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Papers on Science and Nature
The Effect Of Concentrations Of Starch And Sugar Solutions On Synthetic Semi-Permeable Membranes
Number of words: 628 | Number of pages: 3.... about one third of the way into the tubing. 7. Tie a knot securely
around the transfer pipette. Leave the extra string. 8. Add two transfer
pipettes (two squirts) of the Gatorade solution to the tubing. 9. Add two
transfer pipettes (two squirts) of the starch solution to the tubing. 10. If you
spilled any solutions while transferring, carefully rinse the tubing. 11. Fill
the cylinder with distilled water to about 2.54 cm from the top. 12. Place the
tubing into the cylinder of water. 13. Rest the apparatus against the ring stand.
14. Note the height of the water in the tube. 15. Record the time the tube was
placed into the cylin .....
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The Koala
Number of words: 1093 | Number of pages: 4.... is used when you are talking about a baby marsupial.
The mother gives "papĀ² to the joey, a liquid from the caecum (which is similar
to the human organ, appendix.) This is thought to give the joey the ability to
eat only eucalyptus leaves. When the joey emerges from the pouch, it clings to
its mother for another seven months. The joey stays with its mother for another
three or four years, until it is fully grown.
Diet
Koalas eat eucalyptus and don't drink water. I guess that's how they
got their name. In the aboriginal language, "koala" means "no drink water."
But, the koala does drink water, only when it is ill. Out of t .....
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Dolphins
Number of words: 505 | Number of pages: 2.... dolphin species have a distinct beck where as porpoises have a more rounded shape to there head. They also have a hooked-shaped dorsal fin not fend in other specious, as will as conical teeth.
Erans explains that evolved from the Mesonychicsi, large land mammals and the earliest recognizable cetaceans lived about 50 million year ago. The earliest did not appear install the late mioceene period, Some 11 million years ago. Evans also the land animal that is new the closest to is hooted animals called Ungulates. (27)
Dolphins can be fanned in almost every sea and ocean. Each species however has its own preferred type of h .....
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Water And Its Importance
Number of words: 1880 | Number of pages: 7.... All of these things combined help to sustain life and keep it constantly evolving. In the next couple of pages, we are going to go into detail of how it does this.
Water consists of two hydrogen atoms that are joined to one oxygen atom by covalent bonds. These bonds are polar bonds. The partial charges on different parts of water molecules produce weak attractive forces called hydrogen bonds. The hydrogen bonds are formed between the hydrogen of one water molecule and the oxygen of other molecules. Due to hydrogen bonding, water molecules will stick together. In a liquid form, hydrogen bonds of water are very weak and t .....
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False Memory Syndrome
Number of words: 804 | Number of pages: 3.... dream and a real life event. But if the frontal lobes are damaged, people cannot remember where a memory came from. These people retrieve bits of memory and can't remember where they came from and could be remembering a dream. Source memory is highly prone to suggestion and if you imagine it enough and use the source of the information then you have a false memory.
With thousands of allegations of sexual abuse and incest against patients parents, this is one of the results of recovered memory therapy which may have been just victims of the fad. These results of the allegations are often devastating to the patients family who ma .....
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Human Cloning
Number of words: 599 | Number of pages: 3.... one country that were talking about. Statistics show that nearly one third of the patients on the waiting list for organs will die and even if they do receive an organ the human body has the tendency to reject organs which can cause serious illness or death. If we cloned human organs we would be eliminating a major killer of humans and if the organ was rejected by the patients body we could simply make another one to suit the patient. This would mean fewer complications, little or no waiting lists and almost no deaths because of organ shortages.
Another great reason to clone human cells is that it has the potential to cure dis .....
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Ants, Little But Mighty
Number of words: 1728 | Number of pages: 7.... emerge. It is their job to hunt
for food and make the nest bigger.
More workers will develop and the colony gets very
organized. The new workers will completely take over as
caretakers of the eggs, larvae, and pupae. Now the queens
only duty is to lay more and more eggs, thousands of them
in her lifetime. Many wingless workers develop and help to
enlarge the nest into an intricate network of tunnels and
chambers that will eventually house thousands of ants.
When the colony becomes well established, the queen
begins to lay some eggs that develop into queens and
males. It takes a few years before a colony becom .....
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Bipolar Disorder 3
Number of words: 792 | Number of pages: 3.... way out is suicide.
There are two types of bipolar, bipolar 1 and bipolar 2. Bipolar 1 is diagnosed differently than bipolar 2. Bipolar I is diagnosed when person has a manic episode and has had no depressive episodes in the past. However, after the first manic episode occurs, depressive episodes often follow. Most people (over 90%) with Bipolar I experience two or more manic episodes in their lifetimes. (site.health-center.com/brain/bipolar/basics.htm).
People with Bipolar II have depressed mood followed or preceded by a hypomanic episode. People with this type bipolar disorder never have a full-blown manic episode. Because of t .....
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Hantavirus
Number of words: 3046 | Number of pages: 12.... microscope, one could see the round microbes that were stacked in rows along the epithelial lining of the lungs (CDC website 6). Each infection still involved mild kidney infections. The same type of rodent always carried the virus, and people came in contact with the microbes through skin exposure or inhalation of infected animal feces or urine. Research continued on this virus and in 1981, it was first cultured in human cells.
Many people were worried that since the virus was so prevalent in Korea that it possibly could be spread easily from boat to new land through trade. When rats were tested in various harbors throughou .....
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Mars:
Number of words: 736 | Number of pages: 3.... for scientists to blueprint a credible and step-by-step search for life on the Red Planet. Without the pressure to return Martian samples to Earth any time soon, new schemes for automated, on-the-spot detection of past or present Mars life can be flown.
Recently, two probes were sent back and they made it to Mars. They landed on the South Polar Caps of Mars. That is where NASA plans to find water. After landing on Mars, the probes extracted water like crystals from the surface of Mars. They found that there was a small amount of water in the crystals, which means that there is a strong chance that life, was on Mars at one tim .....
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