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Saturday, August 10, 2013

ScienceDaily: Top Science News

ScienceDaily: Top Science News


Why an ice age occurs every 100,000 years: Climate and feedback effects explained

Posted: 07 Aug 2013 10:41 AM PDT

Science has struggled to explain fully why an ice age occurs every 100,000 years. As researchers now demonstrate based on a computer simulation, not only do variations in insolation play a key role, but also the mutual influence of glaciated continents and climate.

ScienceDaily: Top Health News

ScienceDaily: Top Health News


Low childhood conscientiousness predicts adult obesity

Posted: 09 Aug 2013 08:52 AM PDT

Results from a longitudinal study show that children who exhibit lower conscientiousness (e.g., irresponsible, careless, not persevering) could experience worse overall health, including greater obesity, as adults. The study examines the relationship between childhood personality and adult health and shows a strong association between childhood conscientiousness (organized, dependable, self-disciplined) and health status in adulthood.

How parents see themselves may affect their child's brain and stress level

Posted: 09 Aug 2013 08:51 AM PDT

A mother's perceived social status predicts her child's brain development and stress indicators, finds a new study -- the first to link brain function to maternal self-perception. Children in the study, whose mothers saw themselves as having a low social status were more likely to have increased cortisol levels, (stress indicator), and less activation of their hippocampus, (structure in the brain responsible for long-term memory formation, required for learning) and reducing stress responses.

Autism affects different parts of the brain in women and men

Posted: 09 Aug 2013 05:41 AM PDT

Autism affects different parts of the brain in females with autism than males with autism, a new study reveals.

How to achieve a well-balanced gut: 'Peacekeeper' in the gut identified

Posted: 09 Aug 2013 05:41 AM PDT

Creating an environment that nurtures the trillions of beneficial microbes in our gut and, at the same time, protects us against invasion by food-borne pathogens is a challenge. A new study reveals the role of a key player in this balancing act.

Gene variations may help predict cancer treatment response

Posted: 09 Aug 2013 05:41 AM PDT

Researchers have identified four inherited genetic variants in non-small cell lung cancer patients that can help predict survival and treatment response. Their findings could help lead to more personalized treatment options and improved outcomes for patients.

Helper cells aptly named in battle with invading pathogens

Posted: 09 Aug 2013 05:38 AM PDT

By tracking the previously unknown movements of a set of specialized cells, scientists are shedding new light on how the immune system mounts a successful defense against hostile, ever-changing invaders.

Access to HeLa cell genome data restored following agreement

Posted: 07 Aug 2013 10:40 AM PDT

Genomic data from a HeLa cell line are being released with publication of final version of first study to sequence and analyze entire genome of a HeLa cell line. The study was conducted by European Molecular Biology Laboratory scientists.

Researchers publish study on genome of aggressive cervical cancer that killed Henrietta Lacks

Posted: 07 Aug 2013 10:40 AM PDT

A research team has unveiled a comprehensive portrait of the genome of the world's first immortal cell line, known as HeLa. The cell line was derived in 1951 from an aggressive cervical cancer that killed Henrietta Lacks -- the subject of a bestselling book. They will also be the first group to publish under a new National Institutes of Health policy for HeLa genomic data, established through discussions with Lacks' family.

Loss of MicroRNA decoy might contribute to development of soft-tissue sarcoma

Posted: 07 Aug 2013 10:00 AM PDT

Researchers have discovered a novel mechanism responsible for the loss of a critical tumor-suppressor gene in rhabdomyosarcoma and other soft-tissue sarcomas, rare cancers that strike mainly children and often respond poorly to treatment. Their cause is largely unknown. Knowledge of the mechanism could guide the development of more effective therapies for these malignancies.

The Cynical Girl: I’ll take your children and your dog.

The Cynical Girl: I’ll take your children and your dog.

Link to The Cynical Girl

I’ll take your children and your dog.

Posted: 08 Aug 2013 03:45 AM PDT

senoritaI never believed in a biological clock until I saw the most adorable baby in Las Vegas.

To be fair, the baby wasn’t a baby. He was a toddler. And he wearing the cutest pair of cowboy boots I had ever seen — and a vest.

A vest, you guys. That’s exactly how I would do it if I had a cute little guy. A rootin’ tootin’ vest is a do for pre-fall 2013.

So I stood in the conservatory of The Bellagio and sent this text message to a friend:

My uterus hurts. And why are there so many babies in casinos?

Then I drowned my hormones with vodka.

That was awhile ago. And the child-free life has worked out pretty well for me. But I have to admit that I still look around and wonder why I don’t have any kids but so many stupid people have so many expensive, ugly, mouth-breathing children.

And little things, like a recent article called The One Thing No One Tells You Before You Have Kids: Don't get a dog, also bother me.

The writer, Allison Benedikt, tells us that being a mom is hard. If you have more than one kid, it is ridiculous. And being a mom with a dog is harder. If you want to make life easier on yourself and your family, don’t get a dog before you have kids.

I respect the author’s exhaustion and her complete honesty about . . . no, wait, I don’t.

I know, I know, I know. I don’t have kids. I wouldn’t get it. This is what parents like to tell me. But I know something about cruelty to animals. I have four cats — each rescue story worse than the next. And there are so many dogs who are adopted and then abandoned because of women like Ms. Benedikt. (Take a spin on Petfinder and you’ll see what I am talking about.)

This article was a missed opportunity. The author could have exercised more skill and written about the challenges of being a parent. She could have discussed the complexities of responsible ownership and how sometimes being a responsible dog owner means not being an owner in the first place. Or she could have told us that managing a busy household is a challenge, of course, but worth the trouble because studies show that children raised with pets are more confident and compassionate.

