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Biological

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Fetol Development During Second Trimester
Fetal Development

Fetal Development: Second Trimester

Weeks 14 Thru 16 – Gestational Age (Fetal Age – Weeks 12 Thru 14):

The fetus’s skin is transparent and a fine hair called lanugo begins to form on the head. The fetus begins sucking and swallows bits of amniotic fluid. Fingerprints which individualize each human being have now developed on the tiny fingers of the fetus. Meconium is made in the intestinal tract and will build up to be the baby’s first bowel movement. Flutters may be felt in the mom’s growing abdomen, as the fetus begins to move around more. Sweat glands have developed, and the liver and pancreas produce fluid secretions. The fetus has reached 6 inches in length and weighs about 4 ounces.

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Fetal Development: First Trimester The First Trimester Of Pregnancy

Fetal Development: First Trimester

The First Trimester Of Pregnancy

Week 1 & 2 – Gestational Age

Your menstrual period has just ended, and your body is getting ready for ovulation. For most women, ovulation takes place about 11 – 21 days from the first day of the last period. During intercourse, several hundred million sperm are released in the vagina. Sperm will travel through the cervix and into the fallopian tube.

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How to raise a child
Raising Child

CHILD RAISING

 

Marianne Hardwick was timid and unadventurous, her vitality consumed by physical activity and longing, her intelligence by indecisiveness, but this had less to do with the innate characteristics of the weaker sex (as her father, Creighton Montgomery, called it) than with the enfeebling circumstances of her upbringing.

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The human body and the ocean
The ocean in the humanbody

THE OCEAN vs. THE BODY
The ocean cannot be dissociated from any of our problems. Though not always given proper credit, it is nonetheless a vital factor in the ‘production’ of climate, storms, agriculture, health, war and peace, trade, leisure, and creative art. It is not merely a weather-regulating system and a source of food, cattle feed, fuel, and minerals.

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Different animals and different brains
The different aspects of the brains

BRAINS

It is interesting to compare the brain of a very large dinosaur with the brain of an equally large modern mammal like the whale. The largest dinosaurs weighed as much as 100 tons. Whales also weigh as much as 100 tons and are, as the dinosaurs were in their time, the largest animals alive today.

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Ten tips to live a hundred
To be a hundred

HOW TO LIVE TO BE A HUNDRED

For adults who remain physically childlike in old age, there has to be a sustained enthusiasm for some aspect of life. People who want a long life with an alert old age should never retire. If they are forcibly retired, they should immerse themselves in some new, absorbing activity.

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Emotional Quality
Emotional Intelligence

EMOTIONAL INTELLIGENCE

The phrase emotional intelligence was coined by Yale psychologist Peter Salovey and the University of New Hampshire’s John Mayer five years ago to describe qualities such as understanding one’s own feelings, empathy for the feelings of others and ‘the regulation of emotion in a way that enhances living’. Their notion is about to bound into American conversation, handily shortened to EQ, thanks to a new book, Emotional Intelligence (Bantam) by Daniel Goleman.

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Killer Virus - Calicivirus
Killer Virus

ESCAPE OF A KILLER VIRUS

Two years ago, on a remote island off the coast of South Australia, government scientists began testing a form of biological warfare. Under supposedly tight quarantine restrictions, researchers on Wardang Island introduced the calicivirus into animal test groups. Death from this particular infectious agent is swift.

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Chernobyl Trouble
Chernobyl Disaster

CHERNOBYL

One of the most disturbing predictions following the near meltdown of the Chernobyl nuclear power plant on April 26, 1986, was that cancer cases would eventually begin to rise in areas where fallout from the accident landed.

What no one suspected was that it would happen so soon, or that many of the first victims would be children. Two reports in Nature, one by the World Health Organisation and one by health officials in Belarus, the ex-Soviet Republic immediately downwind from Chernobyl, indicate that childhood thyroid cancer has jumped from an average of four cases a year to about 50.