News: Yellow Fever Outbreak Rears Its Ugly Head in Brazilian Cities, Killing Dozens
Yellow fever has emerged again in Brazil, causing death and disease to people unprepared for this mosquito-borne illness.
Yellow fever has emerged again in Brazil, causing death and disease to people unprepared for this mosquito-borne illness.
A recent study underscores a connection between climate change and infectious disease, raising concerns about our quickly warming planet.
Kitana from "Mortal Kombat" was the original gal whos looks literally could kill. Killer curves plus killer butt-whooping skills? The girl knew how to work it.
Tremendous strides have been made in the treatment and outlook for patients infected with HIV, the human immunodeficiency virus. Treatment with a combination of antiretroviral drugs can keep patients with HIV alive for decades, without symptoms of the infection. The trouble is, if HIV-infected people stop taking their medications, the virus takes over in full force again—because the virus hides out quietly in cells of the immune system, kept in check, but not killed by the treatment.
A state of emergency has been declared in Malaysia's northeastern Kelantan state after an outbreak of avian influenza virus H5N1.
With a predicated increase in the number of Lyme disease cases in the coming spring season, new research endorses the use of bait boxes to control ticks on the rodents that serve as their hosts.
Rabbits have been a persistent problem in Australia for over 150 years. Now the Peel Harvey Catchment Council (PHCC) and Peel-Harvey Biosecurity Group have released a strain of the rabbit haemorrhagic disease virus (RHDV), called RHDV1 K5, to reduce the number of pests in the Murray region of New South Wales.
In this clip, learn all about prosopagnosia, otherwise known as "face blindness". This condition is rare and occurs at different levels of severity, usually as the result of autism or brain damage. Recently, Amanda Green graduated from high school in Minnesota despite her inability to remember or recognize people.
In this video tutorial the instructor shows how to perform basic lighting corrections in Adobe Photoshop. The levels tool is the Photoshop's most used command which has many features to it. Its most basic function is as a lighting correction tool. In this video open an image and work on its adjustment layer so that you do not damage the original picture. Now choose the levels option by right clicking and it shows a pop up window which contains a histogram which shows the population of the col...
To identify characteristics of a sample in your survey, there are many factors to consider of your samples. The first four characteristics you need to focus on are gender, age, income level, and education level. All four of these characteristics must be proportional to that of the population. You also need to consider the geographic location. Only take samples from the immediate geographical area. Finally, an important characteristic of the survey is the sample size. You do not want to ask to...
While not cuddly to most, bats are shy, skilled flyers that fill an important role in their environments. A new study reveals a deadly disease decimating North American bat populations has stepped up its attack on vulnerable bat populations in the summer months.
For a company more associated with debugging computer programs, Google's parent company, Alphabet, is making a name for itself by taking on the real thing — mosquitoes.
Exposed to hormones, pharmaceuticals, and other chemicals, the beautiful wild fish in Canada's Grand River have taken on some pretty odd characteristics—they're turning into females. A long-term study suggests using bacteria to manage polluted water could turn the tide for feminized fish.
Talk about taking one for the team. If you're an eco-friendly earth muffin who refuses to use anything chemical-ridden on yourself and the environment around you, then there exists a gnarly - though effective - approach to killing a tent worm infestation that you may want to try out if you're not squirmy.
Cambodia has had a troubled history, especially over the last 40 years, and as such medical professionals for more developed countries have often felt compelled to journey there and serve the needy. If you are already doing so or preparing to, or work in a community with a Khmer-speaking population, this video could be of help to you. It will teach you all sorts of useful medical technology in the most popular language in the country, Khmer. This should greatly improve you communication with ...
In this video, we learn how to evaluate a woman's body toxins. The best way to do this is to evaluate your life and your career. Different careers can expose you to toxicity. Another thing is test that your doctors can give you, that look at urine, blood, and saliva for toxic substances. These are not for everybody, just a certain population. But, the accuracy of these tests have not yet been proven scientifically. Not everyone needs to go on a detoxification diet, but it certainly can help y...
Is your wedding coming up in a few months? If you're like the greater population of brides, whittling yourself away with all the planning, decorating, and selection of dresses isn't enough to match your standards.
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 ExcelsFun, the 81st installment in his "Excel Statistics" series of free video lessons, you'll learn how to construct confidence intervals when the sigma (population standard deviation) is known. See how the CONFIDENCE and NO...
