HURRICANE SANDY REMINDS US COMPILATION BEFORE CHAOS - Hope Before Frankenstorm

We live in difficult times, many believe that is the end of time.
Many other bielieve that this is only the beginning of a new time.
Time of awareness, respect our environment and value the people around us.
No body knows for sure will happen tomorrow.
 We can only try to be a better people today and show our best
virtues such as solidarity and love.
 MAKE A BETTER WOLRD TODAY!


  

You Can! Just stop looking at you and start looking at your side"
Hurricane "Sandy" has caused at least 21 people on its way through Haiti, Jamaica and Cuba, which still encountered heavy rain and landslides. In the Dominican Republic some 12,581 people have been evacuated, while the Bahamas and Florida (USA) remain on alert. Frankenstorm

Education Sperm Marathon 2012 - YOU ARE SPECIAL

 You are Special!

Although the world pushes you to run far away and impossible goals.
Remember, you already ran the biggest race of your life and....      YOU WON!


 

The term sperm is derived from the Greek word (σπέρμα) sperma (meaning "seed") and refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell. A uniflagellar sperm cell that is motile is referred to as a spermatozoon, whereas a non-motile sperm cell is referred to as a spermatium. Sperm cells cannot divide and have a limited life span, but after fusion with egg cells during fertilization, a new organism begins developing, starting as a totipotent zygote.[citation needed] The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell. In mammals, sperm develops in the testicles and is released from the penis.
Sperm quantity and quality are the main parameters in semen quality, which is a measure of the ability of semen to accomplish fertilization. Thus, in humans, it is a measure of fertility in a man. The genetic quality of sperm, as well as its volume and motility, all typically decrease with age.[4] (See paternal age effect.)
Market for human sperm.