Was Napoleon's death really due to stomach cancer, or was it arsenic poisoning? Some scientist believe the latter. Arsenic poisoning was a deadly weapon in that era, because it was undetectable when administered over a long period of time, making murder seem like natural causes. But if arsenic (As) is poisonous to most multicellular life, then what's with the newest NASA discovery?
Hydrazine sulfate has many uses, but most notably, it's been used under the trade name of Sehydrin, a treatment for anorexia, cachexia and some even think cancer. But for we DIY chemists, it's useful for something entirely different— as a substitute for the more dangerous pure liquid hydrazine in chemical reactions. NurdRage shows you how to make it via some hypochlorite and the Ketazine process.
Suzy Cohen tells us in this video how to lower our blood pressure naturally. Believe it or not, the urinary tract is connected with our blood pressure. A dietary supplement called "Asparagus extract" is recommended. Asparagus in vegetable form is delicious when served with a little butter or feta cheese. When you take it as a supplement, you get a bigger dose. It is a wonderful diuretic, which means it makes you pee a lot. You should take it in the morning, so that you do not find yourself ru...
Various electrochemical reactions requires that anodes do not degrade when used. Carbon is cheap, but degrades easily and platinum is extremely expensive. In a previous video, you learned "How to make cobalt and manganese nitrates", and you saw that titanium could be used as a cathode, but not as an anode due to an effect called passivation.
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?
Watch this science video tutorial from Nurd Rage on how to make a desiccator bag for drying chemicals with Dr. Lithium.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
Watch this science video tutorial from Nurd Rage on how to test if a fertilizer has nitrates rather than urea or ammonia as its nitrogen source.
Scars can make you feel self conscious. Luckily, there are steps we can take to reduce their appearance without surgery. So, avoid the operating room and check out this video - its full of useful tips for hiding and eliminating your scars.
Purses are an important part of any outfit but it can be difficult and expensive to keep replacing them. Take good care of your purse now and you won’t have to be shifting through the purse racks next department store sale.
In this video, I'll be showing you how classic black snakes work and how to make them at home. There are actually two methods covered in the video — one that uses fire and one that does not. So just choose the one that fits best for your situation.
We've shown you how to make water change color on command, but how about just half of it? What if I told you that you can split a solution right down the middle and make the color disappear from one side, just by shining light on it?
Want to make boring old colorless water brighten up on command? Well, you can control the color of water with this little magic trick. Actually, it's not really magic, but a classic science experiment known commonly as the iodine clock reaction, which uses the reactions between water and chemicals to instantly colorize water, seemingly by command. You can use different colorless chemicals to produce different colors, and you can even make the color vanish to make the water clear again.
Using aspirin to treat acne is an age old remedy for skin blemishes. Learn more about treating acne from a dermatologist in this skin care video.
Daylight savings time is here. On November 7th, everyone and everything turned back the clocks to standard time, but how well you adjust to the new time is up to you—
In the mood for a little mad science? In this home-science how-to from Steve Spangler, we learn how to prepare a bubbly, color-changing concoction using water, ammonia, a universal indicator (cabbage juice will do fine), dry ice, gloves and two plastic cups. Now, repeat the process, this time adding a teaspoon of ammonia when you add your universal pH indicator.
There are so many crazy fun things you can do with fire, this is probably one of the most tame. But it's got flame, so it's still cool. This video will show you how you can squeeze the peels of citrus fruits onto a candle (or large flame for increased fun) and the acid will cause the flame to burn larger and brighter for a flash. Experiment with different peels and flame sources for extended fun. Grapefruit work fantastically.
Sushi on your face?! Okay, not really. Rather, applying seaweed to your face will help restore moisture to skin, helping with anti-aging efforts.
This beauty video demonstrates how to create a green & white holiday makeup look.
You can’t change the size of your pores, but you can make them look a lot smaller. You Will Need
Add some fizzle and sizzle to bath time with a homemade bath bomb. Bath bombs make great holiday or birthday gifts.
