Showing posts with label babies. Show all posts
Showing posts with label babies. Show all posts

Humble Bee Company in NZ Disrupts the Plastics Industry

The plastics industry could be challenged by new product developed from an Australian masked bee. The insect creates a cellophane-like substance when making its nest. A company named the Humble bee in Wellington, NZ is researching the material to determine if it can be mass produced.
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Solitary masked bee
| ★ images ★

Australiana - the Echidna

The echidna is on the list of Australiana.
A particular native mammal is everywhere in Australia. It is the great adapter. The ubiquitous echidna is its name. The Short-beaked Echidna, Tachiglossus aculeatus, is even found in the Australian Alps.  Like the anteater its has a long nose, but that is where the similarity ends. They both eat ants. The echidna has no teeth. In some ways it is like a hedgehog, using spines for defence.
Short-beaked Echidna
They have developed a way of safe mating. The male digs a trench. The female get in as does the male. The male carefully lifts the female's tail and while lying on his side pushes his tail underneath her. No harm is done by the spines.

Offspring feed by licking up milk that oozes from the mother's milk patches. They do not have nipples. Babies are born without spines. The mother pushes them away when the spines begin to grow at seven weeks. She feeds on ants and continues to return every five days to feed the young.
short-beaked, short, beaked, echidna, mammal, nipples, milk, young, babies, feed, ubiquitous

A Genetic Cause for Some With Gender Issues

Person with a gender issue
The reason why people feel that they were born in the wrong body in regard to being male or female is motivational. It can be genetic or cultural in nature. It is complicated. Like homosexuality there could be social reasons why this path is chosen. It could be enculturation as a child. On the other hand, individuals just have the feeling that behaving in such a way is natural for them.

Scientists have found that some people have an identification problem due to a genetic "condition". It is unfortunate that it has been called a disorder. An emotive argument is not needed. It has been given a name: craniosynostosis. The FGFR2 gene is mutated and causes sex reversal in the XY chromosomes.

About two per cent of the general population is born with a gender issue. This can have physical consequences such as endocrine complications, infertility or gonadal cancer. A baby born this way faces multiple surgeries. It should be noted, however, that people with a genetic cause for intersexuality number only 30 per cent of total "sufferers". Having an individual register with community-based support bodies is claimed to be beneficial, but this is unproven.
Genetics by Ty Buchanan
            Australian Blog   Adventure Australia
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sexuality intersex male female people genes genetic science new finding xy chromosomes baby cause fgffr2

Female-Only Epilepsy

Many children have a form of epilepsy that is genetic, handed down from a parent. Female-only epileptic syndrome is a case in point. It is rare but it remains a debilitating problem.  At birth babies seem to be normal, but in a few months they begin having seizures.
eEpilepsy in girls
Australian scientists have pinned down the genetic mutation responsible for its expression. Professor Gecz says that the 19 (PCDH19) gene is the mutation triggering the ailment. Females have two X chromosome which determines their sex. This duality of X triggers epilepsy in girls.

The main issue with female-only epilepsy is that it causes intellectual disability because seizures cause damage. A deficiency of the allopregnanolone hormone is the main factor in the onset of the ailment. This is an effect caused by the genetic disposition. When the hormone is brought back into balance at puberty permanent damage has already been done. The research continues.
 Economics by Ty Buchanan 
            Australian Blog   Adventure Australia
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Gary Johns is Beating His Own Drum

There are some people out there with some weird obsessions. Are they obsessive compulsives who are forcing their "sickness" on others? Maybe this is the case. Former Labor Minister Gary Johns is calling for government to tie unemployment benefits to taking the contraceptive.

It may be okay to get rid of excessive welfare payments for having babies, but just stopping income for having a child - that is stupid. In a country where population growth by Australian born is declining, it is counter productive.

This man is obviously bitter inside. He has an axe to grind and is pestering others to go along with it. Unfortunately for him few are taking much notice, apart from me with this article. With caring costs for the elderly going through the roof, children could be needed to look after the aged.

Sex and conception are not rational things. They just happen. Gary Johns' assumption that people will only have offspring when they have a job is stupid. They just do not act this way. Being intoxicated on a Saturday night and having it away is the usual cause of women falling pregnant.

This person has a thing about Aboriginals. He seems to hate them and blames them for being first on this continent. He says his plan will hit them the hardest holding that they deserve it for irresponsible behaviour. He says that many indigenous cases abound.
Politics by Ty Buchanan
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     Australian Blog                         

Menstruation is Not Happening at a Younger Age

Just when a girl has her first period is genetically based. It is determine by more that 100 parts of the the human genome. It is not affected by more good food, etc., as was once believed. Furthermore, good food intake is not making girls menstruate earlier.

Going into adulthood sooner is a danger to health. The chances of getting type 2 diabetes, cardiovascular disease and breast cancer is increased. These findings come from an international study carried out in 166 institutions.

It seems that diseases are usually limited to a few parts of the genome, while menstruation involves a surprisingly large number. It is whole-body function. Indeed, one's physical and social surroundings could also play a part in triggering genes.

