aren't heeded.

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  • toc3: I don't think we disagree. My point is that i read more
  • J Aguilar: Toc3, those theories may be as mathematically elegant as elegant read more
  • Tim Oren: Both sides of the Global warming debate are in their read more

November 5, 2009

Apex Predators, Mesopredators, and Man

By Joe Katzman at 02:44

The journal Bioscience (October 2009) recently published "The Rise of the Mesopredator" [PDF]. Science Codex covers the researchers' coclusions:

"In case after case around the world, the researchers said, primary predators such as wolves, lions or sharks have been dramatically reduced if not eliminated, usually on purpose and sometimes by forces such as habitat disruption, hunting or fishing. Many times this has been viewed positively by humans, fearful of personal attack, loss of livestock or other concerns. But the new picture that's emerging is a range of problems, including ecosystem and economic disruption that may dwarf any problems presented by the original primary predators.... "The economic impacts of mesopredators should be expected to exceed those of apex predators in any scenario in which mesopredators contribute to the same or to new conflict with humans," the researchers wrote in their report. "Mesopredators occur at higher densities than apex predators and exhibit greater resiliency to control efforts." The problems are not confined to terrestrial ecosystems...."

Interesting article. Hopefully, it will lead to smarter interactions with nature. We're the apex species, which means stewardship whether we like or not. Might as well get good at it.

One wonders, too, if there may be some applications to human predators, as well.


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