An in-depth explanation of the structure of the hemoglobin molecule, the process by which it binds with the oxygen in the lungs, how it dumps the same oxygen molecule at the appropriate location in the body and how carbon-dioxide gets attached to the hemoglobin molecule are the topics which the narrator in this video explains with diagrams and a few equations.
Want to know why the sky is blue during the daytime and red during the evening and morning? A simple experiment is all that is needed.
Don't spend your hard earned money purchasing popsicles at the grocery store this summer; make your own! While we wouldn't turn down a Creamsicle, making popsicles at home means you'll be using all natural ingredients and no harsh chemicals and food dyes, meaning your kids will enjoy a healthy treat.
In this video, we learn how to treat bed bugs with inspections and follow-up. First, you want to take off all your bedding and sheets, then place it into a bag. After this, you need to clean it in burning hot water to make sure the bugs are all killed. After you have removed this, you need to search the mattress to find where the rest of the bed bugs are at. Check around the headboard to see if the bugs are hiding there. Once you find these, you need to use either professional chemicals or a ...
The great thing about Thai food is that it's both good tasting and good for you. With ample amounts of spices like tumeric, cumin, red pepper flakes, and garlic, Thai food is choc full of antioxidants. And nowhere will you find more of these youth-promoting chemicals than in Thai curry.
Developing black-and-white film is an arcane, but very rewarding and useful process if you want to make really good-looking prints from your film. This two-part video goes over the entire process, from chemical measurement and selection to the actual process of developing the film. A must-watch for any would-be film photographer.
Rita Heikenfeld from AboutEating discusses some of the flowers that are not only beautiful but also edible. It is important not to eat flowers that have been sprayed with chemicals. Some of the more common edible flowers are the zinnia, petunia, and the marigold, which has a delicious citrus flavor and is used in bath oils. Impatiens are edible (just the flowers, not the leaves) and come in a variety of colors.
Robert Scot, from ModernMom, shows viewers how to shrink an enlarged skin pore. Scott reminds us that genetics and aging do contribute to enlarged pores and skin condition, but there is still a way to deal with this. There is no way to permanently shrink enlarged pores but you can handle them with time. You can use cleansers and exfoliation to do the trick. Your cleanser should be for oily skin that will naturally purify your skin. You really want to focus on exfoliation and use exfoliates wi...
In this video Erin Bried shows how to unclog a slow drain without calling a plumber. First put 1/2 cup of baking soda down the drain. Then pour 1/2 cup of white vinegar in the drain. The two ingredients react when put in the drain together. After about 15 minutes have gone by take some boiling hot water and pour it down the drain. Once the water has run out of the bowl you can test the drain to see if it is clear by running some tap water into the sink. The water should run out of the sink ju...
In this interesting video, Michelle shows chocolate lovers how to use hot chocolate as a bronzer. Using a normal package of hot chocolate and a good makeup brush that is not too dense, gently apply the chocolate to your face, making sure to layer the chocolate. You should smile while applying the chocolate with the brush. This will give you good, kissable cheeks and your boyfriend will no longer complain about your makeup smelling like chemicals. This is a simple, effective, and cheap alterna...
Adam from Chemical Reaction wants to show you a little movie magic. This video tutorial will show you how to make an Assassin's Creed hidden blade prop for your homemade film. If you're a fan of the Assassin's Creed video game, then you can't not make this hidden blade. This is a great prop for anybody wanting to recreate it for a fan film. It's cheap and quite easy and works pretty well.
This four-part video tutorial gives a step-by-step procedure on how to close an in-ground pool over the winter. This video explains all the necessary chemicals needed to keep the pool clean over the winter as well as all the tools and covers needed to close the pool.
This small but very powerful electrolyzer produces gas that increases the fuel mileage of your car. The elctrolyzer runs on baking soda (4 volts/cell) and produces hydrogen. Electrolyzers in general are machines that uses a direct electric current to drive a chemical reaction that would otherwise not occur on its own.
Now that summer is swiftly approaching, it's time to start wrapping your mind around that most enjoyable of summertime treats: Ice cream. While you can certainly go to the store and purchase bulk packages of rocky road, store-bought ice cream is full of gnarly-sounding ingredients that sound more like a chemical found in a mad scientist's lab than actual food (xanthan gum, anyone?).
Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Organic fertilizer is based of natural occurring compounds instead of chemical based compounds. With healthy, natural soil, learn how your plants and the environment can thrive in this free gardening video series about how to use organic fertilizers on plants. The following clips illustrate:
The first video is an elementary explanation of triangular numbers and a Gauss demonstration for the sum of the first 100 natural numbers.
In this how-to video, Andrew Price of Dryad Bushcraft teaches methods of trapping animals in a survival situation. Learn methods of tracking animals as well as the West County trap and wire snare method. Watch this video hunting tutorial and learn how to trap animals like a real Bushman.
Maintaining a clean living space is important, but it shouldn't have to be a hassle. The KAPSULE™ UV Sanitizing Wand 2.0 is designed to keep surfaces pathogen-free. This powerful wand emits 254nm UV-C light and makes quick work of pathogens. In a laboratory test, KAPSULE even eliminated more than 99% of E-coli!
Scientists know that bacteria create their own energy, get nutrients to run their cellular processes, and multiply. But, bacteria haven't been shown to respond to external mechanical stimulation or signals in a way that's similar to how our bodies respond to touch, until now.
The Deepwater Horizon oil spill that began on April 20, 2010, was the largest maritime oil spill in history. Killing 11 people and discharging 4.1 million barrels of oil and natural gas into the Gulf of Mexico, the event was an unparalleled personal, environmental, and business disaster. It was also the first major oil spill to take place in the deep ocean.