Rick Steinau with Ask the Exterminator demonstrates how to prevent yellow jackets from nesting in your home's walls. In mid to late summer yellow jacket populations increase. Yellow jackets can find spaces in the veneer or in cracks in bricks or siding. You can hear scratching noises in your walls as the wasps move. Observe wasp activity late in the day when they return to their nest for the night. Treat reachable holes with pesticide dust and a bellows. Leave the hole open to let the wasps f...
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 22nd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the NORMDIST function to calculate probabilities for a population with a normal (bell) distribution! You even get to see the four types of situations that you most commonly encounter -- plus visual pictures of each situation...
If there's one thing all countries have in common it's beer as a favorite evening beverage... Especially amongst the male population. In this video, learn how to correctly say the word for "beer" in the Polish language which translates to "piwo".
A calf strain is a tearing or stretching of the calf muscle. It is generally due to trauma or overuse. Symptoms are localized pain, decreased range of motion, and tightness in the area. Learn more about calf strains including treatments and symptoms in this medical video.
Experts from the World Health Organization just expressed concern for the rising number of measles outbreaks across Europe. Despite a perfectly capable existing vaccine, "immunization coverage has dropped below the necessary threshold of 95%," causing the measles to spread throughout the European region.
If you have encountered bed bugs lately, you are not alone. While the pesticides used to fight these pests are losing effectiveness, a fungus shows promise in knocking the bugs out of beds everywhere.
The eBooks scattered throughout Deus Ex: Human Revolution will allow you unlock the 'Doctorate' achievement and this three part Achievement Hunter segment will help you track them down. There are 29 of them hidden throughout the game and you'll be rewarded with 200 XP each time you find one.
In this four-part tutorial, you'll learn how to create a full human head with Blender's 3D modeling tools. Whether you're new to the Blender Foundation's popular open-source 3D computer graphics application or are a seasoned digital artist merely on the lookout for new tips and tricks, you're sure to be well served by this free video software tutorial. For more information, including step-by-step instructions, and to get started modeling your own 3D heads in Blender, take a look!
Maya can count itself among the most powerful and also most challenging programs in all of computing. It's 3D modeling potential is nearly limitless if you can master its intricacies. This video features a professional digital art teacher teaching you how to model a 3D head using Maya. You can download the skull he uses as a reference here.
Attentions all science nuts: Check out this video tutorial on human cardiac action potential. If you are interested in anatomy, biology, and especially physiology, then you have to watch these educational videos.
This tutorial series shows you how to model anatomy of the human body in Maya and gives specific tips on how to eventually be able to do it from memory. Part one starts with the head, part two the torso, part 3 the legs, part four the foot, part 5 the arm, part 6 attaching the parts and part 7 modeling hands.
Interested in making a human head sculpture? Get step-by-step instructions for sculpting a human head with expert sculpture tips in this free art lesson video series.
If you just got done watching the video tutorials on the "human skeleton structure," then this is your next step. Check out this educational science video series on the neuroanatomy of the human body.
Want to know all you can about the human body and its skeleton? Well, this science video tutorial series about human anatomy is all you'll need. Education is just a click away.
Bed bugs are parasites not yet known to spread disease — but they cause plenty of irritation. As scientists and landlords search for new ways to deal with the pests, a new study examines how we can deter bed bugs without so many chemicals.
In this tutorial Cy starts out a human figure from above in 3/4 view. Some tips for putting the horizon line on the page.
The foundation of most fine arts educations begins with the drawing of the human figure. These human figure drawing tutorials are brought to you by Cy Porter of solomation.com. Search WonderHowTo for more figure drawing tutorials by Cy.
The foundation of most fine arts educations begins with the drawing of the human figure. These human figure drawing tutorials are brought to you by Cy Porter of solomation.com. Search WonderHowTo for more figure drawing tutorials by Cy.
Figure drawing is the basis of fine arts education, so watch this how to video on drawing the human neck. To draw the human neck, pay attention to the muscles and bones that represent its shape. Draw an anatomical human neck with tips from a professional illustrator in this free instructional video on drawing.
Get out your scalpel and remove the skin of your cadaver, because you're going to learn how to dissect a human to see the superficial neck. This anatomy video tutorial will teach you how to cut away the platysma muscle, which is a muscle of facial expression. You can't beat science, and you can't beat looking at the superficial neck of a human corpse.
New research explores how the bacteria on the penis can leave men more susceptible to infection with HIV.
Zika is a threat to unborn babies — the virus can cause neurological damage if it infects a mother during pregnancy. But as with many things, our solutions to the problem aren't always all that much better than the problem itself.