Transmitted by a sandfly one-third the size of a mosquito, parasitic Leishmania protozoa are responsible for a flesh-destroying disease that kills an estimated 20,000 people per year. Two new studies offer understanding of how the parasite provides immunity through persistence and why some people suffer more virulent forms of the disease.
Where in the world did it come from? All of a sudden, one day, someone had an infection with flesh-eating bacteria. It captured headlines and worldwide attention because it was such a severe, strange, uncontrollable, and really disgusting condition.
Using extreme time-lapse microscopy, scientists watched a virus take over a bacteria to create a cell that looked and functioned more like a plant or animal cell. True story.
Using mathematical modeling, researchers suggest weather and warming created the "perfect storm" that drove the Zika outbreak in 2016.
The presence of certain bacteria can indicate whether the vaginal tract is healthy or not. It could also impact the likelihood of acquiring certain sexually transmitted diseases, like HIV, a new study suggests.
When the time comes to replace your car, you most likely have a checklist of criteria that you would like on the new one. Your car is possibly the most expensive possession you have—or the second-most expensive, after your home—so you want to make sure that you are not only getting what you want, but that you are getting the best deal possible.
Passwords are everywhere. We use them to unlock phones, computers, websites, encrypted disks, encrypted files... the list just goes on and on. Savvy users will already have a password manager of some sort that can generate a very strong password on a per site basis. However, these password managers also require a password. Not only that, it has to be something memorable.
When shopping for a new smartphone, you'll encounter comparisons and spec sheets that are filled to the brim with values like mAh, GB, and GHz. To the average consumer, however, these values are meaningless, so we end up looking at which device has the specs with the highest actual numbers.
I'm starting to wonder if the people at Boston Dynamics have ever watched a Terminator movie. Not just because the robotics company with the oxymoronic name develops machines that are able to move around environments with animal- and human-like agility, but because the people testing them seem to take such joy in openly antagonizing their creations. It's one thing to tempt fate by creating superhuman robots that could potentially end mankind. You've reached a whole new level of hubris when yo...
Microsoft is working hard to make Bing a good alternative to Google for more than just looking up images of the "human anatomy" that Google and a lot of other search engines filter out of their results.
YouTube's massive user base comprises almost one third of all people on the internet, and collectively, users spend well over 100 million hours on the site watching billions of videos each day. Add it all up, and this means that YouTube is viewed by more people than any U.S. cable network—making it by far the favorite "TV station" of the internet generation.
Welcome to a tutorial on XOR encryption. We'll be looking at what XOR is and how we can use it to encrypt or decrypt data.
Of course, if it were a perfect form of currency, it would have become the standard by now. But it hasn't. Wanna know why? The story begins with the advent of agriculture, when humans had settled down under groups as units called villages, over 10,000 years ago.
Welcome back, my novice hackers! In my series on cracking passwords, I began by showing off some basic password-cracking principles; developed an efficient password-cracking strategy; demonstrated how to use Hashcat, one of the most powerful password-cracking programs; and showed how to create a custom wordlist using Crunch. In this tutorial, I will show you how to create a custom wordlist based upon the industry or business of the targets using CeWL.
There are many, many home remedies out there for relieving itchy mosquito bites. Everything from mud to banana peels and basil leaves to Alka-Seltzer tablets can help curb the itch. But before you even have to resort to any of those methods, you should be thinking about prevention. Wearing white clothing can help to keep mosquitoes aways from your skin, and there are many plants that will help mask your mosquito-attracting smell. But there's even more ways to keep those bloodsucking bugs away.
Just what are probiotics and why are they so good for you? Probiotics are "viable microorganisms" that can confer lots and lots of health benefits if they reach your intestine while they're alive. You may have heard them described as "friendly bacteria."
Fasting—or the practice of regularly abstaining from ingesting anything except water—is a pretty drastic move. I tried to fast for two days and made it to the 12-hour mark, which is when I broke down and ate a quart of ice cream.
Spiders are common pests that typically prefer to live outdoors. However, insects and warmth will eventually attract them into our houses. They like to spin their webs in corners, crevices and unused areas of your house. Most species are harmless and even act as a natural repellent for getting rid of other insects. However, in some cases, spiders can be very dangerous. Whichever the case may be, they are scary and people are always looking for natural ways to get rid of them.
It may not be as large as the Samsung Galaxy Note 2, but the Galaxy S3's screen size is still big enough to make iPhone owners cry themselves to sleep. The 4.8-inch AMOLED display with 720 x 1280 pixels makes the GS3 a great mobile companion—and an even better portable gaming device.
