• People Reject Popular Opinions If They Already Hold Opposing Views
• To Make One Happy, Make One Busy
• What You Say About Others Says a Lot About You
• Breeding Is Changing Dog Brains
• Synthetic Bone Graft Recruits Stem Cells for Faster Bone Healing
• Latest ‘Green’ Packing Material? Mushrooms; Packing Foam Engineered from Mushrooms and Agricultural Waste
• Mining Bacterial Genomes Reveals Valuable ‘Hidden’ Drugs
• One High-Fat Diet, Two Different Outcomes: The Path to Obesity Becomes Clearer
• Obesity Prevention Begins Before Birth: Excess Maternal Weight Gain Increases Birth Weight After Controlling for Genetic Factors
• Gum Inflammation Linked to Alzheimer’s Disease
• Brain Study Shows That Thinking About God Reduces Distress, But Only for Believers

People Reject Popular Opinions If They Already Hold Opposing Views: A new study suggests people often grow more confident in some beliefs when they find out later that a majority of people disagree with them. “It may be that you feel proud because you were able to disprove, in your own mind, an opinion that most people have accepted. You actually become doubly sure you were right.”
Previous research has shown that majority opinion has the greatest influence on people when they consider issues that aren’t that important to them or issues they don’t want to spend much effort thinking about. Minority opinion does have influence sometimes, but mostly on issues which people are motivated to consider carefully. However, previous work had focused on situations in which people found out the majority opinion before they had given the issue much thought. “People may be thinking that ‘if I can find the flaws in a position that the majority of people believe, then my thoughts must really be good ones.’”
One key to this finding is that people have to think about the issue first, and develop their own ideas. Learning later that a majority of people hold a certain view, after you have already made up your mind, functions to help you validate what you already think about that issue.

To Make One Happy, Make One Busy: A new study found that people who have something to do, even something pointless, are happier than people who sit idly. …people like being busy, and they like being able to justify being busy — to benefit society.

~If you read the write-up, I’d love your opinion on how this conclusion was made. I basically agree with the conclusion that keeping busy leads to feeling happier than just being idle, but I question how the conclusion was made, at least from the write-up.

What You Say About Others Says a Lot About You: How positively you see others is linked to how happy, kind-hearted and emotionally stable you are. The researchers found a person’s tendency to describe others in positive terms is an important indicator of the positivity of the person’s own personality traits. They discovered particularly strong associations between positively judging others and how enthusiastic, happy, kind-hearted, courteous, emotionally stable and capable the person describes oneself and is described by others. The study also found that how positively you see other people shows how satisfied you are with your own life, and how much you are liked by others.
In contrast, negative perceptions of others are linked to higher levels of narcissism and antisocial behavior. “The simple tendency to see people negatively indicates a greater likelihood of depression and various personality disorders. Given that negative perceptions of others may underlie several personality disorders, finding techniques to get people to see others more positively could promote the cessation of behavior patterns associated with several different personality disorders simultaneously.” This research suggests that when you ask someone to rate the personality of a particular coworker or acquaintance, you may learn as much about the rater providing the personality description as the person they are describing. The level of negativity the rater uses in describing the other person may indeed indicate that the other person has negative characteristics, but may also be a tip off that the rater is unhappy, disagreeable, neurotic — or has other negative personality traits. …By evaluating the raters and how they evaluated their peers again one year later, Wood found compelling evidence that how positively we tend to perceive others in our social environment is a highly stable trait that does not change substantially over time.

Breeding Is Changing Dog Brains: Scientists have shown that selective breeding of domestic dogs is not only dramatically changing the way animals look but is also driving major changes in the canine brain. The brains of many short-snouted dog breeds have rotated forward as much as 15 degrees, while the brain region controlling smell has fundamentally relocated. No other animal has enjoyed the level of human affection and companionship like the dog, nor undergone such a systemic and deliberate intervention in its biology through breeding, the authors note. The diversity suggests a unique level of plasticity in the canine genome. “Canines seem to be incredibly responsive to human intervention through breeding. It’s amazing that a dog’s brain can accommodate such large differences in skull shape through these kinds of changes — it’s something that hasn’t been documented in other species.” …”The next obvious step is to try to find out if these changes in brain organisation are also linked to systematic differences in dogs’ brain function.”

