Harm Caused Search Results

News: A Bacteria Could Stop Citrus Greening Disease from Killing Orange Trees

Citrus greening disease — caused by a bacteria spread by psyllid insects — is threatening to wipe out Florida's citrus crop. Researchers have identified a small protein found in a second bacteria living in the insects that helps bacteria causing citrus greening disease survive and spread. They believe the discovery could result in a spray that could potentially help save the trees from the bacterial invasion.

News: A Common Cancer-Causing Mono Virus Has a Special Trick to Hide from the Body's Defenses

Most of us have already had an encounter with the Epstein-Barr virus, or EBV, for short. As part of the herpes family, it's one of the most common disease-causing viruses in humans. We get the disease with (or without) some nasty symptoms, then we recover. However, EBV stays in our body after the illness has ended, and it's one of the few viruses known to cause cancer.

How To: Make Tight Loops When Fly Casting

When casting a flyrod, in most cases, tight loops will allow the fly to travel farther, more accurately, and with less effort. To cast these tight loops, the tip of the rod must travel in a straight line path, slack must be eliminated, and there must be a constant acceleration to a sudden stop. The most common mistake is using the wrist to move the rod which causes the tip to travel in a half circle or windshield wiper type motion.

News: Playing an Electric Guitar With 100,000V

Video: . I made this Tesla Coil using the myRIO and LabVIEW. It uses electricity to play the music, which can be Star Wars, Harry Potter or even Hunger Games! The music is played by the spark heating the surrounding air (causing it to expand) then the spark turning off (causing the air to cool and contract). This expanding and contracting cause's longitudinal waves - or sound waves.

How To: Prevent gas

While intestinal gas is a normal occurrence within the digestive process, it can also cause bloating, burping and flatulence. Follow these tips to remedy the problem.

How To: Prevent chapped lips

Are you constantly battling chapped lips? The right prevention methods can restore lip moisture in no time. Watch this Howcast guide to learn how to prevent chapped lips. Nobody wants chapped lips - lips should be soft and kissable.

How To: Treat a nosebleed

Nosebleed or the official term is epistaxis is bleeding from the nasal cavity. Nose bleeds are very common and are often caused by dry air, illness, or trauma. Learn more about the causes, symptoms and treatments of nose bleeds in this medical how-to video.

How To: Use the iOS 4.0 operating system on an Apple iPhone 3G

This clip presents a general overview of Apple's iOS 4.0. Apple's new iOS 4 for the iPhone and iPod Touch brings with it a host of new features. While that's certainly a cause for celebration, there's also, believe it or not, a downside: learning how to take advantage of them. Happily, the web is awash in helpful video tutorials like this one which make the process a pleasure (and a simple one at that).

How To: Use application multitasking in Apple's iOS 4

Learn how to multitask when running iOS 4! Apple's new iOS 4 for the iPhone and iPod Touch brings with it a host of new features. While that's certainly a cause for celebration, there's also, believe it or not, a downside: learning how to take advantage of them. Happily, the web is awash in helpful video tutorials like this one which make the process a pleasure (and a simple one at that).

How To: Easily weather seal your garage door

If you have a garage door attached to your home, it's important to know that it's a space that needs proper insulation as well. Not doing so can lead to a room that is cold to walk into and can cause other rooms in your home to become cold as well. In this next tutorial, you'll find out what you need to do in order to easily weather seal your garage door. Enjoy!