Science

How to Discuss M-Theory Like a Physicist

By eHow Hobbies, Games & Toys Editor

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Everyone wants to appear to be smarter than they actually are, and there is no better way to impress someone than by discussing the highly complex M-Theory of modern physics. Dropping a few sentences about this potentially revolutionary and very ... more »

How to Discuss Science With a Creationist

By eHow Hobbies, Games & Toys Editor

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Conversations about creationism and evolution can get muddled down in misunderstandings and emotional arguments. However, there’s no reason why you can’t have a perfectly reasonable discussion about science with a creationist. By following these ... more »

How to Display Artifacts

By eHow Hobbies, Games & Toys Editor

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Buying new pieces is only half the fun of being an artifacts collector. Properly caring for and displaying your items may give you a sense of accomplishment and satisfaction. It will also help you rest easier, knowing your artifacts are in a safe ... more »

How to Dispose of Acid

By eHow Hobbies, Games & Toys Editor

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Over a period of time, most of us have built up a few waste products that are acidic in nature. It is not wise to dispose of these things by just pouring them out on the ground to wash away with the next rain. In most places, it is in fact now ... more »

How to Dissect Your First Body

By Jonathan F.

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Dissecting a cadaver is always a visceral experience. Most people never get to experience the mix of emotions that comes from cutting into the body of the recently deceased. If approached with the right amounts of enthusiasm and sensitivity, ... more »

How to Dissolve an Eggshell

By eHow Hobbies, Games & Toys Editor

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Dissolving an eggshell is a fun science experiment you can do in your classroom or with your kids. With just a few chemicals and a little bit of time, you'll find it's actually possible to dissolve an eggshell... more »

How to Distinguish Authentic Artifacts

By eHow Hobbies, Games & Toys Editor

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Artifacts collecting has been a popular pastime since the glory days of Rome. The presence of forgeries also dates back to around this time. Modern forgeries can be difficult to detect, but if you train yourself to distinguish authentic ... more »

How to Do a Gram Stain

By eHow Hobbies, Games & Toys Editor

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Gram staining is a procedure commonly used in biology and medicine to help differentiate between Gram-positive bacteria and Gram-negative bacteria. Here's how to do a Gram stain... more »

How to Do Bernoulli's Theorem Experiment With a Plastic Bottle

By eHow Hobbies, Games & Toys Editor

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Basically, Bernoulli's theorem states that in areas where air moves rapidly, pressure is low. This explains how airplanes fly and how curveballs work. Another way to think about it is that water moves faster through a narrow section of pipe than ... more »

How to Do Bernoulli's Theorem Science Experiment With a Golf Ball

By eHow Hobbies, Games & Toys Editor

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Bernoulli's Theorem relates the speed of moving air or fluid with pressure and is demonstrated through an experiment with a golf ball and a vacuum hose. Follow these steps to help you do this Bernoulli's Theorem science experiment with a golf ball... more »

How to Electrocute a Pickle

By Jonathan F.

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Pickles are more than a simple, tasty garnish--they are also science experiments waiting to happen. Pickles are rich in Na+ and Cl- ions, which allows them to conduct electricity. As the pickle juice is boiled--in this case, with high voltage--it ... more »

How to Enjoy a Day at the Creation Museum

By Pomeroy

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The Creation Museum is a wonderful place to take the whole family. There is a tone of things to do and see. Here are some tips on how to make the most of your Creation Museum experience... more »

How to Expand Ivory Soap

By eHow Hobbies, Games & Toys Editor

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Using everyday items to perform household chemistry experiments is a good way to get kids interested in science. For instance, if you have a regular old microwave you can amaze your kids by turning a hard bar of Ivory soap into an expanding puff ... more »

How to Experience the Pinocchio Effect

By eHow Hobbies, Games & Toys Editor

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The Pinocchio Effect is a term used by researchers to explain the sensation of a "phantom limb" that occurs after a limb has been amputated and how our brain must tell our body a lie to explain the strange physical sensation... more »

How to Fight Global Warming by Reducing Cow Burps

By ericmack

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Just about everyone and everything you know is spewing carbon dioxide into the air these days, adding to global warming. But what about all those methane-belching cattle on the side of the interstate? What are they doing to fight climate change? ... more »

How to Find Cool Stuff on the Library of Congress Web Site

By mortarmom505

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The Library of Congress Web Site has an amazing wealth of information... you literally could spend an entire day exploring ... it has something for everybody! Teachers, students, researchers, history buffs! If you are in D.C. be sure to take a ... more »

How to Find Out More About Francium

By eHow Hobbies, Games & Toys Editor

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Francium, the 87th and most unstable element, makes up less than one part per billion of all matter in the universe. Students of science can find out more information about francium by following these steps... more »

How to Find Out More About Hydrogen

By eHow Education Editor

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Hydrogen, the first element, constitutes most of the matter in the universe and is the simplest element. As a subject, hydrogen has much to offer students of not only science but also history. The following steps will aid in your search for ... more »

How to Find Out More About Iodine

By eHow Hobbies, Games & Toys Editor

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Iodine, the 53rd element, comprises less than 1 part per billion of all matter in the universe. Iodine is believed to be the heaviest element required by humans. This element has much to offer students of both science and history. The following ... more »

How to Find Out More About Oxygen

By eHow Hobbies, Games & Toys Editor

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Oxygen, the eighth element in the periodic table, comprises 1 percent of all matter in the universe. Oxygen is a major component of air due to photosynthesis by plants and is necessary for aerobic respiration in animals. This element has much to ... more »

How to Find Out More About Rhodium

By eHow Hobbies, Games & Toys Editor

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Rhodium, the 45th element, comprises less than 1 part per billion of all matter in the universe. Rhodium is frequently used as an alloying agent to harden platinum and palladium. This element has much to offer students of both science and ... more »

How to Find the Current Time

By eHow Travel Editor

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It can be disorienting to not know what time it is. If your usual timepiece isn't working, use one of the following methods to find the time... more »

How to Find the Mean

By RickDavisFL

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In mathematics--and statistics specifically--there are 3 common measures of center: the mean, median and mode. Each may offer a different value identifying a measure of center even though the same data set is used, so careful thought should be ... more »

How to Find Wild Anemones

By eHow Hobbies, Games & Toys Editor

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The variety of cnidarians known as sea anemones are often kept in fish tanks as pets, but it is possible to see them in their natural habitat. Anemones are reef-dwelling animals related to jellyfish and other small underwater creatures. They are ... more »

How to Forecast Snow

By eHow Hobbies, Games & Toys Editor

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You love snow when you can ski in it or sled on it. You hate snow when you have to shovel it, drive in it or be housebound because of it during the winter. Ever wonder how the weatherman can forecast when and how much it will snow? Here's part of ... more »

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