Does Ernest Hemingway appear to draw on personal experience in the way he captures the controversial themes in "A Clean, Well-Lighted Place"?

This is a dangerous question in that it assumes that the action taking place in the story is autobiographical to the author. That said, you can argue that Ernest Hemingway draws on his experiences in The Great War (World War I to most of us) to examine the nihilistic themes present in this story.

The story's climactic moment comes when the older waiter, who has been patient with the old deaf man who had tried to commit suicide the previous week, is having a drink of his own and recites his version of "The Lord's Prayer." The older waiter, who we can assume either served in The Great War or was at least affected by it, replaces most of the meaningful words with "nada," which is Spanish for "nothing." Here's an example (the replaced words are in brackets): 

"Our nada [Father] who art in nada [heaven], nada [hallowed] be thy name thy kingdom nada [come] thy will be nada [done] in nada [earth] as it is in nada [heaven]..."

Hemingway, who served in The Great War, often writes about the emptiness of the war and the feelings of hopelessness that came as a result. The war is what inspired thousands of Americans, Hemingway included, to flee the United States to live as disillusioned expatriates in France drinking much of their time away. It is what led Hemingway to write The Sun Also Rises, a novel about Americans disillusioned after The Great War. It is often considered Hemingway's most autobiographical work of fiction.

These themes of disillusionment and hopelessness that Hemingway explores in "A Clean, Well-Lighted Place" definitely shares some autobiographical roots with Hemingway, but, more importantly, they explore the themes predominant in the era immediately following the war.

In Call It Courage by Armstrong Sperry, do Kivi and Uri share boar meat?

The answer to this question can be found on p. 68 of Call It Courage.  There, the author at least implies that Uri will share in the meat of the boar, but he clearly states that Kivi does not eat the meat.

On p. 66, Mafatu kills the boar with the spear that he has made.  He cleans the pig and stuffs it on p. 67 and puts it into the underground oven that many Pacific island cultures use to cook things like pigs.  On p. 68, the author tells us about the actual feast.  He does not specifically tell us that Uri had any of the boar meat.  However, he does imply that Uri will.  He says that, as the boar cooked, “Uri leaped about, sniffing at the delicious odors, barking his delight.  Pork! … how good it would taste!”  From this, it is clear that Mafatu is going to give Uri some of the meat even though, later on the page, the author describes Mafatu eating but does not specifically describe him giving any food to Uri.

On the other hand, it is clear that Kivi, the albatross, will not eat any boar meat.  On p. 68, he says “Kivi, no meat eater, looked on calmly…”  He goes on to say that Kivi would “join in the feast” by eating a coconut that Mafatu would split open for him.  From these quotes, we can see that Uri almost certainly does eat the boar meat but that Kivi does not.

How is the information in the flashback in Chapter 2 important to the current plot of The Outsiders?

The flashback of Johnny’s beating is relevant because the same boys threaten them again.  The flashback foreshadows the reappearance of the car.  

Johnny and Pony make friends with some girls at the movies.  There is nothing unusual about this, except that these are greaser boys and Soc girls.  The girls know that their boyfriends will be jealous and angry if they see them with greasers.  

Pony flashed back to Johnny’s condition after he was jumped because this is what he thinks of when he thinks of Socs and greaser.  Bob and his friends once jumped Johnny, beating him badly. It traumatized Johnny.  He was already sensitive, but the experience left him even more fragile. 

"There was a whole bunch of them," Johnny went on, swallowing, ignoring Soda's command. "A blue Mustang full... I got so scared..." He tried to swear, but suddenly started crying, fighting to control himself, then sobbing all the more because he couldn't. (Ch. 2) 

When the girls see the blue mustang, they know there could be trouble.  Johnny recognizes this blue mustang too.  Johnny, Pony, and Two-bit get ready to fight.  Two-bit hands Pony a broken bottle, and Johnny fingers his switchbade.  Seeing the car makes Johnny go into a panic.