Synthetic Bone Graft Recruits Stem Cells for Faster Bone Healing: A new study shows how particles of a ceramic called calcium phosphate have the ability to stimulate promising bone regrowth by attracting stem cells and ‘growth factors’ to promote healing and the integration of the grafted tissue. “The rate of bone repair we see with these materials rivals that of traditional grafts using a patients’ own bone. And what sets it apart from other synthetic graft substitutes is its ability to attract stem cells and the body’s natural growth factors, which coincide to form new, strong, natural bone around an artificial graft.” …The study suggests that biomaterials-based bone grafts can manipulate cell behaviour in order to repair injury, and one day may be used to repair bone injuries in humans.

Latest ‘Green’ Packing Material? Mushrooms; Packing Foam Engineered from Mushrooms and Agricultural Waste: A new packing material that grows itself is now appearing in shipped products across the country. The composite of inedible agricultural waste and mushroom roots is called Mycobond™, and its manufacture requires just one eighth the energy and one tenth the carbon dioxide of traditional foam packing material. And unlike most foam substitutes, when no longer useful, it makes great compost in the garden.

Mining Bacterial Genomes Reveals Valuable ‘Hidden’ Drugs: Scientists successfully used a ‘genome mining’ approach to find and activate a group of genes in the bacterium Streptomyces coelicolor. This resulted in the production of a new antibacterial compound that was effective against several bacterial strains, including Escherichia coli. Streptomyces is a common soil bacterium that is well-known for its antibiotic-producing capabilities. In 2002, genomic sequencing of one Streptomyces species, S. coelicolor, revealed several groups of genes whose function was unknown. By digging deeper and removing a molecule that specifically inactivates one of the mystery gene groups, known as cpk, the researchers in this study were able to ‘awaken’ the genes, to find that they produced the new antibiotic, in addition to a bright yellow pigment. This is the first time a genome mining approach to drug discovery has been successfully used in Streptomyces. The same approach for ‘awakening’ new antibiotic production pathways could also be used to tap other micro-organisms, such as filamentous fungi, for sources of biologically active compounds. Aside from antibiotics, these compounds may include other antimicrobials or antitumour agents. “There are several thousand other uncharacterized groups of genes that have been found recently in microbial genome sequences. This opens up a rich treasure trove of new potential drugs for clinical use.”

One High-Fat Diet, Two Different Outcomes: The Path to Obesity Becomes Clearer: Why is it that two people can consume the same high fat, high-calorie Western diet and one becomes obese and prone to diabetes while the other maintains a slim frame? A study provides a simple explanation: weight is set before birth in the developing brain. The research team analyzed the question in specific groups of rats. …animals that become obese already had a significant difference in the feeding center of the brain. Neurons that are supposed to signal when you’ve eaten enough and when to burn calories, are much more sluggish in these animals because they are inhibited by other cells. In animals resistant to obesity, these satiety signaling neurons are much more active and ready to signal to the rest of the brain and peripheral tissues when enough food has been consumed. “These observations add to the argument that it is less about personal will that makes a difference in becoming obese, and, it is more related to the connections that emerge in our brain during development.”

Obesity Prevention Begins Before Birth: Excess Maternal Weight Gain Increases Birth Weight After Controlling for Genetic Factors: Expectant mothers who gain large amounts of weight tend to give birth to heavier infants who are at higher risk for obesity later in life. But it’s never been proven that this tendency results from the weight gain itself, rather than genetic or other factors that mother and baby share. “Since high birth weight, in turn, increases risk for obesity and diseases such as cancer and asthma later in life, these findings have important implications to general public health.”
…Animal studies suggest that excess maternal weight or excess weight gain during pregnancy affects the uterine environment, producing changes in the hypothalamus, pancreatic islet cells, fat tissue and other systems that regulate body weight. “Hormones and metabolic pathways, and even the structure of tissues and organs that play a role in body weight maintenance are affected.”

