National Association Search Results

How To: Perform ballistics comparisons

In this scientific video tutorial, undergraduate students in a forensic chemistry lab demonstrate how to use a comparison microscope for bullet and bullet casing comparisons, and color developments tests for impression marking enhancement (such as for filed-off serial numbers). Learn how to perform ballistics comparisons! Just like in CSI.

News: Undergrad Student Scientist Made Beer Good for You — and Your Gut Microbes — by Adding Probiotics

When Chan Mei Zhi Alcine chose her senior project, she thought outside the box by thinking inside the bottle. Along with a research team at her university, she found a way to combine health and enjoyment, while meeting a challenge not so definitively met before in alcoholic beverages. She and a research team at her university claim they've created the world's first probiotic sour beer.

How To: Remove Maggots from Your Eyeball

While maggots living in human eyeballs isn't necessarily a problem in the states, it could happen to you one day if a fly decides your warm eyeball is a suitable place for its larvae. If this rare event should happen, before you start gouging your eyeball out, remember this trick from National Geographic explorer and engineer Albert Lin and everything will be okay.

News: How Zero-Day Exploits Are Bought & Sold

Most of you already know that a zero-day exploit is an exploit that has not yet been revealed to the software vendor or the public. As a result, the vulnerability that enables the exploit hasn't been patched. This means that someone with a zero-day exploit can hack into any system that has that particular configuration or software, giving them free reign to steal information, identities, credit card info, and spy on victims.

How To: Stop your dog's excessive barking

In this how-to video, you will learn how to stop your dog from barking excessively. Dog's bark naturally. It becomes a problem when your dog barks too much. First, determine the reason why your dog is barking in the first place. From this, you can determine the next step. If your dog looks like he or she is barking at nothing, the dog is definitely barking at something because of heightened sense of hearing and smell. You must communicate to your dog what is acceptable behavior. Never reward ...

How To: Use Zotero to create bibliographies & citations

Learn to use Zotero to create bibliographies and citations with this tutorial. In addition, collect and organize information from all sources. So help correct the sources research paper. Before using the excitation features, make sure to select and prepare the style of your paper. If you are not sure ask your instructor. She has a preference style. You will select by clicking on the action button +preference then choose the style. It will include the number of most common style. You can downl...

How To: Assume a correct horseback riding position

This is a video from the Certified Horsemanship Association (CHA). See more at CHA-ahse.org and CHAInstructors.com. In this video, Brent Morgan, Christy Landwehr, and a horse named Phoenix show us the correct riding position. In the basic, safe riding position, what you're looking for is a line from the ear, through the shoulder, through the seam of the jeans, down through the heel. That is the correct riding position. As riders, we have a tendency to let our feet slide forward like we're put...

How To: Build a handheld version of the TSA's microwave-based body scanner

With the TSA's full-body scanners occupying a great deal of airports nationwide, the debate remains as to whether air travelers should continue to be subject to immoral security techniques and possible health risks due to the x-ray scanning devices. The "advanced imaging technology" may help keep obvious weapons out of major airports, but scanning naked bodies seems more voyeuristic than crucial to national security. But while the argument continues, one woman is taking a stand… well, not rea...

How To: Prevent the onset of cataracts

What is a cataract? A cataract is the clouding of that internal lens of the eye which is normally clear. That internal lens helps focus light as it comes through the pupil that when a lens starts becoming a little cloudy, patients sometimes complain that their vision seems a little foggy. There are certain risk behaviors that you can avoid to reduce the risk of getting cataracts. Get professional tips and advice on cataracts in this medical how-to video.

How To: Build a wormery

If you don't have room for a full-scale compost heap, you can always employ the services of some worms. In this handy vermiculture how-to, you'll learn how to build your very own wormery.