Dengue fever is a danger to anyone living or visiting tropical or subtropical regions. It can be hard to detect the infection in its earliest and most treatable phase, especially in children. Luckily, new research highlights better techniques for triaging the disease in infect ...more
This video will show you how to test the Chlorine and PH levels of your swimming pool water with a test kit. Video: .
A recent study underscores a connection between climate change and infectious disease, raising concerns about our quickly warming planet. This research, published in the Proceedings of the Royal Society, took a closer look at factors driving the spread of West Nile virus. The ...more
The trick to beating this level is to stick a glasses sticker to the boy's face before you start your rookie test. You can't ace the level without doing this! The glasses sticker is on Grab and Swing, behind the books.
There are many types of photography tripods for using in different shooting situations. Watch this instructional photography video to test out different tripods from mini to mighty. Make sure to label your tripod with your name and address, because at a large photo shoots, tri ...more
Learn two quick study habits that will help increase your grades on tests and exams.
In this tutorial, we learn how to draw Johnny Test & Dukey. Start out by drawing the outlines for both of the characters. Next, you will draw in the features of the faces and then draw the details to both of the characters. Next, you will use a bolder line to draw on all the f ...more
It appears as though Harley Quinn and Joker have been spending some quality time together after you manage to find a certain easter egg. This IGN guide will show you exactly where to find a positive pregnancy test that has some interesting implications for future games.
Are you suspecting you may be pregnant? How can you know for sure? Well, a simple home pregnancy test can change your life as you know it. Watch this how to video to learn some of the symptoms of pregnancy and how to take a home pregnancy test.
Have you ever had a burning sensation when you urinate? Low fever, back pain, and maybe cloudy urine? Male or female, it could have been a urinary tract infection. If it lasted long enough, the chances are good you went to the doctor for help. For about 20% of women, standard ...more
Take an at-home test for HIV in the privacy of your own home. Learn how to take an HIV test at home in this free health video on the human immunodeficiency virus from a certified medical assistant. Part 1 of 14 - How to Take a home HIV test. Take a home HIV test - Part 2 of 14 ...more
Augmented reality has a variety of applications, but lately the face has been a major point of concentration for many companies. We're all pretty familiar with face swapping by now, but ModiFace employs similar technologies for more practical purposes. Don't Miss: Augmented R ...more
Apple has announced the release of their OS X Beta Seed Program today, which allows anyone with an Apple ID and a Mac to download and run the latest developer build of Mac OS X 10.9.3—the most updated beta version of Mavericks. The OS X Beta Seed Program allows us to run softw ...more
In this scientific video tutorial, undergraduate students in a forensic chemistry lab demonstrate a forensic DNA test to catch a criminal. Learn how to perform a forensic DNA test! Just like in CSI. The production of this video was supported through a grant from NSF (0745590) ...more
Magic Leap and AT&T have lifted the lid on multiple parts of their mysterious relationship today. According to AT&T Communications CEO John Donovan, the company is planning to launch a beta version of DirectTV Now for the Magic Leap One in 2019. The announcement came onstage ...more
Did Mikey really meet his end by eating Pop Rocks and Coke? Well, in this how-to you'll see the myth tested and be able to try it out yourself. Follow as Steve Spangler shows us why Pop Rocks pop, and how they react with soda.
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more
In this tutorial we learn how to cheat on a test using a Band-Aid. First, go on your computer and type out the answers and information that you need. After this, you will need to shrink down the size of the font until it's really tiny, but you can still read it. After this, yo ...more
In this tutorial, we learn how to test paint for the presence toxic lead. You will first need to make up two solutions. One will need sodium sulfide and water mixed together in a small container. Then, add acidic acid and water into another container. Drop small amounts of the ...more
This tutorial shows you how you can make your own do it yourself green screen out of a bed frame, some hardware (a staple gun is key) and a green blanket (or any large length of appropriately colored green gabric).
