In a previous video by NurdRage, he showed you how to make manganese sulfate ("How to make MnSO4 from MNO2 (two separate ways)"), but there can be situations where the iron in the precursor would carry over and contaminate the product. Recrystallization doesn't work for this high level of contamination, so a different approach is needed.
Nitrile exam gloves are the latest in disposable medical glove technology. They withstand stress well and won't trigger latex allergies, making them a great choice for first aid work. Watch this video to learn how to remove them properly, ensuring that your skin is not contaminated by whatever you were trying to keep off them with the gloves.
More bad news for patients who have undergone heart surgery in the past five years. A new study suggests about one-third of heater-cooler units used in cardiac procedures remain contaminated with a slow-growing, potentially fatal bacteria.
Norovirus outbreaks occur all year long, but peak in the winter months, which means we are in the middle of norovirus season. But there's still time to protect yourself from the highly infectious bug.
Check out this instructional printmaking video that demonstrates how to prepare a screen print. Even though they're brand new, they're contaminated by fingerprints, oil and greases that penetrate as mesh. So follow the simple step by step instructions in this printmaking tutorial to prepare your screen prints.
Hospitals are places we go to get well, and we don't expect to get sick or sicker there. But a study from researchers at the Cleveland Clinic, Case Western Reserve University School of Medicine, and Cleveland VA Medical Center in Ohio found that hospital floors in patient rooms were frequently contaminated with healthcare-associated pathogens—often dangerous multi-drug resistant bacteria.
A robust appetite for imported foods is leading to increased disease outbreak in the US. Despite the locovore and slow food movements, America's demand for foreign foods is picking up. According to a study published in the journal of Emerging Infectious Diseases, demand for imported fresh fruits, vegetables, and seafoods has jumped in recent years.
Even if your cat drives you a little nuts, don't worry, because a new study says that cats pose no risk to your mental health.
This how to video demonstrates how to do sterile gloving. Watch and learn how simple it is to wear gloves without contaminating them. Always make sure you are working in a sterile field and that you have washed your hands prior to wearing the gloves.
Protect yourself while doing first aid procedures on an injured person by using gloves. Vinyl gloves are usually preferred over latex gloves because many people are allergic to latex. Watch this first aid video tutorial to learn how to properly use and take off vinyl gloves to prevent contaminating yourself and other individuals.
This six video series covers every aspect of basic food safety and is specifically geared towards the restaurant industry. Video one covers 3 types of contamination and how improper handling can be dangerous. Video two covers proper holding time and temperatures, three covers poor personal hygiene, four covers inadequate cooking and contaminated equipment, five covers adulterated food and six is a review.
An outbreak of anthrax from contaminated meat in Tanzania sickened dozens of people and moves the danger of this deadly bacteria back into focus.
Look no further than Flint, Michigan, to discover the serious consequences of contaminated drinking water. Around the world, water polluted by pathogens and toxins sickens people or cuts them off from safe drinking water. Looking for a solution, researchers created tiny, swimming robots that pack a powerful punch against waterborne pathogens.
Over 6,500 waterfowl—mostly ducks—have died in Canyon County, Idaho, stricken by avian cholera. The outbreak started in February, and before it's over, it may not only be Idaho's largest outbreak, but one of the largest in the country.
Wiping our shoes off as we enter the home reduces the amount of contaminated dirt tracked in. Large mats, that cover two or three strides, will ensure that even those that refuse to wipe will leave most of the dirt clinging to their shoes on the mat rather than your carpet.
We know that healthcare-related facilities can be fertile ground for antibiotic-resistant bacteria, but recent research suggests your produce aisle might be too.
Listeria monocytogenes bacteria don't play fair. Healthy people can usually handle the food-borne infection, but the bacterial infection hits pregnant women, fetuses and cancer patients very hard. Interestingly, a new study found that other bacteria may help prevent Listeria infections in those people.
Antibiotics used to prevent diseases in livestock are creating a world of hurt for humans and the soil we depend on for food. Bacterial resistance to antibiotics is a global health issue. The overuse, underuse, and poor use of these life-saving drugs is rapidly removing them as a treatment option for serious infections in humans—plus bacteria are naturally adaptive.
Have you ever had the stomach flu, aka the 24-hour flu? Well, chances are high that you never had influenza, but an intestinal infection called gastroenteritis.
Cholera is rapidly spreading in Mozambique, with over 1,200 people infected. Since the outset of 2017, cholera has spread from the capital city of Maputo (pictured above) to three of its ten provinces. Health officials report other areas in the country are seeing case counts rise, and two deaths have been logged so far.
