Studying to be a nurse? Then follow along with this nursing how-to video to learn how to start an IV on a live person. Starting an IV is an important and common part of a being a nurse. Follow along with this video to learn the proper technique and procedure for starting an IV ...more
Even as someone with super pale skin that burns instead of tanning, I don't use sunscreen nearly as often as I should. Or, uh...ever. My skin cancer prevention routine mostly involves hiding from the sun as much as humanly possible. If you're like me and hate the greasy feelin ...more
A young child becomes very thirsty very often and seems tired all the time. A visit to the pediatrician determines she has type 1 diabetes. The onset of type 1 diabetes may seem sudden, and it can be, but the disease may actually have been triggered by common childhood viruses ...more
The first thing I do when I wake up in the morning is run to the kitchen to make coffee, and I know I'm not the only one. According to a survey by the National Coffee Association (yes, there's such a thing), 83% of Americans drink coffee, and I'd bet most of that consumption h ...more
Many of our members here at Null Byte are aspiring hackers looking to gain skills and credentials to enter the most-valued profession of the 21st century. Hackers are being hired by IT security firms, antivirus developers, national military and espionage organizations, private ...more
The headphone jack is becoming outdated technology in smartphones — that's what many manufacturers would have you believe. For the convenience of the audiophiles out there, we recently published our list of all phones that have removed the 3.5 mm jack. But what did each compan ...more
The herpes simplex virus (HSV) can cause devastating complications for infected newborns whose mothers have genital herpes. Understanding risk and research can help you, and your baby, when the time comes. In the US, about one out of six people aged 14 to 49 have genital herp ...more
Nice people finish first—or is it last? Though you may have been told throughout your life that being kind pays off, there are some obvious advantages to getting mean. So whether you're driving towards a goal at work, or need to attack a task in your personal life, acting like ...more
Apparently submerging a hand in liquid nitrogen isn't as painful as one might suspect (if you trust the Leidenfrost effect as much as Theodore of Gray Matter): I hadn't realized that my hand was quite so deep into the liquid. Amazingly, I barely felt the cold at all. My skin ...more
Studying to be a nurse? Then follow along with this nursing how-to video to learn how to administer an intradermal injection. This injection technique is very common in nursing. Watch and observe the nursing student as she shows you the proper protocol for an intradermal injec ...more
Ahoy, landlubber! Next to vampires and werewolves, seafaring pirates are going to be the most popular costumes this Halloween. And luckily, you don't need to pillage or plunder in order to prove your scoundrel worthiness. All you really need is a good hat and a good eyeshadow ...more
Tonic water, seltzer water, club soda, and mineral water: these 4 types of "bubbly water" are often, erroneously, used interchangeably. But the truth is that each possesses unique qualities and uses that set them apart from each other. Most experts can tell types of bubbly wat ...more
Seeing that you probably can't go ten minutes without lying (according to this study), you're probably interested in becoming a better liar. The best way to do so is to learn what makes a bad liar, and then do the opposite. 1. Liars Have Revealing Micro Expressions According ...more
Palm reading can be complicated because chirognomy, the study of the mounts of the hand, sometimes contradicts chiromancy, the study of the lines of the hand. For that reason, it's best to do a reading as a whole. In this particular video palmistry tutorial, Peter John explain ...more
If you're a U.S. expat living, traveling, or studying abroad, or just someone who typically uses virtual private networks (VPNs) in order to access the North American video libraries of services like Hulu or Netflix, you were probably surprised to see that these video streamin ...more
Urinary tract infections (UTIs) drive over eight million people to seek medical attention every year. Almost all — as many as 90% — of those infections are caused by Escherichia coli. Copper can kill bacteria, but E. coli has found a way to capture the copper, preventing its a ...more
Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more
Studying to be a nurse? Then here is a nursing how-to video that teaches you how to measure blood pressure with a manual cuff. Every nurse should know the basics of this technique, follow along and see how easy it is to take a patient's blood pressure with a manual cuff. It is ...more
Studying to be a nurse? Then follow along with this how-to video to learn how to start an IV on a live person. IVs are an important part of a nurse's everyday routine. When inserting an IV needle, be sure to enter at a 30 degree angle. The nursing students in this video, Moe a ...more
A lot of people still trust their web browsers to remember every online account password for them. If you're one of those users, you need to adopt a more secure way of managing passwords, because browser-stored passwords are hacker gold mines. With a USB Rubber Ducky and physi ...more