Gum Inflammation Linked to Alzheimer’s Disease: The study offers fresh evidence that gum inflammation may contribute to brain inflammation, neurodegeneration, and Alzheimer’s disease.

Brain Study Shows That Thinking About God Reduces Distress, But Only for Believers: Thinking about God may make you less upset about making errors, according to a new study. The researchers measured brain waves for a particular kind of distress-response while participants made mistakes on a test. Those who had been prepared with religious thoughts had a less prominent response to mistakes than those who hadn’t. The researchers showed that when people think about religion and God, their brains respond differently, in a way that lets them take setbacks in stride and react with less distress to anxiety-provoking mistakes. The results showed that when people were primed to think about religion and God, either consciously or unconsciously, brain activity decreases in areas consistent with the anterior cingulate cortex (ACC), an area associated with a number of things, including regulating bodily states of arousal and serving an alerting function when things are going wrong, including when we make mistakes.
Interestingly, atheists reacted differently; when they were unconsciously primed with God-related ideas, their ACC increased its activity. The researchers suggest that for religious people, thinking about God may provide a way of ordering the world and explaining apparently random events and thus reduce their feelings of distress. In contrast, for atheists, thoughts of God may contradict the meaning systems they embrace and thus cause them more distress.
“Thinking about religion makes you calm under fire. It makes you less distressed when you’ve made an error. We think this can help us understand some of the really interesting findings about people who are religious. Although not unequivocal, there is some evidence that religious people live longer and they tend to be happier and healthier.” Atheists shouldn’t despair, though. “We think this can occur with any meaning system that provides structure and helps people understand their world.” Maybe atheists would do better if they were primed to think about their own beliefs, he says.

~My initial thoughts on this: Of course atheists were more agitated after reading the god related ideas! What did they expect? That the atheists would suddenly find comfort in that insanity? I think the conclusions for atheists is offensively patronizing. Maybe I’m just irritated by how the study was conducted. It would suggest to me that religious people can easily make mistakes and their religious thoughts make them more accepting of their mistakes. This doesn’t seem like a positive reaction. When you screw up you should have a reaction, in my opinion.

Also, is it true that religious people live longer and are happier? Is there evidence for that? Most atheists I know are quite happy, and more importantly, not delusional. Then again, in support of the study’s conclusions, the atheists I know who are relatively happy all have very strong value systems that give their lives meaning. I can also speak for myself that this is the case. Atheism only starts with a lack of belief in god. It doesn’t mean we don’t have strong values in the real world that give our lives meaning in other areas away from anything supernatural.

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The one I found that I thought was amazing was Snake Oil?: Scientific evidence for popular health supplements. (That link takes you to the interactive version. See the static version here.) On the side is a show me button that flies out a list of  uses and types of supplements. Choose what you’re interested in to filter the results. The bigger the bubble, the more popular the supplement is. The higher on the chart, the more evidence there is that it works. Notice how many bubbles are below the Worth It line. Remember, the supplements are only good for the conditions listed inside the bubble, which you can see by hovering over it.

What David says about the evidence:

We only considered large, human, randomized placebo-controlled trials in our data scrape – wherever possible. No animal trials. No cell studies. Many of the health claims made by the $23 billion supplements industry are based on non-human trials. We wanted to cut through that.

This piece was doggedly researched by myself, and researchers Pearl Doughty-White and Alexia Wdowski. We looked at the abstracts of over 1500 studies on PubMed (run by US National Library Of Medicine) and Cochrane.org (which hosts meta-studies of scientific research). It took us several months to seek out the evidence – or lack of.

The information is generated from a Google Doc, so when new research comes out it can be easily updated. Very cool indeed. The data has web addresses to the source of the research so you can see it for yourself. It’s not just anecdotal evidence.

David also has a chart on caffeine and calories. He even shows how much exercise it will take to work off that large iced mocha you had for breakfast.

He does two interesting charts about politics. The Left vs the Right. A world version and an American version. These are chock full of information.

His 2012 chart is also great. The left describes the believers, the right describes the skeptics, with information refuting what the believers say. Sources are listed at the bottom, and are available in a Google Doc.