Regarding foodborne pathogens, eating fish is not as hazardous as it was a few years ago — but if fins are on the menu, it's good to have a heads-up about what's good and what's bad these days.
Dutch police are using a system very similar to Pokémon GO on smartphones, but they aren't walking around trying to catch little pocket monsters. The purpose of this system is to give augmented reality help to first responders who may be less qualified to work a fresh crime scene. If successful, the idea of a contaminated crime scene could be a thing of the past.
Would you know what to do if someone ingested poison? Equally important, would you know what not to do?
The Fish Contamination Education Collaborative (FCEC) has made this video to reach the public about fish preparation safety, to make su. It's important to prepare fish in a certain way, because some species of fish have contaminants that pose health risks. Those contaminants are stored in the fatty portion of the fish, so by cleaning and cooking the fish in a certain way, you can reduce your exposure to those toxins.
This video speaks to everyone who has ever bought anything online, or in fact, anyone who has ever bought anything period. How do you know what you're getting is genuine? Is it a fake product? Is it stolen goods? Is it impure?
This video from Southwest Yard and Garden tells viewers why it is important to wash your hands after gardening, and when and how to do so. It also emphasizes the importance of cleaning cutting boards. You should wash your hands before eating, after using the bathroom, and while you are handling food. While handling food, if you handle any meat, you must wash your hands before touching anything else. You should wash your hands for twenty seconds, with soap and water. To demonstrate the importa...
"Foodborne illnesses are responsible for more than 75 million illnesses, more than 230,000 hospitalizations, and approximately 5000 deaths each year in the United States." In this six-part video lesson, learn about the basics of food safety in a commercial food enviornment. In the first video, three types of contamination are gone over as well as how improper handling can allow food to become dangerous to your patrons. In video two, learn about proper holding times and temperatures, and what ...
Watch this science video tutorial from Nurd Rage on how to make iodine from sulfuric acid and alkali metal iodide. This is the best way to make elemental iodine from sulfuric acid and sodium or potassium iodide.
Watch this science video tutorial from Nurd Rage on how to make silver nitrate from silver and nitric acid. They show the chemistry of making this cool chemistry, colorless solid.
While not cuddly to most, bats are shy, skilled flyers that fill an important role in their environments. A new study reveals a deadly disease decimating North American bat populations has stepped up its attack on vulnerable bat populations in the summer months.
Everything from disposed of drugs to hormones and disease-causing bacteria — anything that is rinsed or flushed down the drain — can contaminate wastewater.
The noses of kids who live in areas of intense pig farming may harbor antibiotic-resistant bacteria, presumably acquired from the animals, according to a new study by scientists at the Johns Hopkins Bloomberg School of Public Health, UNC Gillings School of Global Public Health, and Statens Serum Institut in Denmark, published in Environmental Health Perspectives.
Every party has a pooper, and that's why you're reading this article. We don't mean to be a downer on such a fun day as 4/20, but it's important to make sure you know about the source of your pot, especially if you're one of the 2,299,016 people who use medical marijuana in the US.
New research suggests the bacteria that causes listeriosis may be a bigger threat in early pregnancy than previously thought. Usually considered a danger to late pregnancy, scientists suggest early undiagnosed miscarriages could be caused, in some cases, by infection with Listeria.
This is a great tutorial on how to use Backtrack 2 to crack a local computer for access. You can either completely change the password or you can wipe it and restore the password so nobody knows you were there
The flower god demonstrates how to arrange a beautiful rose arrangement for your fall table. A dozen yellow roses, greenery and safflower are used to construct this masterpiece. To begin you need a vase filled with fresh clean water. The flower god shows how to lace the stems of the greenery in and out of one another. The laced stems are then placed in vase and eucalyptus is placed throughout vase giving a cascading effect. Next it is time to prepare the roses. Thorns need to be removed off t...
The video comes from theflowergod.com and in it the instructor advised us how to make a 'Roundy mound' as he calls it, or a small old fashioned flower arrangement. Following are his instructions:
In this video, Tosh shows us how to make Japanese sushi rice without a rice cooker. Don't have a rice cooker at home and want some delicious sushi rice? No problem! Follow the directions in this video to make some great rice easily. First, you will need to fill a large pot with your desired amount of rice and then rinse it off with water three to four times. Don't use soap, this will just contaminate the rice. After this, drain out the water from the rice using a strainer. Then, put it back i...
Yolks may be your favorite part of an egg, but that doesn't mean they're healthy! If you're truly committed to eating better and living healthier, then watch this video to see why you should toss egg yolks out and how to live healthier.
Your workspace should be a breeding ground for creativity and productivity, not bacteria and germs. You Will Need