Johnny was breathing heavily and I noticed he was staring at the Soc's hand. He was wearing three heavy rings. I looked quickly at Johnny, an idea dawning on me. I remembered that it was a blue Mustang that had pulled up beside the vacant lot and that Johnny's face had been cut up by someone wearing rings... (Ch. 2) 

Cherry temporarily defuses the situation by telling the boys that they will leave with them.  That is the end of it for then.  Unfortunately, the Socs are still cruising later that night when Johnny and Pony are in the park, and they attack.  Johnny kills Bob.

What is the Paramyxoviridae?

Definition

The Paramyxoviridae is a virus family containing single-stranded,
negative-sense RNA (ribonucleic acid), with a helically symmetrical nucleocapsid.
The viruses cause a variety of highly contagious and virulent diseases in mammals
and birds. However, several previously unknown paramyxoviruses have emerged to cause fatal disease in
humans and nonhuman animals.

Natural Habitat and Features

Viral particles consist of a single helical strand of RNA, contained within a
lipoprotein envelope, a nucleocapsid, and a matrix protein. Typically,
paramyxoviral particles are spherical to pleomorphic, ranging from 150 to 200
nanometers (nm) in diameter and 1,000 to 10,000 nm in length. The nucleocapsid is
between 600 and 1000 nm, depending on the genus. The genome of paramyxoviridae is
made up of an RNA molecule between 15,200 and 15,900 nucleotides long, comprising
six genes for six proteins.

Viral particles enter the host cell by binding with the cell using a binding hemagglutinin (H) protein. They fuse the viral envelope with the host cell membrane, facilitated by a fusion (F) protein. Viral particles enter the cytoplasm, where negative-sense RNA genes are turned into messenger RNA, then to nucleocapsid proteins. A positive-sense RNA template is then used to produce more viral RNA.

Paramyxoviruses often produce an excess of nucleocapsids that form large
inclusion bodies in the host cells. Individual viruses escape the cell by pushing
through the cell’s membranes to form envelopes from the host cell membrane.
Paramyxovirus F proteins fuse host cell membranes, which can cause multiple host
cells to fuse and form a large, multinucleated syncytium.

Paramyxoviruses do not remain viable for long in the environment, depending
instead upon being spread by direct contact between carriers and
susceptible persons. Contact is usually through respiratory droplets, and the
viruses attack the respiratory system initially and preferentially. As direct
contact between susceptible persons is necessary for the survival of
paramyxoviruses in populations, diseases caused by these viruses tend to
proliferate in areas that are densely crowded, such as in cities.

Pathogenicity and Clinical Significance

Diseases caused by paramyxoviruses include what were once called the childhood
diseases: measles and mumps. In addition, common respiratory
illnesses such as respiratory syncytial virus and parainfluenzavirus, the cause of
childhood croup, are caused by paramyxoviruses. Paramyxoviruses also lead to
devastating animal illnesses, such as canine distemper, rinderpest
and Newcastle disease; new viruses have emerged to cause fatal infections in
humans in Australia, India, Bangladesh, and Malaysia, and to cause massive
die-offs of seals and porpoises.

Measles is perhaps the best known of the paramyxoviruses. Measles is considered
one of the most highly contagious diseases known, causing disease in more than 90
percent of exposed persons. Measles is usually self-limiting, causing an initial
fever, respiratory illness, and a generalized rash, all resolving within fourteen
days. Still, as many as 1 in 20 children develops pneumonia,
and 1 child in 1,000 contracts encephalitis, which can lead to
permanent deafness, retardation, or death.

Vaccination has made measles rare in developed nations, but malnutrition, particularly vitamin A deficiency, keeps measles a serious threat in developing nations. An estimated 10 million cases of measles occur each year, with 197,000 deaths, mostly among children younger than age five years.

Respiratory syncytial virus is the most common cause of lower respiratory tract
disease worldwide, and estimates show that all children will have had RSV
infection by their second birthday. Parainfluenza viruses are included among
viruses that cause the common cold, and they are second only
to RSV in number of infections. Like RSV, parainfluenza viruses can also cause
more serious infections in the lower respiratory tract (lungs) and can cause croup
in children and in the elderly.

Mumps is a virus that causes a localized swelling of the parotid salivary
glands. In some cases, the virus will cause testicular swelling that can lead to
infertility, particularly in young men. Two new viruses have emerged in the early
twenty-first century to form a new class of paramyxovirus. Hendra virus and nipah
virus originated in bats and jumped to domestic animal species and then to humans,
causing encephalitis and a high rate of fatalities in affected persons.