What if the code you are trying to reverse engineer is obfuscated or somehow corrupted? What if no way is left? Here comes what I like to call (wrongly and ironically) the "brute force of reverse engineering". Before I even start, as always, I wanted to apologize for any uncl ...more
In recent years, Russian marine biologist Alexander Semenov has built a stunningly beautiful collection of deep sea photography, capturing alien creatures only locatable in the hostile, icy depths of the far northern sea off the coast of Russia. A brave art world denizen migh ...more
Although your friends might roll their eyes every time you talk about playing Clash of Clans, Call of Duty, or Candy Crush Saga, your excessive gaming habits might actually be making you healthier than everyone else. I've got your attention now, right? Read on for 8 insanely ...more
Palm reading can be complicated because chirognomy, the study of the mounts of the hand, sometimes contradicts chiromancy, the study of the lines of the hand. For that reason, it's best to do a reading as a whole. In this particular video palmistry tutorial, Peter John explain ...more
Procrastination is an ugly beast. At first, it seems so innocent to spend five minutes checking Reddit or Twitter. You'll get started on work right after. Next thing you know, it's 1 a.m. and that paper is due in seven hours. Before you start another YouTube video, know you do ...more
See how to find the domain and range of a function implied by a word problem with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the In ...more
Need help reducing fractions containing algebraic variables? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it' ...more
It's universally known that broccoli, kale, Brussels sprouts, cauliflower, and all cruciferous vegetables (also known as brassicas) are good for you—but you probably don't know exactly how good they really are. A recent study by Johns Hopkins University and the University of ...more
Studying to be a nurse? Then here is a nursing how-to video that teaches you how to remove a femoral arterial/venous sheath. Every nurse should know the basics of this technique, follow along and see how easy it is to remove the arterial sheath from the femoral artery. These m ...more
The latest Star Wars movie, Solo: A Star Wars Story, has grossed almost $350 million worldwide during its first month in theaters. This is a good opportunity to discuss how hackers can use media hype (in this case, Hollywood movie hype) to disarm an unsuspecting Windows user i ...more
The DIY industry is booming, despite the desperate blackmailing of society by finance capitalists. Companies like Adafruit and Makerbot are grossing well over a million dollars a year, and Evil Mad Science Laboratories just recently dedicated themselves to running a full-time ...more
These days, it's easy to cut the cord. Thanks to a new crop of streaming TV apps, you can get the same service offered by a traditional cable subscription at a fraction of the price. After some extensive testing, we believe we've found the absolute best apps for cord cutting. ...more
When your opponent throws down "AA", you tell them no abbreviations, but alas... it's not. They build "ZA" on the board for 64 points, and you say it's slang, but it's in the dictionary. Next is "EF", and you let them know that spelling out letters is not allowed and ridiculou ...more
Could you use a little help figuring out how to simplify numbers left in square root form? Watch this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks ...more
From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next ...more
While it may be impolite to play around on a smartphone at dinner, having it consume my attention while I'm on a deadline or trying to study can prove disastrous. With Netflix and social media just a tap away, it's a dangerous game of wills, one that the phone usually wins. F ...more
Ever since the much-lauded effects of the Mediterranean diet became widely known, people have been buying olive oil by the gallon. A diet that prevents heart disease, is based on fresh, seasonal foods, and includes a tasty as hell fat like olive oil? Duh—that's a no-brainer. ...more
Check out this instructional math video that demonstrates how to solve combination and permutation math problems. In the 16th lesson, learn how to solve SAT problems using the Official SAT Study Guide. Here are the math problems and their page numbers that this video covers: ...more
Cheese might be one of the most satisfying snacks around, whether you prefer a slice of snappy Irish cheddar or a creamy, rich portion of Brie. It's been called "dairy crack" by a respected physician and for good reason: eating cheese produces casomorphins, which effect the hu ...more
If you're studying human anatomy (or have ever visited a doctor's office), you're no doubt familiar with those plastic anatomical models with removable pieces meant to teach the different parts of the body. Before those, there were illustrated pop-up books. If you need to know ...more