His climate change chart shows global warming deniers vs the scientific consensus.

He has many more on his site as well. That’s just a few of my favorites.

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The offer still stands. Follow the instructions here to get your dead bugs and rotten food scanned for free.

I sent in my toothbrush and they sent me an email with the results the other day! So here it is:

Pretty interesting, huh? They also put up two other toothbrush scans:

While mine was old, this one looks new. The corners of the top don’t look so worn.

Here’s the third one:

ASPEX also has a contest running. Name that sample for a free 1gb USB stick. Here’s this week’s which will be over soon:

Click the image to go to that page where you can comment with what you think it is. Or go here.

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I had my doubts about this; I got an offer from ASPEX corporation to let people get free scanning electron micrographs of just about anything. They make a desktop SEM (Scanning Electron Micrograph), and all you have to do is fill out a form and mail it in with your sample of a dead bug or a microchip or bacon, and presto, within a few weeks they’ll have it scanned in and the image available on their website.

I asked them if they knew how many readers I have, and they said no problem, they can handle it.

Huh.

Well, you heard them. Scavenge your trash cans, dig into your local sources of vermin and oddments, and send them in. I’m thinking this could be really fun for any school teachers out there — you could have the whole class looking for interesting specimens to zoom in on. You can see their current galleries for ideas.

Follow the instructions here to get your dead bugs and rotten food scanned for free.

If you do send something in to get scanned be sure to note that you found them via PZ; and be sure to come back here and share your scan with the rest of us!

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Born and raised Roman Catholic. Had issues with it early on. Asked one too many times “but who made god?” in catechism and spent a lot of time with my nose pushed against a spot on the black-board that the good sisters used as punishment for asking too many questions. Favorite childhood story is “the Emperor has no clothes”.

Jack of all trades by vocation, musician by avocation. Chaser of women, catcher of few. Hedonistically free. Could lose a few pounds, but hey, who couldn’t, huh? Enjoys his martinis, John Steinbeck novels and the salmon-goat cheese pizza at Tapestry in Los Gatos ( available only in the summer from the out-door wood-fired pizza oven, by request). Favorite movie? Aliens with Sigourney Weaver. A classic story of man vs. nature, along with a kick to the status quo of the time by making the hero a woman.

Hired gun and musical mercenary. Spends his free time sleeping, eating, breathing and watching t.v.

Deconversion story to follow.

The A(theist)-Team is growing! There’s me, you’re Incorrigible Ring Leader with a Heart of Gold, Johnny the Erudite Superhero, and now the  Intrepid Groovecat.

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Anyhoo, this is a roundup post in which I cover several topics that are tenuously connected at best. Here’s what I’m rambling on about:

• I’m a citizen scientist now! WOOT!
  • Encyclopedia of Life!
  • My Flickr
• Moving the body affects how we think – a study
• Prayer and meditation may reshape the brain – a study

First, I want to talk about a ScienceDaily report: Massive Online ‘Macroscopic Observatory’ Of Earth’s Biodiversity To Be Created. “Wanted (soon): observations from environment-minded citizens that will allow science to study biodiversity at a planetary level in a massive, comprehensive virtual observatory of historic importance.”

This guy, Edward O. Wilson, created a website, Encyclopedia of Life (eol). His dream: “Imagine an electronic page for each species of organism on Earth…” and they are starting to do just that. A page for every species. If you read the ScienceDaily article, it will be amazing. You’ll be able to get information from the Deep Web from images, maps, classification, common and scientific names, links to research and papers, etc.

It’s already there now, and growing all the time. In the future you’ll also be able to get genome sequences and much much more. Basically anything you want to know about a species will be there, at your fingertips, all on one page, for free. My scientific geekiness is giggling with delight!

And here’s where I get to finally call myself a scientist! Uh, well, a citizen scientist, which is still cool. eol wants people to submit their pictures. I’m a photographer, and I love taking pictures of nature, but I’ve never been able to do much with them. Now I can help with this project! Can you say WOOT!? I can. Woot WOOT! (Sorry, uber-geek moment there).