Drug Susceptibility

No antiviral therapy exists that is effective against the paramyxoviruses. Treatment for any paramyxovirus disease is supportive. Vaccination has been shown to be an effective and long-lasting preventive measure for most paramyxoviral diseases.

Bibliography

Lamb, Robert A., and Griffith D. Parks. “Paramyxoviridae: The Viruses and Their Replication.” In Fields’ Virology, edited by David M. Knipe and Peter M. Howley. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2007.

Schaffer, Kirsten, Alberto M. LaRosa, and Estella Whimbey. “Respiratory Viruses.” In Cohen and Powderly Infectious Diseases, edited by Jonathan Cohen, Steven M. Opal, and William G. Powderly. 3d ed. Philadelphia: Mosby/Elsevier, 2010.

Strauss, James, and Ellen Strauss. Viruses and Human Disease. Burlington, Mass.: Elsevier, 2008.

What do the witches represent thematically in Shakespeare's Macbeth?

In the first scene of the play, when the Weird Sisters discuss their plan to meet with and deceive Macbeth, they initiate one of the play's most important motifs.  Together, they chant, "Fair is foul and foul is fair / Hover through the fog and filthy air" (1.1.12-13).  We see this motif resurface many times throughout the play, such as when Lady Macbeth tells her husband to look like a flower but be the serpent under it, or when Duncan admires the look of the Macbeths' home not realizing that he will be killed there that night.  This motif leads to the theme that appearances can be deceiving. 

Also, we know the Weird Sisters to be vindictive and malicious (especially from the one witch's dealings with the woman who would not share her nuts), and they as much as admit to the fact that they seek to deliberately manipulate Macbeth with the statement quoted above.  Such manipulation is only possible when Macbeth is free to make his own choices and is not the pawn of fate, as some might have it.  Therefore, the Weird Sisters also help to illuminate the theme that we are responsible for the choices we make because they are not governed by fate.

What does a positive TORCH test mean, and how might it contribute to low weight gain in newborns?

The TORCH test isn't just one test; it's actually a screening for multiple possible infections. These include toxoplasmosis, rubella, cytomegalovirus, herpes simplex, HIV, and sometimes syphilis. The TORCH test is routinely used to screen infants for infectious disease, and a positive result might indicate that the baby has any one of these conditions.

In order to really understand why this might contribute to your baby's low weight gain, you need to know specifically which infection your baby has tested positive for. Did your baby's physician or nurse say which illness your baby has? Did they offer any treatment recommendations? If not, you should call the hospital where your baby was born or the pediatrician your baby visits and ask what the doctor recommends.

Be sure to keep track of any symptoms your baby might be presenting. How does the baby sleep? Do they eat well? Are they experiencing loose stools or constipation? Does your baby run a fever often? Is there any swelling in the body? Does the baby have a rash?

When infants are unable to put on weight, it is usually the result of not receiving enough food or poor absorption as a result of chronic loose stools. I will provide some links below with full lists of the symptoms of illnesses which are screened for by the TORCH test. Feel free to read these webpages to help you keep track of what symptoms your baby may or may not have, and read about appropriate treatments.

Toxoplasmosis.

Rubella.

Cytomegalovirus.

Herpes simplex.

Human Immunodeficiency Virus (HIV). 

Syphilis. 

What materials are needed for separating water and sand?

Sand is insoluble in water and is heavier than water. That is why, when we mix sand in water, it does not dissolve and ultimately settles down. We can keep the mixture out in the sun or heat it to remove the water. We can also remove the supernatant (overlying liquid or water over the sand) with the help of a pipette and dry the remaining mixture in a laboratory oven. Sand would be the leftover matter in each of these cases. If we need to recover the water, we can collect the water vapors during the heating process and condense them.

Thus, the materials that are needed for separating sand and water are:

• a vessel or beaker to keep the solution


• Something to heat it: Bunsen burner or laboratory oven or sunlight


• An arrangement to collect water vapors.

As we can see, the separation of sand and water is a really easy process.

Hope this helps.