Yes, a better diet has lowered the onset of menstruation from 17 years of age in the 1800s to 12.5 years in the 1960s. Since that time, however, it has remained at that point. It must be noted that many diseases that delayed the onset of periods have been significantly reduced. Many people got seriously ill from infections in times past.
Health by Ty Buchanan
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     Australian Blog                         

Part-Time and Full-Time Employment Means Fewer Babies

It is not work in general that is causing a decline in women giving birth at a young age. It is specifically temporary jobs that are responsible. In Australia part-time and casual employment has boomed over the last decade as employers see it as a way to keep costs down. Many work extra hours for no money at all, afraid of losing their jobs.

Women working full time can afford to pay for child care, or at least for critical periods when they are working. Such career women are having children before they reach the age of 35 years. There is a myth out there that it is these career women who are starting families at an older age. Oddly the effects of not working full time changes the behavior of women in the high socieconomic group as well. They may be able to afford childcare from a financial "nest egg", but it is the state of mind about not working enough and not having sufficient income for a family.

Financial security in regard to income is essential for women to even consider having children. Careers are not that important to women. This goes against all of the prevailing stereotypes. The number of years spent in part-time work had a strong impact. A year of part-time employment reduced the probability of having a baby by 35 years by 8 per cent. Five years in such work increased the rate to more than a third.

Another myth is that university graduates go straight into full-time employment. Over 60 per cent of these began working in a job with reduced hours. Therefore, high and low-skilled women suffered the same job market problem.

All economies are moving to less-secure employment to reduce production costs. This means that as the decades go by the world population will fall, confounding all predictions. Furthermore, the population in most countries will have a larger proportion of elderly people. Some of these will have to work to survive. Providing old age pensions will become too costly.
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Economics by Ty Buchanan
     Australian Blog                         

Mothers Keep the DNA of Their Sons

Mothers keep the DNA of their children in their system for a lifetime, particularly the genes of male offspring.  The DNA resides in the mother's brain.  It is not know what the overall effect is on a woman.  It was found, however, that presence of male DNA reduced the incidence of Alzheimer's.

All mammals exchange DNA in this way.  It is called fetal microchimerism and has bad effects as well as good.  While improving disease resistance it can lower autoimmune reactions.

Until recently humans were not known to have microchimerism, though other animals such as rats did.  Autopsies on middle aged deceased woman found male DNA spread throughout the brain.  A 101 year old lady had DNA present even at her advanced age.
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Higher Rates of Birth Defects With "Injected" ICSI Babies

For many years we have heard nothing but good things about test tube babies, how they are strong and grow faster, etc. Maybe the "authorities" are telling us what we want to hear, with women choosing to have children later in life.

Older women having babies had their age taken into account when measuring birth defects. If they smoked this was also given a mathematical allowance. This could be distorting the true picture.

There has been a change in the way the "art" of test tube babies is done. Today, an individual sperm is injected into an egg. In the normal fertilization process only the fastest, healthiest sperm is successful.

Evaluation of babies shows that birth defects occur in "injected" babies at a rate of 10 per cent. This compares to 6 per cent for naturally conceived babies. Couples who choose the older form of freezing embryos had normal rates of healthy babies. The attempt to get more embryos by injecting sperm, ICSI, seems to have backfired.
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The Month in Which You Are Born Affects Later Life

Horoscopes may be the formulation of words that can mean just about anything, but the month you are born in does affect your behavior. This can be taken further - the season in which you are born dictates temperament, longevity and susceptibility to disease.

Obviously a baby born in winter is liable to catch a cold. This can sometimes be life threatening. A summer baby will probably be happier and more active. Research in England shows that 17 per cent of men are obese if born from January to March. This falls to 9.4 per cent for those born from October to December. It is because winter babies lay on more fat which stays on for life.

Age does affect how we turn out, however. American tests show women under 45 who were winter babies were risk takers and became bored quickly. On the other hand Women over 45 lost their curiosity and were no longer bored, a reversal of behavior. Serotonin and dopamine level are believed to be the cause of this. These fluctuate over time.

Summer babies have a greater chance of being schizophrenic. Spring babies are generally taller. Apparently, more sunshine increases the level of melatonin in mothers which stimulates production of the growth hormone. There is a downer for spring babies: they are more likely to get multiple sclerosis. Autumn babies live longer. Furthermore, autumn and winter babies are prone to allergies.

Don't worry if you were born in winter: data is (are) just data anyway. And as many scientist will tell you - lying with statistics is common practice.
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Women Leave It Too Late to Have Children

Women are putting off having babies until they have established a career. This is not good for the child. A woman in her prime is more capable of providing the nourishment a baby needs. Bottle feeding from birth is a poor alternative. The baby does not get the antibodies the mother has and there is the danger of obesity - too much nourishment of the wrong kind. Human babies are not calves.

Older mothers rely on IVF and freezing of eggs. There has been a rush for egg freezing in recent years. Doctors don't even need to advertise the service, though many do. Women in their early twenties see it as "insurance" for putting off having a family.

There are problems, however, in relying on frozen eggs. The success rate is low. Just under half do not give birth from eggs frozen for 10 years. It is unfortunate that some are making a business out of providing a service that will disappoint many women who have left it too late to have children.
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