This video will show you how to clean the battery cable terminals on your battery.
Make sure your winter wardrobe survives the summer by putting it away properly. Learn how to store your winter clothes.
Don’t squeeze that blackhead! There’s a gentler way to get rid of it, and several steps you can take to prevent new ones from forming.
Make Your Own Erupting Volcano!
Switching your favorite facial cleanser isn't an easy choice. Since everyone's skin type can range from dry, to oily, to some complicated combination of both... well, let's just say that the conventional wisdom is to stick to what you know works.
Almost 125 million people worldwide suffer from what is known as psoriasis, the skin disease that's marked by red, itchy, and scaly patches that are hurtful, if not visually god-awful. There can be a little hope though for psoriasis sufferers. Though you can treat and control psoriasis, characterized by dry scaly patches of skin, the progress is often erratic and cyclical, so be patient and consistent in executing these steps.
In this video from cdrhead we learn how to save money by staining your own concrete floors. First vacuum the floor and under the sheet rock removing as much dirt and dust as you can. Place plastic on all walls and unfinished wood trim. Now use a 4 inch scraper to remove any remaining materials. Now scrub with a broom with water or buffer. Spray a mild acid detergent on the floor as well now and scrub with a buffer. Now vacuum the floor with a ShopVac. Now spray the acid stain using a handheld...
Strawberries contain malic acid, which is great for removing stains on your teeth. You Will Need
Watch this video tutorial to learn how to make your own all-natural face masks. Tired of spending a lot of money on facial products that don’t even work? Try on some masks made from items you already own—they’re all natural and good enough to eat!
Get luscious, pillowy, kissable lips—with or without injections. You Will Need
Veggie Burgers are a nutritional alternative to beef burgers. Many people don't think of making their own veggie burgers but they are really easy to make at home. Store bought veggie burgers are nutritional but often very high in sodium and preservatives.
Indian snacks are awesome, but when we look into the health factor, they go from 30 to 0 in 2 seconds flat. Poha chivda is a wonderful healthy snack alternative to the fried ones, you so yearn for at the stores. This poha chivda recipe has a great shelf life and is so easy to make. Make a big batch and store it or a small batch and keep it fresh. Just watch this how to video and learn how to make this Indian style rice dish.
Yogurt has a variety of uses, some of which you may be unfamiliar with. For just $60 a cup you can whip up a (rather tasty) yogurt mask that combats acne as well as acne scarring. Yogurt contains lactic acid, which dissolves the top layer of skin to remove dead debris.
Salmon is hands-down one of the best foods you can eat, period. Wild Alaskan salmon is the best fish to consume, with loads of heart-healthy Omega-3 fatty acids and enough protein to keep you full and satisfied until your next meal.
Whether you're a high level athelete who's recently hit a muscle gain plateau or a wannabe UFC fighter looking to make it in the big leagues, this video provides everything you need to formulate an effective fat-burning strength training program. While cardio is always a must in any exercise regimen, strength training helps build and drastically strengthen muscle, meaning your body can more effectively perform work.
Packed with rich omega-3 oils, fatty acids, and more protein than a WWE wrestler needs before a big match, salmon is a wonder food of sorts. Omega-3s protect heart health, boost your metabolism, and reduce inflammation (which means fewer pimples for those that are acne-ridden), while protein helps you lose weight by keeping you fuller longer.
You know how mayo always makes everything taste better, and how the best, fattiest ones are also the creamiest? Well, mayo (in combination with avocado) has a similar effect on hair. Both mayo and avocados are rife with lipids which help to deep condition hair.
Making a blue glowing substance is easy, as long as you already know the secret to making green luminescent phosphorescent glow powder. By watching the green glow-in-the-dark procedure, you know that you will need strontium nitrate, aluminum nitrate, europium and dysprosium nitrates, and nitric acid. That will make a green glow, but if you want to make a blue version, it's a relatively easy fix...
