Parthenogenesis

http://www.encyclopedia.com/topic/parthenogenesis.aspx

parthenogenesis [Gr.,=virgin birth], in biology, a form of reproduction in which the ovum develops into a new individual without fertilization. Natural parthenogenesis has been observed in many lower animals (it is characteristic of the rotifers), especially insects, e.g., the aphid . In many social insects, such as the honeybee and the ant, the unfertilized eggs give rise to the male drones and the fertilized eggs to the female workers and queens. It has also been observed in some snakes, fish, and monitor lizards. The phenomenon is rarer among plants (where it is called parthenocarpy) than among animals. Unusual patterns of heredity can occur in parthenogenetic organisms. For example, offspring produced by some types are identical in all inherited respects to the mother. The phenomenon of parthenogenesis was discovered in the 18th cent. by Charles Bonnet . In 1900, JacquesLoeb,

BUT, never imagined it may connect with Prophet Jesus(A.S.) and his Birth without a father....wonderful reading....

http://www.newscientist.com/article/mg14819982.300-the-boy-whose-blood-has-no-father.html

The boy whose blood has no father

• 07 October 1995 by Philip Cohen
• Magazine issue 1998. Subscribe and save

IN THE closest thing to a human virgin birth that modern science has ever recorded, British geneticists last week described the remarkable case of a young boy whose body is derived in part from an unfertilised egg. The discovery has provided a rare glimpse into the control of human development and the evolutionary changes that made sex essential for mammalian reproduction.

Parthenogenesis - development of an unfertilised female sex cell without any male contribution - is a normal way of life for some plants, insects and even lizards. Sometimes, an unfertilised mammalian egg will begin dividing, but this growth usually does not get far. The self-activated "embryo" will create rudimentary bone and nerve, but there are some tissues, such as skeletal muscle, that it cannot make, preventing further development. Instead, it becomes a type of benign tumour called an ovarian teratoma.

Why mammals should have evolved these blocks to parthenogenesis ...

Sex for 10 minutes is 'ideal'

http://www.ehow.com/how_5288242_keep-relationship-exciting-new.html

Make love often. This is a tough one to do in a relationship because work, kids, and household chores don't always leave time and energy for sex with your partner. But, sex is important in a relationship and should be made a priority. Try making a plan to make love at least twice a week: once during the week and once on the weekend. Stick to this as best you can so that you and your partner know that when to expect intimacy. While this isn't always romantic, you can make it so by turning on some soft music, lighting candles, or taking a bubble bath together. Making love will keep you and your partner close and keep the relationship new and exciting. Without sex, a relationship becomes dull and partners become more like roommates than lovers. It's important to make sex a priority so that both partners feel a connection to one another. By making love at least twice a week, you'll keep the spark a live and help your relationship to become exciting and new again.
It may come as a surprise to many people, but the most desirable length for sex is just 10 minutes, a survey of has revealed. 

A survey of 50 members of the Society for Sex Threapy and Research, who counsel and treat couples with sexual problems, said that between one and two minutes was too short, three to seven minutes was acceptable, and anything over 13 minutes was too long. 

The added that sex lasting between seven and 13 minutes was "desirable". 

Contrary to popular fantasy about the need for hours of passionate activity, sex therapists say around ten minutes is perfectly satisfactory. 

"Many men and women seem to believe the fantasy of all-night-long intercourse," the Telegraph quoted researcher Eric Corty, an associate professor of psychology at Penn State University, as saying. 

"This seems a situation ripe for disappointment and dissatisfaction.

Read more: Sex for 10 minutes is 'ideal' - The Times of India http://timesofindia.indiatimes.com/life-style/relationships/man-woman/Sex-for-10-minutes-is-ideal/articleshow/6090353.cms#ixzz14ge7klLL

Proper SEX methods. 

The missionary position. Or man-on-top is said to be the position that's best for getting pregnant. This is because this particular position allows for the deepest possible penetration, making it possible for the sperm to get deposited closest to the cervix. place her legs over your shoulders. This shortens her vaginal canal, so your penis feels bigger inside her.

Raise the hips. Elevating the hips, which can be done by placing a pillow behind her, can also be helpful because this exposes the female cervix to as much semen as the male can release. 

Orgasms. Finally, while this has nothing to do with sexual positions, there are also researches that suggest the importance of the female orgasm in conceiving. According to studies, female orgasm leads to contractions that could push sperm up into the cervix. The lesson: have fun while trying to conceive. 

Q: Is male infertility a serious threat?

A: It accounts for 40 per cent of all infertility, primarily due to sperm defects. Sometimes this is brought on by external factors like tight innerwear, very hot baths, smoking, exposure to radiation and toxic chemicals. Sometimes there's a physiological basis-diabetes, hypothyroidism or genetic aberrations.

Q: What about infertility in women?

A: I see many young women who show signs and symptoms of polycystic ovaries, a condition associated with metabolic disorders and obesity. From job pressure to vehicular pollution, postponing parenthood to sexual liberation, fast food to sedentary lifestyle, all have been linked to infertility.

Conception Timeline

A: woman's fertility peaks between age 27 and 34. That's the best time to have the first baby. The best time to get pregnant? Watch out for the narrow window of time during ovulation, two weeks into the menstrual cycle. The life of a human egg is about 36 hours, while a sperm can survive in a woman's body for about 48 hours.

30% more chances of conception every month if a couple engages in unprotected sex at least two times a week.

Myth : Daily sex increases chances of pregnancy

Reality : No it doesn't. It may, in fact, bring down sperm count on the day of ovulation.

Source: The Complete Guide to Becoming Pregnant. Dr. Firuza R. Parikh. Random House India. 2011

PLEASE READ THE FULL ARTICLE

"dihydrogen monoxide." (H2O): Dangerous Chemical!

"dihydrogen monoxide." (H₂O): Dangerous Chemical!

A student at Eagle Rock Junior High won first prize at the Greater Idaho Falls Science Fair, April 26. He was attempting to show how conditioned we have become to alarmists practicing junk science and spreading fear of everything in our environment. In his project he urged people to sign a petition demanding strict control or total elimination of the chemical "dihydrogen monoxide."

And for plenty of good reasons, since:

1. it can cause excessive sweating and vomiting
2. it is a major component in acid rain
3. it can cause severe burns in its gaseous state
4. accidental inhalation can kill you
5. it contributes to erosion
6. it decreases effectiveness of automobile brakes
7. it has been found in tumors of terminal cancer patients

He asked 50 people if they supported a ban of the chemical.

• Forty-three (43) said yes,
• six (6) were undecided,
• and only one (1) knew that the chemical was water.

The title of his prize winning project was, "How Gullible Are We?"

He feels the conclusion is obvious.

 

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