Instead, she wrote this:

A friend of mine once told me that before he had a kid, he would have run into a burning building to save his cats. Now that he has a kid, he would happily drown the cats in the bathtub if it would help his son take a longer nap. Here is how I feel about that statement: Velvel, avoid the bathroom.

It's not that I don't love my dog. It's just that I don't love my dog. And I am not alone. A very nonscientific survey of almost everyone I know who had a dog and then had kids now wishes they had never got the dog. This is a near universal truth, even for parents with just one child, though I have more.

Jesus Christ, lady. You suffer.

Her article was beyond offensive. If it serves as a warning sign for anything, it’s not to avoid getting a dog before you have a family. You should avoid being someone who lacks empathy for other living creatures.

So how about I do you a favor, lady? I’ll take your children and your dog.

You really don’t deserve either.

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ScienceDaily: Top Environment News

ScienceDaily: Top Environment News


Cells eat themselves into shape

Posted: 09 Aug 2013 08:48 AM PDT

To quickly smooth out their surface, cells in the fruit fly embryo 'suck in' long tubes of membrane in a specialized type of endocytosis, scientists have found. The study could help explain how the cells on your skin become different from those that line your stomach or intestine.

Deep Earth heat surprise: New findings on how heat is conducted in the deep lower mantle

Posted: 09 Aug 2013 05:41 AM PDT

Researchers have for the first time experimentally mimicked the pressure conditions of Earths' deep mantle to measure thermal conductivity using a new measurement technique on the mantle material magnesium oxide. They found that heat transfer is lower than other predictions, with total heat flow across the Earth of about 10.4 terawatts, about 60 percent of the power used today by civilization. They also found that conductivity has less dependence on pressure conditions than predicted.

Why an ice age occurs every 100,000 years: Climate and feedback effects explained

Posted: 07 Aug 2013 10:41 AM PDT

Science has struggled to explain fully why an ice age occurs every 100,000 years. As researchers now demonstrate based on a computer simulation, not only do variations in insolation play a key role, but also the mutual influence of glaciated continents and climate.

ScienceDaily: Top News

ScienceDaily: Top News


Low childhood conscientiousness predicts adult obesity

Posted: 09 Aug 2013 08:52 AM PDT

Results from a longitudinal study show that children who exhibit lower conscientiousness (e.g., irresponsible, careless, not persevering) could experience worse overall health, including greater obesity, as adults. The study examines the relationship between childhood personality and adult health and shows a strong association between childhood conscientiousness (organized, dependable, self-disciplined) and health status in adulthood.

How parents see themselves may affect their child's brain and stress level

Posted: 09 Aug 2013 08:51 AM PDT

A mother's perceived social status predicts her child's brain development and stress indicators, finds a new study -- the first to link brain function to maternal self-perception. Children in the study, whose mothers saw themselves as having a low social status were more likely to have increased cortisol levels, (stress indicator), and less activation of their hippocampus, (structure in the brain responsible for long-term memory formation, required for learning) and reducing stress responses.

Cells eat themselves into shape

Posted: 09 Aug 2013 08:48 AM PDT

To quickly smooth out their surface, cells in the fruit fly embryo 'suck in' long tubes of membrane in a specialized type of endocytosis, scientists have found. The study could help explain how the cells on your skin become different from those that line your stomach or intestine.

Autism affects different parts of the brain in women and men

Posted: 09 Aug 2013 05:41 AM PDT

Autism affects different parts of the brain in females with autism than males with autism, a new study reveals.

How to achieve a well-balanced gut: 'Peacekeeper' in the gut identified

Posted: 09 Aug 2013 05:41 AM PDT

Creating an environment that nurtures the trillions of beneficial microbes in our gut and, at the same time, protects us against invasion by food-borne pathogens is a challenge. A new study reveals the role of a key player in this balancing act.

Gene variations may help predict cancer treatment response

Posted: 09 Aug 2013 05:41 AM PDT

Researchers have identified four inherited genetic variants in non-small cell lung cancer patients that can help predict survival and treatment response. Their findings could help lead to more personalized treatment options and improved outcomes for patients.

Bubbles are the new lenses for nanoscale light beams

Posted: 09 Aug 2013 05:41 AM PDT

Bending light beams to your whim sounds like a job for a wizard or an a complex array of bulky mirrors, lenses and prisms, but a few tiny liquid bubbles may be all that is necessary to open the doors for next-generation, high-speed circuits and displays, according to researchers.

Deep Earth heat surprise: New findings on how heat is conducted in the deep lower mantle

Posted: 09 Aug 2013 05:41 AM PDT

Researchers have for the first time experimentally mimicked the pressure conditions of Earths' deep mantle to measure thermal conductivity using a new measurement technique on the mantle material magnesium oxide. They found that heat transfer is lower than other predictions, with total heat flow across the Earth of about 10.4 terawatts, about 60 percent of the power used today by civilization. They also found that conductivity has less dependence on pressure conditions than predicted.

Helper cells aptly named in battle with invading pathogens

Posted: 09 Aug 2013 05:38 AM PDT

By tracking the previously unknown movements of a set of specialized cells, scientists are shedding new light on how the immune system mounts a successful defense against hostile, ever-changing invaders.

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


Bubbles are the new lenses for nanoscale light beams

Posted: 09 Aug 2013 05:41 AM PDT

Bending light beams to your whim sounds like a job for a wizard or an a complex array of bulky mirrors, lenses and prisms, but a few tiny liquid bubbles may be all that is necessary to open the doors for next-generation, high-speed circuits and displays, according to researchers.

Friday, August 9, 2013

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