Check out this conning how-to video of the classic water bottle cheat sheet. As an homage to some of our favorite tricks, here's an old one that has been around for ages but some of you may not be aware of. In this video we show you how to utilize modern technology to always h ...more
Studying to be a surgical nurse? Then here is a nursing how-to video that teaches you how to insert a PA line with a Swan Ganz catheter. Every nurse should know the basics of this technique, follow along and see how easy it is to do a PA line insertion through a sheath guide w ...more
You can feel it in your bones. You may die if you don't get this phone. There's just one problem — the price. Suddenly, you come across what seems like manna from heaven. That very device, at a deeply discounted rate, can be yours. The only thing that makes you pause is that ...more
Let's take a minute and talk about something you're doing wrong — using the restroom. Many view the subject as improper or even taboo, but why? Thanks to your upbringing, you've assumed you know the basics... But you don't. Avoiding discussion on the subject has led many of us ...more
Need some help solving linear function word problems? See how it's done with this free video math lesson. Need help finding the From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, ...more
Studying to be a nurse? Then follow along with this nursing how-to video to learn how to administer insulin injections. This technique is very common in nursing. Watch and observe the proper method for setting up and administering regular and NPH insulin injections. Before sta ...more
If you're someone who frequently awakes in the middle of the night trembling in terror, you might want to consider swapping sides. According to research done at Yüzüncü Yil University, those who sleep on their left side experience more nightmares than those who sleep on their ...more
Trying to figure out which music streaming service to subscribe to can be a difficult task when the playing field is so crowded. Each has its benefits, as well as downsides, so finding the right one for your needs and wants can take a lot of overwhelming research. But we've do ...more
Hackers can be notoriously difficult to buy gifts for, so we've curated a list of the top 20 most popular items Null Byte readers are buying during their ethical-hacking studies. Whether you're buying a gift for a friend or have been dying to share this list with someone shopp ...more
Twelve-year old Rory Staunton took a dive for a basketball during gym class and came up with a cut on his arm. The school nurse applied a couple of band-aids, without cleaning the cut, and off he went. In approximately three days, hospital physicians told his parents there was ...more
The calendar app is one of the unsung heroes found within your iPhone. It's the ultimate personal assistant that you've come to rely on to keep track of your schedule and ensure you never miss a class or meeting, all while reminding you of upcoming birthdays and deadlines to h ...more
Sherlock Holmes is one of the most famous characters in modern history, and has appeared in film more often than any other character. No less than 78 different actors have taken their turn at portraying the enigmatic deduction machine in various mediums, and each has brought t ...more
If you find yourself desperate and need a way to sneak a peek at the answers while you are taking your next big test, this video offers a very clever solution, using the label of a Coke bottle. But don't work too hard on cheating when you could just study! Video: .
According to a new study, the majority of smartphone users check their devices 150 times a day. While that number may seem incredibly high at first glance, the influx of notifications and amount of social media apps available reduce the initial shock and make the number seem n ...more
Canvas fingerprinting is the web's trickiest privacy threat, but it's not impossible to stop. With all the media attention it's gotten lately, it's time we lay out exactly how to detect and prevent this invasive tracking technique. What Is Canvas Fingerprinting & Who Uses It? ...more
Eel sauce, or kabayaki sauce, is a thick, sweet Japanese sauce commonly served as a dipping sauce for Japanese seafood dishes. This eel sauce recipe is quick and easy... as well as delicious. You Will Need: • ½ c. mirin • ½ c. soy sauce • ¼ c. sugar • Low sodium soy sauce ...more
The best go-to method for reducing your risk of infection is to wash your hands. Next time you reach for the soap, here is some news you can use. For years, soaps and healthcare products touted their "antibacterial" properties. While soap was good, antibacterial soap had to b ...more
The OnePlus 7 Pro comes with a new Zen Mode feature to help increase your concentration and reduce distractions. It takes things a step further than Google's Digital Wellbeing by disabling your device and stopping sounds. But even if you don't have a OnePlus, you can now get t ...more
I learned the hard way that boxed dyes just don't work well for me. A few months ago, I tried one that had a pretty name like "soft violet black." Sounds nice, right? What I ended up with was brown hair and hot pink roots. Trust me, it wasn't cute. Unfortunately, I had to liv ...more
Need help figuring out how to find a given percentage of a whole number (e.g., 16% of 736)? Watch this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thank ...more