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 their own foibles to the role. Some of the names may even surprise you: Tom Baker, John Cleese, Peter Cushing, Charlton Heston, Christopher Lee, Roger Moore, and even Leonard Nimoy.
Your entire life has been a lie. Mario does not hit blocks with his head, footlong subs are never really 12 inches long, and those paper ketchup cups at fast food joints aren't just little cups. And that's not the worst of it. What I'm about to tell you next is the revelation of all revelations.
If your cat and you seem a little stressed out, massaging the cat can be good for both of you. Watch this video to learn a little routine sure to please both human and cat.
Do you consider yourself a survivalist? Well, you can't be a survival expert if you don't know how to start a fire without a match or lighter. The bow drill is an ancient tool for making fire. The bow rotates the drill, and the friction produces enough heat to start a fire.
Goldiestarling presents you this video where she does a make-up inspired by late Bette Davis was a Hollywood actress. She says that Bette Davis is her all time favorite actress and she loved her from her high school days. She says the Bette was a very strong lady even in her real life and if you Google on her or watch her movies, you too will like her. This make-up she has done she says is based on Bette's character in the movie called 'Of Human Bondage' in which she plays a waitress and late...
Ever wanted to know how to disable an attacker? The trick to getting away from an assailant – even one who's bigger and stronger than you are – is to hit 'em where it hurts.
Step 1: Score! Watch for the referee signaling a touchdown, field goal, extra point, or successful try by raising their arms straight up over their head. Raising their hands above their head with palms together signals a safety.
Watch this video tutorial to learn how to calculate your carbon footprint. A carbon footprint is an equation that estimates just how much you, personally, are contributing to global warming—and all you have to do is plug some info into an online calculator. Figuring out how to make your footprint smaller, of course, is another matter.
The human body contains nine units of blood—but in matters of a traumatic cut or injury, it's always better to be safe than sorry. If you're unsure whether you're in an emergency situation, get to an emergency room and let them decide.
Draw your human figures! This how-to video shows the steps of rendering a sketch of a woman's face. There are no audio instructions, but the process is detailed very closely in a visual guide. Watch this video drawing tutorial and learn how to make a female profile.
Draw human figures! This how-to video shows the steps of rendering a sketch of a man's face. There are no audio instructions, but the process is detailed very closely in a visual guide. Watch this video drawing tutorial and learn how to make a male profile.
Draw a realistic man! This how-to video shows the steps of rendering a sketch of a human man. There are no audio instructions, but the process is detailed very closely in a visual guide. Watch this video drawing tutorial and learn how to sketch the male figure.
Take a moment to try to draw a basic face. This is a helpful drawing tutorial for those who have never tried to draw before. Learn how to map out the proportions of the human face. This type of drawing is also helpful for comic book artists and animators who need to draw different characters quickly.
Refining and polishing a wax sculpture is key to finishing a realistic piece; finish carving a human head from wax with a professional artist in this free sculpting video series.
Salmon is full of protein and omega 3 fatty acid which helps you’re brain function and is a healthy fat. Add this delicious and healthy fish to your dinner with simple seasoning and cooking method that will really show off the flavor.
Deer can wreck havoc on your plants and yard. No need to go to war with the deer, when with a few tricks of the trade, deer can be discouraged from feeding on your yard. The neighbor‘s yard, on the other hand, might seem that much more appealing.
Recognizing the signs of schizophrenia is the fist step toward getting help and proper treat for a loved one with this serious mental health affliction. With proper medication and therapy schizophrenia can be controlled so check for and understand what to look for.
Feeling someone's forehead when they are sick is an outdated way to check for a fever. Follow along with this video and learn how to take an accurate reading so you know whether or not to seek medical help.
Is someone more interested in you than you are in them? Can't get them to go away or take the hint? Don't worry, this tutorial is here to help with tips and tricks for how to get that unwanted suitor out of your hair and avoid a remake of "Fatal Attraction".
1. Remove the old makeup and sealer. If you are working on a vinyl or resin doll, you can remove the makeup with a non-acetone nail polish remover. Afterward, wash the face well with soap and water. Work at any stubborn stains with a Mr. Clean Magic Eraser. 2. Sand the head, if necessary. Sometimes dolls will come with set-in stains that no stain remover can touch, or with scratches and gouges in the face. If your doll head is made of resin, in particular, do all your sanding underwater to pr...
In this video series, watch as makeup artist Matt Cail teaches how to make a Druid costume and do Druid makeup. Learn how to find the robe, apply the Celtic lettering to the forehead, find props, and how to distinguish a Druid costume from a monk costume. The Druids don't have to be forgotten, let the spirit of Stonehenge fill you with its mysterious power and take you back to the land of dragons, runes, and human sacrifices...and have a great Halloween costume.