So what you do, what I did, was to open a Flickr account. I’m ZeNeeceC on Flickr now. I got some older pictures posted yesterday. Then here’s the tough part. You need to machine tag them with their scientific names. This is so that when you send them to the eol Flickr group, eol’s computer can get those images and put them on the right pages.

My friend Jeff said that eol sounded like a Wikipedia kind of thing for science. In a way, he’s right, because we get to contribute our images. But eol is serious about science, so the images will get authenticated. Until that time, they have a yellow box around them so people can see that they are contributed but might not be scientifically accurate like the rest of the info on the page.

Even further, though, if you just want high end science info, eol lets you set that up so that you don’t even see the citizen science stuff. It’s a very well done site.

Anyway, I am having trouble finding out what things are called. Flickr has a group called ID Please, which I joined. And I joined BugGuide.net  as ZeNeece to help me ID bugs. But the flowers and plants, I will need to find an online source to identify those more readily.

So that’s that. I wanted to share it with you because it’s so exciting to me, but also in case you or someone you know might be interested as well.

Onto some studies!

Our Bodies, Our Brains: a recent study shows that moving your body in certain ways can improve your ability to think. Published in Psychological Science.

Working with 38 subjects, the scientists confirmed that either a step forward (a typically positive movement) or a step backward (usually negative) significantly changed one’s ability to perform a mental task.

Taking four steps back improved a subject’s accuracy and timing on the task, whereas taking four steps forward led to longer processing times and more errors.

How cool is that? Now, if you follow the link, you’ll see that this was on 60 second science on Scientific American, so there are no links to studies. But they list the publication, Psychological Science, if you want to look into it further.

Prayer May Reshape Your Brain… And Your Reality: This is interesting. I’ve told you about some studies (see below) in the past in this field, which this article calls “neurotheology”.  The article from NPR is about Andrew Newberg, a neuroscientist at University of Pennsylvania who has written several books and studies very religious people and their brains. Newberg says: “The more you focus on something — whether that’s math or auto racing or football or God — the more that becomes your reality, the more it becomes written into the neural connections of your brain.”

He also tested a doctor who meditates for an hour a day. He had him meditate in a brain scanner.

As expected, his frontal lobes lit up on the screen: Meditation is sheer concentration, after all. But what fascinated Newberg was that Baime’s parietal lobes went dark. Newberg said, “This is an area that normally takes our sensory information, tries to create for us a sense of ourselves and orient that self in the world,” he explains. “When people lose their sense of self, feel a sense of oneness, a blurring of the boundary between self and other, we have found decreases in activity in that area.”

The article goes on to suggest that you can benefit from meditation and prayer as well, even if you don’t devote 1 or 2 hours a day to it. I find this interesting and compelling, and it goes along with the other studies listed below. I would have liked some studies referenced and linked to in the article, but I guess I’m not that lucky.

Here are the other posts I’ve done about other relevant brain and mind studies recently:

• Church: No brain activity required- study showed how experiencing transcendence basically shut down the right parietal lobe.
• More differences in the brains of believers and non-believers: A recent study that found religious people were less anxious about mistakes they made than non-believers.
• Knowledge and Beliefs are stored differently in the brain: this wasn’t a specific study. Dr. Steven Novella mentioned it in passing on his podcast.
• Religion is the path of least resistance: This was about an article in New Scientist where people are born believers. I strongly suspect the way they conducted the studies mentioned.
• Superstitious? It could be your lack of control: This was a neat study about people who were basically put into a situation where they felt a lack of control found patterns more readily in random information.

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So you may have noticed the post titled How Many gods Are In the Bible?. Well, may I introduce to you, Johnny! He’s commented on HDC before, and befriended me on Facebook, and I realized I really like how he thinks and his fresh perspective. As you may know, I am always looking for people to contribute to HDC, so that you get the best Dead Cats possible. When I asked Johnny if he’d be interested in joining in, he said yes! Woot!

So give him a warm welcome. Hopefully we’ll have his deconversion story in the Testimonial section soon, but you can read a bit about him on the About page. As you can see, he’s now our official resident Superhero. Woot Woot!

Thanks for joining us Johnny.

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