When a child is born the process of of creation is repeating itself billions and billions of times as billions of children were born on Earth from the
beginning of the human race.
From the first whimper till the last breath it's evolution.
The important process of learning is happening during the 9 months of pregnancy.
The average length of time for prenatal development is 38 to 40 weeks after conception. During this time, a baby will develop from a nearly
invisible group of cells to a full-term infant. Prenatal development is divided into three stages: the germinal stage, the embryonic stage, and the
fetal stage. Occasionally, there are physiological or environmental factors that can hinder normal prenatal development.
The germinal stage marks the very beginning of a pregnancy. During this stage, a sperm and egg combine, and the newly fertilized egg, known as a
zygote when it is just one cell, will travel to the uterus where it will implant and undergo cell division. During cell division, the cells will
develop into a blastocyst, which is made up of three layers: the ectoderm, endoderm, and mesoderm. These layers will become the skin and nervous
system, the respiratory and digestive system, and the musculo-skeletal system, respectively. The end of this stage is marked by implantation of the
blastocyst on the uterine wall.
The correct answer may surprise you. You may even find it implausible – though it’s supported by the latest research from biology and
psychology. And that is that some of the most important learning we ever do happens before we’re born, in the womb. When we hold our babies for the
first time, we might imagine that they are clean slates, unmarked by life – when in fact they have already been shaped by us, and by the particular
environments we live in.
First of all, they learn the sound of their mothers’ voices. Because sounds from the outside world have to travel through the mother’s abdominal
tissue and through the amniotic fluid that surrounds the fetus, the voices fetuses hear, starting around the fourth month, are muted and muffled. One
researcher says that they probably sound a lot like the voice of Charlie Brown’s teacher in the Peanuts cartoons. But the pregnant woman’s own
voice reverberates through her body, reaching the fetus much more readily, and because the fetus is always with her, it hears her voice a lot. Once
it’s born, it recognizes the sound of her voice, and it prefers listening to her voice over anyone else’s.
How can we know this? Newborn babies can’t do much, but one thing they’re really good at is sucking. Researchers in these experiments rigged up a
pair of rubber nipples so that if the baby sucks on one, it hears a recording of its mother’s voice through a pair of headphones. If it sucks on the
other nipple, it hears the voice of a female stranger. Babies quickly make their preference known by choosing the first one.
Now, it turns out that fetuses are learning even bigger lessons. But before we get to that, let’s address something you might be wondering about.
The notion of fetal learning may conjure up for you attempts to enrich the fetus, like playing Mozart through headphones placed on a pregnant belly.
Actually, the nine-month-long process of shaping and molding that goes on in the womb is a lot more visceral and consequential than that. Much of what
a pregnant woman encounters in her daily life – the air she breathes, the food and drink she consumes, the chemicals she’s exposed to, even the
emotions she feels – are shared in some fashion with her fetus. They make up a mix of influences as individual and idiosyncratic as the woman
herself. The fetus incorporates these offerings into its own body, makes them part of its flesh and blood. And, often, it does something more: it
treats these maternal contributions as information, as biological postcards from the world outside.
A year after 9/11, researchers examined a group of women who were pregnant when they were exposed to the World Trade Center attack. In the babies of
those women who developed post-traumatic stress syndrome, or PTSD, following their ordeal, researchers discovered a biological marker of
susceptibility to PTSD – an effect that was most pronounced in infants whose mothers experienced the catastrophe in their third trimesters. In other
words, the mothers with post-traumatic stress disorder had passed on a vulnerability to the condition to their children while they were still in
because there is in human life a pick where the bilogical evolution stops and we begin to age.
According to scientists, our mental abilities begin to decline from the age of 27 after reaching a peak at 22.
The researchers studied 2,000 men and women aged 18 to 60 over seven years. The people involved – who were mostly in good health and well-educated
– had to solve visual puzzles, recall words and story details and spot patterns in letters and symbols.
The study of aging - gerontology - is a relatively new science that has made incredible progress over the last 30 years. In the past, scientists
looked for a single theory that explained aging. There are two main groups of aging theories. The first group states that aging is natural and
programmed into the body, while the second group of aging theories say that aging is a result of damage which is accumulated over time. In the end,
aging is a complex interaction of genetics, chemistry, physiology and behavior.
Young/prime adulthood can be considered the healthiest time of life' and young adults are generally in good health, subject neither to
disease nor the problems of senescence. Biological function and physical performance reach their peak from 20–35 years of age, waning after 35.
Strength peaks around 25 years of age, plateaus through 35 - 40 years of age, and then declines. Flexibility also decreases with age throughout
adulthood. However, there are large individual differences and a fit 40-year-old may out-compete a sedentary 20-year-old.
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