Tar spot in the spotlight

Ever had one of those days where you coughed or perhaps hacked up a loogie and saw something frightening? Some blood in the spit? Bloody sputum otherwise known as blood in spit can be a little scary at first—seeing streaks of blood in any bodily fluid is a bit unnerving.

But is it really a sign of doom? Does it mean you need to see a doctor immediately or could bloody spit be something non-life threatening? Unfortunately, blood in saliva causes are fairly numerous. The causes can range from issues in the mouth to problems in the intestines. Your blood in saliva symptoms could be related to several underlying medical conditions.

That being said, there a few things that cause blood in saliva that you should be aware of. Bloody spit can be caused by any one of a number of infections. Some of the more common infections include bacterial infections especially those around mouth, nose, and throatgum disease, and gingivitis. More serious infections like syphilis and gonorrhea can also cause bloody spit. Viral infections like chicken pox and herpes can also cause blood in the spit.

On rare occasions, fungal infections can be a cause as well. Injury and trauma can also be behind your bloody spit, especially if that trauma is in the mouth area. Dental surgery; a bite inside of the mouth; or chemical trauma caused by chewing tobacco, smoking, and caustic chemicals may be to blame. Unfortunately, cancer can lead to blood in the saliva. This is especially true in cancers of the oral variety, but leukemia and lymphoma can also be behind it.

Sometimes a lack of proper nutrition will cause issues that lead to blood in your spit.

Rap Skillz - Rap Battle - Spit VS Jantar

Scurvy and anemia can both cause blood in the spit. So, those are some spitting blood causes. Are you in for some serious health issues due to the blood in the spit? The answer is maybe. It really depends on what it is causing the blood into your spit. Regardless of the cause, blood in the spit is a sign that something is going wrong and needs to be looked at by a doctor for a proper diagnosis. The first thing the doctor will go over with you is your health history.

This will rule out or rule in the potential causes of your bloody sputum before a physical examination. This will usually be followed by a physical exam. This can include listening to the lungs, listening for a rapid heartbeat, X-ray, CT scan, and bronchoscopy. Depending on the results, the doctor may also want blood samples to test for infections and diseases.

Once the examinations are done and a diagnosis has been reached, treatment can begin. Your spitting blood now has a cause thanks to an examination and diagnosis; the next step is treatment.Learn more about corn tar spot and its recent history in Michigan, the outlook and management options. Tar spot is caused by the fungus Phyllachora maydis and can be identified by the raised, black spots that appear on corn leaves and husks.

Surrounding some of the black spots may also be a tan halo, which is called a fish-eye lesion. Each one of those black tar spots is the reproductive structure of the tar spot fungus, which can produce thousands of spores. Research has demonstrated that the tar spot fungus can overwinter in those black spots, releasing spores the next year.

Frass will rub off the leaf with some water while tar spot structures will be embedded in the leaf and often protrude through the underside of the leaf. Tar spot pressure in was significant with losses of up to 50 bushels per acre. Frequent rainfall in and increasing disease inoculum load in the region led to those dramatic losses. The season saw a much drier July and August, which put the brakes on tar spot and resulted in much lower loses.

Although tar spot pressure was relatively light across Michigan inthe disease did continue to spread and is now present across most of our corn acres.

Cool, humid conditions with prolonged leaf wetness can lead to higher tar spot pressure in fields. Windy and rainy conditions may also spread spores to new fields, or new areas within a field. Irrigators should be careful that they do not promote tar spot with light frequent irrigation which may increase leaf wetness events.

Tar spot has been found in early July in some years. There are no hybrids currently available that are completely resistant to tar spot, but some varieties may have more resistance than others. Testing of several fungicides is underway across the state and the Midwest for managing tar spot.

tar in spit

One of the biggest factors for successful tar spot suppression is application timing. To date, early applications at the V8 growth stage are too early and provide little benefit.

Research this season is going to focus on optimizing fungicide timing. It appears that scouting is critical to get fungicide applications at the beginning of an epidemic. Feel free to reach out to get assistance in identifying tar spot.Black or dark phlegm or mucus can be particularly distressing, and for good reason. It can often signal a serious disease or exposure to unhealthy pollutants. Mucus serves an important purpose. It protects and lubricates your nasal passages and other cavities in the body, and it can help prevent infection and help clean out your airway passages.

Phlegm can be a symptom of disease, and it can be caused by bacteria, viruses, and other unwanted cells. It can also occur with serious lung conditions. If you ever cough up black phlegm, see a doctor as soon as possible. The discoloration may be temporary, caused by exposure to smoke or dirt in the air, or it could be due to a respiratory infection. Black phlegm could also be caused by a more serious condition, such as lung cancer.