STDs are an unfortunate and inescapable part of the modern world, but broaching the subject with a romantic partner is still usually awkward and difficult. Watch this video for tips on how to ask your partner to get tested without hurting their feelings and damaging your relat ...more
Here is a video to help you with the left-hand reverse manoeuvre, which occurs on the driving test. There is a full explanation of the manoeuvre followed by an in-car demonstration. Make sure you keep your speed low and do plenty of observations when you perform this. It shoul ...more
The impact of the COVID-19 pandemic caused by the novel coronavirus has practically guaranteed that the virus, along with the phrases "social distancing" and "flattening the curve," will rank among the top search terms of 2020. USA Today combined the phrases in its latest augm ...more
Looking for a guide on how to calculate the greatest common divisor for two numbers? 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 e ...more
In this video we learn how to use an electric tester to test wires. You will first need to purchase a voltage tester that runs on double a batteries. When you press it the end will turn green and you are ready to use it. Test it out by pushing it into a plug you know works and ...more
Hmmm, all you've got is a piece of cabbage but you need to test the acidity or alkalinity of some liquid. What do you do? What DO you do!? Well, you start by watching this video by Steve Spangler. Ahh, the sweet smell of science! Invite your friends over to share in this super ...more
This tutorial series shows you how to achieve gold trophies on all ten tests to get the A-class licenses in Gran Turismo 5. If you're stuck on a particular test, or just want to see all of them, here you are! Part 1 of 10 - How to Achieve gold trophies on the ten A-class licen ...more
This two part video goes over the procedure for testing and inspecting lead acid batteries. A machine is required to test the battery itself. You can do the visual test at home, and then bring it to an auto parts store for the machine test part. Part 1 of 2 - How to Test and i ...more
This video shows how stool is tested for the presence of occult blood.
Spend an hour with Oracle PL/SQL expert Steven Feuerstein and explore the code-testing challenges facing PL/SQL developers. He will demonstrate how the new Quest Code Tester for Oracle dramatically simplifies testing because it:
The fifth (B-5) of the National B License Tests in Gran Turismo 5 on the PlayStation 3 is all about basic cornering. This video will show you how to get the gold trophy! If you haven't unlocked these tests yet, all you need to do is purchase your first car. B-5: Basic Corneri ...more
To assist developers and researchers in their efforts to create apps and services for automobiles, Volvo Cars has launched a new Innovation Portal with useful new tools and assets. Among the free resources featured on the Innovation Portal is a high-quality 3D model of the Vo ...more
Before smartglasses makers can dream of taking smartglasses to mainstream consumers, they must first determine the right mix of form, function, and price that will drive customers to buy into what they're hoping to sell. Google's AI research team may have part of the solution ...more
This is were things get interesting (and FAST!)— B-7, then seventh of the National B License Tests in Gran Turismo 5 on PlayStation 3. You'll be testing out your high-speed control of lines and throttle control. If you haven't yet, simply unlock these tests by purchasing your ...more
See how to test the ignition system of your automobile. This automotive video tutorial contains basic testing procedure using an automotive test light as the detection tool. The test light will not be harmed during this procedure do to the low amperage of the system. This is ...more
After you purchase your first car in Gran Turismo 5 on the PlayStation 3, you'll unlock the National B License Tests. The first one (B-1) is a stopping challenge, and if you want to learn how to get the gold trophy, this video gives a perfect example of how to get it. B-1: 20 ...more
Apple released the second public beta for iOS 14.4 today, Wednesday, Jan. 13. The most notable addition to this beta isn't user-facing — baked into 14.4 beta 2's code is evidence that Apple will start issuing warnings on iPhones using unapproved cameras. Of course, those warni ...more
This is part of the How To Big Wall Book. In this segment Chris McNamara demonstrates bounce testing when leading. Bounce testing is important because it gives you a margin of safety with placements. You can confidently climb and move faster for the better climb. You can bounc ...more
Leaks everywhere! Recently we saw the international Galaxy Note 3 (model SM-N9005) receive a new build of Android 4.4.2 KitKat. While that build wasn't quite ready for the S4, Samsung dropped a new piece of software which indicates that a final build for our devices may come s ...more
We were really rooting for you this time, BlackBerry! With the phone company having minimal success in the past with smartphones, the BlackBerry KEYone was extremely promising. That is until YouTube Reviewer JerryRigEverything discovered a fatal flaw, the phone's screen popped ...more
If you're looking for an easy way to determine if a number is divisible by 3, then look no further than the divisibility rule. It's a shorthand way to tell if any given number can be divided by 3, without actually performing the division. Take the number in question, and if th ...more
Facebook Messenger has now incorporated a live location sharing feature, one week after Google Maps revealed its own real-time location tool. On Monday, the social media giant announced the new feature, which will allow users to share their live whereabouts with friends at the ...more
See how much tar and smoke stuff goes into your lungs when you inhale just one cigarette. This is brought to you by an ex smoker who lost his larynx.