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.
A rose by any other name may smell as sweet, but one annoying invasive weed may hold the answer to treating the superbug MRSA. Researchers from Emory University have found that the red berries of the Brazilian peppertree contain a compound that turns off a gene vital to the drug-resistance process.
In this video, we learn how to get 360 waves using olive oil. First, buy some extra virgin olive oil and your brush. After this, get a rag and put hot water on it, then ring it out. From here, rub this all over your hair to get rid of any chemicals in your hair. Now, brush your hair as normal all over until it's fully combed. Then, put the olive oil into the palm of your hand and spread it around your head, pushing towards your forehead. Then, brush your hair again until the olive oil has bee...
This video tutorial is in the Education category which will show you how to make sodium bromate and potassium meta-periodate. This experiment uses toxic chemicals and releases harmful gases. First you have to make a saturated sodium bromide. To this solution then add a small amount of potassium dichromate. The solution now becomes concentrated. Then make the circuit as shown in the video. You need a 3 - 5 ohm resistor in order to reduce the current. Then let the cell run for around 6 hours. S...
This actions is a video tutorial in the Education category where you are going to learn how to synthesize copper(II) carbonate & sodium bicarbonate. For this you will need copper sulphate which is available in root kill and sodium bicarb which is baking soda. Take 100g of copper sulphate and dissolve in about 400ml of water. Now take 69.27g of baking soda. Add baking soda very slowly and keep stirring the solution. You got to be very careful as the chemical reaction will produce lot of carbon...
This video tutorial is in the Education category which will show you how to make elemental sulfur (sulphur). The chemicals you need are nitric acid and sodium thiosulphate. The reaction produces toxic SO2 gas so keep it coved with a watch glass. Put 12.9 grams of sodium thiosulphate in a beaker and dissolve it in minimum amount of water. Pour about 15ml of nitric acid in to the beaker. Let it sit in a warm place for a couple of hours and the sulphur will settle at the bottom of the beaker. Th...
In this tutorial, we learn how to get rid of fruit flies cruelty-free. First, you will need to put a sweet mixture of things that the flies like to eat inside of a cup. After this, place a cylinder piece of paper into the cup. The flies will be able to fly into the bottom of the paper to get what's inside, but most likely won't figure out how to get back out of it. After this, you can let the flies go free and you will have let them survive without killing a ton of them! This is also free of ...
In this tutorial, we learn how to build a magnetic stirrer from computer parts. This is a simple thing to make, and is great if you are going to be mixing chemicals and don't want to get your hands dirty. First, you will need to create a wooden box with the top empty. Then, place a computer fan into the middle of the box and pin it down. Place a magnet from the hard drive in the middle of the fan, then place a stirring rod on the glass that will go on the top of the wooden box. Now you will b...
In order to create an explosion, using Calcium Carbide, you'll need the following: calcium carbide, water, a dropper, and a lighter.
If you were blessed with a natural mane bursting with shine, volume, and movement like those chicks in Pantene commercials, then we don't like you. Just kidding, but if that is your lot then you really don't have to check out this tutorial.
If you are in desperate need to clean your toilet, don't rush to the store just yet. What you might need to clean it, is probably already in your home. Most of the toilet cleaners out on the market contain harmful, toxic chemicals that are inhaled during the cleaning process.
If you've just ran out of all purpose cleaner, hold on to your waller for just a couple of minutes. Most of the all purpose cleaners, or any cleaner for that matter, contains chemicals that can be harmful for you and others. Not only that, but it produces more trash that can easily be avoided. How so? By making your own stuff from scratch.
You may not realize it, but most of the laundry detergents that are being sold in supermarkets contain chemicals that can be bad for peopel, but more importantly bad for the water supply. People have begun to realize this and are starting to make their own household items from scratch using harmless items.
Many of today's cleaning products contain chemicals that can be harmful to pets, children, and even adults. Sure it can get the job done, but what's more important the health of others or your stuff?
In this tutorial, we learn how to clean a Spyder marker paintball gun. Before you start, disconnect your air source and turn the gun off to a safe position. Now, remove the barrel and slide out the pin. Now, the marker should fall out on its own. Make sure not to lose any of the parts that come out with this. Pull out the string, bumper, and striker as well. Now, use paintball oil to clean all of the parts that you removed from your gun. Only use the paintball oil, because other oils contain ...
Ever yearn for the days of homemade ice cream served up at old world ice cream parlors in a real glass cup with a non-plastic spoon? Don't settle for the mass-produced stuff in the frozen aisle and learn how to make your own ice cream instead.
Slugs are one of the most destructive forces of nature that can infiltrate your garden. Chemical pesticides and slug pellets make eliminating them simple, but they are expensive, dangerous, and unnatural. Fortunately, this video is here to explain an easy way to get rid of slugs in a container garden using only a little bit of vigilence and salt. Warning: do not try salting your soil garden! You will kill it!
This video is a tutorial on how to set a table in a restaurant. The table should first be wiped thoroughly with a product called Thieves, a mixture of organic oils that contains no chemicals. Be sure it is dry before people are seated.
Bob Harris of decorative concrete institute explains how you can remove your tiled or carpeted flooring for a concrete substitute. He suggests when your removing carpeting that it can be very heavy and advises you to hire someone who can lift and carry it out, or rent a dumpster for easy take away. He states that after the carpet is removed you'll need to remove the adhesive from the floor. You can do this by stripping or grinding, and at other times the use of harsh chemicals may be needed. ...