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A prompt medical evaluation is important. When you see a doctor about black phlegm or mucus, you should think about whether any of the following things apply to you:.

Everything you inhale finds a home somewhere.

tar in spit

Oxygen, for example, makes its way first into your lungs and then into your bloodstream, where it keeps your organs and muscles healthy. But not everything you breathe in can be put to use in a healthy way. Breathing in air pollutants can cause mucus to turn black. Particles of dirt or industrial chemicals can settle in the airways, darkening the color of mucus and phlegm.

Bloody Sputum (Blood in Spit): Causes and Treatment

When you travel to a place with heavy pollution and poor air quality, you may see changes in your mucus. Once your exposure to airborne pollutants ends, your phlegm should soon return to its normal color.

The chemicals in cigarettes and other smoking implements lodge in your airways, turning mucus and phlegm dark. Smoking also causes phlegm to thicken in your lungs, triggering more coughing.

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One reason for this buildup is that smoking can damage or destroy the cleaning mechanism of the lungs — the hairlike cilia that line the lungs. This allows phlegm to clog your airways.

Smoking is, of course, also a risk factor for lung cancer, a wide variety of other cancers, heart disease, and most other respiratory problems. However, black mucus and phlegm can also be caused by exposure to other workplace irritants, such as asbestos and silica. The smoke from large fires can deposit soot in your airways, turning your mucus and phlegm black. Wearing a special mask over your nose and mouth when exposed to a large fire or polluted air can help prevent irritants from settling in your airways.

Diseases that affect your respiratory system can cause many changes in the color and thickness of your mucus. You may be at greater risk of fungal infection if you have a compromised immune system.

Going through cancer treatment, for example, or having an autoimmune disorder such as rheumatoid arthritis can weaken your immune system, making you more susceptible to infections.

The types of fungus that can be breathed in and cause an infection are often found in hot climates, such as the desert Southwest or the tropics. The airway irritation caused by an infection may even cause some bleeding, which can turn mucus a reddish brown or black. Tuberculosisor TB, is a highly contagious bacterial infection. In addition to dark phlegm, other signs of TB include a nagging cough that lasts for weeks, chest pain, weight loss, night sweats, and coughing up blood.

Pneumonia is an infection of the air sacs in the lungs, and it often leads to fluid buildup in one or both lungs. Pneumonia is a potentially fatal condition. It can be a difficult disease to treat because it may be caused by a wide range of bacteria, viruses, and other organisms. In addition to dark mucus, other signs of pneumonia include chest pain, shortness of breath, coughing, fever, and fatigue.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

It only takes a minute to sign up. I need to backup a fairly large directory, but I am limited by the size of individual files. I'd like to essentially create a tar.

Clonezilla does something similar to this by splitting image backups named like so:. Is there a way I can do this in one command?

I understand how to use the split command, but I'd like to not have to create one giant archive, then split it into smaller archives, as this would double the disk space I'd need in order to initially create the archive.

If you happen to be trying to split the file to fit on a FAT32 formatted drive, use a byte limit of For example:. Sign up to join this community. The best answers are voted up and rise to the top. Create a tar archive split into blocks of a maximum size Ask Question. Asked 7 years, 9 months ago. Active 2 months ago. Viewed k times. Clonezilla does something similar to this by splitting image backups named like so: sda1.

Naftuli Kay Naftuli Kay 31k 72 72 gold badges silver badges bronze badges. A related question: superuser. Active Oldest Votes. When you want to extract the files use the following command as of Naftuli Kay commented : cat sda1. G-Man Says 'Reinstate Monica' How can I then extract the archive?

Will cat sda1. Yes, it should. Without verbose, just do tar czf I see no benefit of the verbose output here by v. Erik Kaplun Erik Kaplun 3 3 silver badges 8 8 bronze badges. Aydin K. Sergey Romanovsky Sergey Romanovsky 3 3 bronze badges. I haven't downvoted your answer, because I am happy to see one that uses -M --tape-length. However, this answer does ignore the OP's request for a solution that uses gzip or bzip2 compression.

Caution: you are not talking about tar but rather about a tar clone called gtar GNU tar. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.Coughing up black "stuff" from the lungs is apparently common in marijuana smokers, according to this discussion.

How to Split Large ‘tar’ Archive into Multiple Files of Certain Size

There is clinical evidence that frequent cannabis is associated with a cough and increased sputum production, especially in the morning just like many participants in the discussion reported.

The stuff coughed is black or darker color, such as dark green, dark yellow, or dark brown, as several other participants noted. Even teens who smoke cannabis reported this. Quitting marijuana didn't help. One participant said that the problem with coughing up black phlegm from his lungs persisted even after he stopped smoking. According to several studies, increased production of phlegm and coughing up sputum may continue long after quitting smoking, either tobacco or cannabis.