If you have a website or do any type of web development you have probably needed a server at some point. Not everybody has a full blown commercial web server at their disposal for development, experimenting, and testing their site, so try this solution: an XAMPP open source bu ...more
Learn how to do large-sample-proportion hypothesis testing in stats! 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 ...more
Convince the some of the jackass crew that were doing a segment where they need to wear athletic cups. (maybe say they re-making the cup test segment) And rig the cups to electric shockers in them that will shock their balls mercilessly until they cry.
In this clip, you'll learn how to make sure you're getting the speeds your ISP advertise. For more information, including a complete demonstration and detailed, step-by-step instructions, and to get started testing the upload and download speeds of your own Internet connection ...more
People love sex. They don't love talking about the possible repercussions of sex. And with dating apps such as Tinder, Grindr, and Bumble paving new ways for strangers to talk and have casual hookups, people need to be able to more comfortably have a conversation about sexual ...more
Lawrence Perez, from Saddleback College, and his assistant Charlie, give this introduction to statistics lesson on using the Z tests for the mean. If you don't know about statistics, well, I don't know what to say.
Take advantage of this unique opportunity to prepare for the Advanced Certification exam in an interactive day long, live session with an Advanced Certified Pro advisor! Get a jump start on becoming a QuickBooks Advanced Certified Pro Advisor. Learn how advanced certification ...more
If the all the fingerlike projections in our gut were flattened out, its surface area would be 100 times bigger than our skin's. It's so large that the actions of just a small part of it can impact our health. A new research study has found that enterochromaffin cells in the i ...more
In this video we learn how to cheat on any test by wearing a fake bandage. To do this, you will need a dark belt and a pen. First, you will lay your belt down on a flat surface and then use your pen to write out the information you need onto it. Write the notes out small and u ...more
In this ShowMeDo, Jeff Winkler demonstrates using nosy, a tool to automatically run Nose to run unit tests -- using Eclipse with the PyDev plugin. Nose is a way to automatically test your programs.
In this tutorial, we learn how to make a cheat sheet for a test. You will first need to take your shoe and place it on a white sheet of paper. From here, use a pen to trace the shape of the bottom of the shoe. After this, cut the shape out of the paper and then use it to write ...more
The first License Tests in Gran Turismo 5 on the PlayStation 3 to unlock are the National B License Tests. Once you've unlocked them (which can be done by simply purchasing a car) you can start playing the challenges. This video will show you how to get the gold trophy on the ...more
In this tutorial, we learn how to read your friend's minds with the book test. First, sit by two friends and have three books with you. Have them pick a book, then write a 3 digit number on a card, then have the other person flip the numbers and subtract them. Now have the oth ...more
There are ten separate challenges that make up the IB series of license examinations in Gran Turismo 5, and this video series shows you how to achieve a gold trophy on all of them. Get a perfect score every time you race! Part 1 of 10 - How to Earn gold trophies in all the IB ...more
This Pamie Demo shows how to setup, install and run a simple automation script. It shows you: how to install Pamie, how to create a Pamie test script to Automate a form using PythonWin IDE, how to write the script and how to run the test. The volume is really low so crank your ...more
Hello Null-Byte community. First off: this my first post here on Null-Byte. Some of you may have already seen me in the comment section, to all others: Hi, I'm the new guy. Secondly, a standardized text to wash my hands in innocence: I have used the search function with diffe ...more
In this home-science video tutorial, we learn how to test an organic substance for the presence of starch. For all of the details, including step-by-step instructions, and to get started testing for the presence of starch yourself, take a look.