Chemical Contaminants Search Results

How To: Get rid of garden snails using nontoxic solutions

Snails can have a devastating effect on your garden but there are ways without using toxic chemicals to get your snail problem under control. You can use pick snails off by hand and throw them away, you can put out iron phosphate based bait, or you can put a bowl of beer out which they will be drawn to and away from your garden.

How To: Make gooey slime for kids

Make Slime! This one is easy. Just mix equal parts of glue and water and then add an equal part of liquid starch. Just like that you have gooey slime. The more you play with it the more fun it becomes. This acclivity causes the polymer chains in the glue to cross link with chemicals in the starch. The result is an awesome stretchy slime.

How To: Break chemical bonds

A difficult concept for many students to understand is the energy involved in breaking and forming bonds. A hydrate is a substance that has water bonded to it. In order to dehydrate you must add energy (endothermic) to break the bond to water. When hydrating you are forming a bond to water and will release energy (exothermic). This visual demonstration reinforces the concept.

How To: Clean and detail an engine

Learn how to clean your auto engine with these great tips. • Apply spray wax to fenders to prevent spotting on the paint, from engine degreaser. • An alternator is a crucial electrical device which must be protected from water and other chemicals. as a precaution, cover it with a plastic bag and the distributor cap if it is visible. • Spray WD40 on any exposed wires to prevent water or chemicals from penetrating. • Wet underneath the hood; wet the engine; use low pressure water on the engine ...

How To: Make blobs in a bottle with a Lava Lamp effect

The World's Easiest Lava Lamp! This is an easy, fun science activity that is great for any age. In fact, our video crew ended up taking the extra bottles home to show their friends. It is also a great demonstration of liquid density, the release of gases in a chemical reaction, acids and bases, intermolecular polarity, and well, just plain science coolness.

How To: Remove Super Glue

If you've ever gotten super glue stuck to your fingers, you know what a pain it can be to get it off again! Don't worry - there's a simple household item you probably already stock that can take care of your super glue super mess!

News: The Galaxy S9 Is IP68 Water-Resistant — Here's What That Really Means

The day has finally arrived — Samsung has unveiled the Galaxy S9 and S9+. Apart from minor upgrades, the two might not appear to be much different from last year's S8 and S8+, but that's not necessarily a bad thing. One feature that hasn't changed is the Galaxy's IP68 water-resistance rating. That's a great score, but it begs the question — what does that number really mean?

News: Researchers Look to Cows to Create Vaccine for HIV

A vaccine against HIV might prevent the disease that we can't seem to cure. Some HIV patients make antibodies that can take down the virus, much the way a vaccine might. But, scientists haven't been able to provoke that type of response in other people. However, in a process that might work in humans, a group of researchers has successfully generated antibodies in cows that neutralize multiple strains of HIV.

News: New Study Says Stopping Slimy Biofilms Could Save Thousands a Year from Legionnaires' Disease

In the summer of 1976, 4,000 American Legionnaires descended upon the Bellevue-Stratford Hotel in Philadelphia, Pennsylvania, for a four-day convention. Several days later, many of the attendees experienced symptoms of severe pneumonia. By the beginning of August, 22 people had died. The Centers for Disease Control and Prevention (CDC) estimate that about 180 people were sickened and 29 people died before this mysterious outbreak burnt out.

Fear the Itch: Prevent Mosquito Bites by Avoiding These Foods & Activities

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.

How To: Naturally Deodorize a Stinky Garbage Disposal

Things smell, and whether or not those things smell good or not is up to you. For lingering food odors on your hands, try using stainless steel or coffee grounds to remove the stench. To de-stink smelly jars, use mustard and water. For cutting boards, use lemons and salt, and use cinnamon and sugar for your funky kitchen. In your fridge, combine baking soda and a sponge, or even just orange peels and salt.