Several participants also noted a slight chest pain, which could be associated with a strain from coughing, but also from a more serious underlying condition caused by smoking.

So, was it resin or tar? The resin is a sticky brown or black substance that is a byproduct created from ash, tar, and carbon in the process of combustion, so everyone is right because the tar is a component of resin.

Resin builds up on the pipes, as well as your bronchial tubes. Several participants noted that black or darker color of coughed-up phlegm is because of blood that comes from irritated or inflamed airways.

Others claimed that long-term smoking of any substance tobacco or cannabis can lead to things like chronic bronchitis where you could still be coughing up sputum for the rest of your life. One participant said that any combustible inhalant can kill you. This brought an issue of the harmful properties of cannabis. Some said that marijuana does have some health benefits, but that smoking it can do more harm than good.

tar in spit

One participant said that depending on how you smoke your weed it can actually be more harmful than cigarettes because those who smoke cannabis inhale most of the chemicals found in tobacco and in almost equal quantities. Some claimed that marijuana can cause lung cancer, just like cigarettes. Marijuana, also known as cannabis is the second most commonly smoked substance after tobacco.

There are, however, some recent studies claiming that cannabis is harmful to your health, particularly if you have lung disease or other medical conditions. The health effects of marijuana are determined in large part by how it's consumed. The most common form of administration of cannabis either recreational or medicinal is through inhalation smoking or vaporizing.

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Cannabis is most commonly smoked using pipes, bongs, paper-wrapped joints, blunts, and other devices including those that heat or vaporize marijuana. Marijuana can also be consumed through dozens of different products including candies, brownies, gummies, tinctures, beverages, and many more. Any smoke is harmful to lung health. Smoke from marijuana is no different. Moreover, cannabis is typically smoked different than tobacco.

Marijuana smokers tend to inhale more deeply and hold their breath longer than cigarette smokers, which leads to a greater exposure per breath to tar and other harmful substances.

Unlike the proven harmful effects of secondhand cigarette smoke, there is not enough data on the health consequences of breathing secondhand marijuana smoke. However, there is concern that it could cause harmful health effects, especially in children who may inhale it.A tar pitor more accurately an asphalt pit or asphalt lakeis the result of a type of petroleum seep where subterranean bitumen leaks to the surface creating a large area of natural asphalt. Animals usually cannot escape from the asphalt when they fall in, making these pits excellent places to excavate bones of prehistoric animals.

The tar pits can trap animals because the asphalt that seeps up from underground forms a bitumen pit so thick that even mammoths could not free themselves before they died of starvation, exhaustion from trying to escape, or exposure to the sun's heat.

Trapped animals may also create a predator trapluring carnivores to the same fate. Over a million fossils have been found in tar pits around the globe. Living bacteria have been found in the La Brea Tar Pits. These organisms have been shown to be strains of previously undiscovered bacteria. They have been able to survive and thrive in an environment with little water and little to no oxygen. Scientists started looking for the bacteria when they noticed bubbles of methane coming out of the tar pits.

Other microorganisms have been found living in microliter-sized droplets of water recovered from Pitch Lake in Trinidadincluding bacteria from the orders Burkholderiales and Enterobacteriales. Helaeomyia petroleithe petroleum fly, spends its larval stage within the tar pit.

From Wikipedia, the free encyclopedia. Asphalt pit or asphalt lake. For other uses, see Tar pit disambiguation. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Main article: List of tar pits. Geological Society of Trinidad and Tobago. Archived from the original on January 31, Retrieved August 28, By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I need to compress a large file of about GB. I need to split it into several files of around 1GB per file. I searched for a solution via Google and found ways using split and cat commands. But they did not work for large files at all. Also, they won't work in Windows; I need to extract it on a Windows machine. You can use the split command with the -b option:. It can be reassembled on a Windows machine using Joshua 's answer.

Edit : As Charlie stated in the comment below, you might want to set a prefix explicitly because it will use x otherwise, which can be confusing. Edit : Editing the post because question is closed and the most effective solution is very close to the content of this answer:.

This solution avoids the need to use an intermediate large file when de compressing.

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Use the tar -C option to use a different directory for the resulting files. Learn more. Split files using tar, gz, zip, or bzip2 [closed] Ask Question.

Asked 11 years, 3 months ago. Active 1 year, 3 months ago. Viewed k times. Aka Aka 2, 4 4 gold badges 17 17 silver badges 11 11 bronze badges.

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I feel your pain but this doesn't seem to be programming related. Many compression programs e. This belongs on superuser.

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