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News: How Researchers Could Use Bacteria to Determine Time of Death

When a dead body is discovered, finding out when the person died is just as important as finding out how the person died. Determining the time of death has always involved lots of complicated scientific detective work and less-than-reliable methods. However, a study by Nathan H. Lents, a molecular biologist at the John Jay College of Criminal Justice in New York, is the first of its kind to show how microbes colonize a body's ears and nose after death.

How To: 10 Reasons You Need to Add Cinnamon to Your Coffee

Creamer, milk (whole or skim), sugar, or even butter—you've probably added at least one of these to your coffee to improve its taste at some point. If you're looking for something different, though, try a new twist with a dash of cinnamon. This sweet, sharp spice can do so much more than improve coffee's taste, and I've got 10 examples for you to consider.

How To: Spot a Counterfeit iPhone or Android Smartphone

Cheap Chinese knockoffs have been around for ages, but recently, skyrocketing demand has led to a massive influx of counterfeit smartphones. Sellers on Craigslist seem to have no trouble getting ahold of these fake devices, then passing them off as the real deal and turning a solid profit before vanishing into thin air. This type of scam tends to happen even more frequently after Apple launches a new iPhone or Samsung debuts a new Galaxy.

News: How to Win a Trip to Explore Antarctica (Sponsored)

Air New Zealand is looking for a spokesperson for the Antarctica: No Ordinary Place, No Ordinary Assignment project, a two-week adventure in Antarctica, where the chosen candidate will join National Geographic photographer Jason Edwards to document environmental issues and important research being conducted by research teams sponsored by Air New Zealand and Antarctica New Zealand.

How To: Make a continuous daisy chain necklace

This video shows you how to create a continuous, daisy-chain necklace. The materials used include: size 11 rock eyes in yellow, red and purple, a toggle clasp , 9mm thread and a size 10 beading needle. Start by sewing on one half of the clasp, tying a knot to hold it in place. Be sure to leave the tail ends long enough to be able to re-thread it later with a needle to sew the tail ends. The video then shows the precise order in which the various beads are threaded through to produce a chain i...

How To: Scratch on turntables for beginners

The video is from the DJ tutorial and it shows us the basic principles of scratching for the beginners. And the first lesson you should learn is that there are basically four movements and here you will actually be not going to scratch put will be moving the record forward and backward. These four moves form the basis for starting to learn scratching. First you need are the type of sounds which are either acapella (song with no music) or with sounds (tracks with breaks on it). Before starting...

How To: Make an overall jumper for your doll

This video shows you how to make an overall or jump suit for your doll. It is suitable for both boy and girl dolls. Take some material, plain or patterned. You need two buttons or studs for decoration. Make a square of material about 13cm by 13cm. It does not have to be precise. Fold it in half. Mark 5cm at one edge and 4cm at the other. Join up the marks and cut out the shape. Make another one the same, and sew the two together. Fold and sew the waist. For the front patch cut two layers 5cm ...

How To: Approximate the area under a curve using rectangles

The idea of finding the area under a curve is an important fundamental concept in calculus. Consider a function y = f(x). Now the area under the curve is to be calculated. The area under a curve problem is stated as 'Let f(x) be non negative on [a, b]. Find the area of the region lying beneath the curve y = f(x) and above the x-axes, from x = a to x = b. Note that finding the area under a curve will imply that you are dealing with a non negative function. The way to approach is to divide the ...

How To: Make a paper water lily

1) Make sure the paper used to make the origami water lily is a true square. One can use the paper one happens to have on hand, but anything heavier than lined notebook paper is best. 2) Work on a flat and hard surface so that all creases and folds are precise. 3) Place the paper square on the flat, hard surface so that the edges are facing in every direction. Be sure to have the colored side down if the paper is two sided. 4) Fold the paper in half from top to bottom. Crease the fold then un...

How To: Use a candy thermometer

Making a batch of candy this holiday season? To make a successful batch of candy, you need the precise temperature, consistency, and timing during the cooking process. Watch this video to learn how to use a candy thermometer.

How To: Eat sushi at a restaurant

Sushi is one of the fastest-growing cuisines across the globe. To become a true citizen of the world, prepare yourself with this primer on sushi-eating rituals. Watch this how to video to learn how to properly eat sushi.

How To: Make the y-axis rails and nut for a CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Say "I love you" in Mandarin and Cantonese Chinese

In this video we learn how to say "I love you" in Mandarin and Cantonese Chinese. To say "I love you" in Mandarin, you would say "Wo ai ni". To say this in Cantonese, you would say "ngo ngoi ney". Say each part of these words slowly and practice them to make them sound perfect. There are different dialects you need for each of the types of Chinese, so take your time when researching and practicing. Once you get these down, you will be able to learn more basic phrases and be on the way to lear...

How To: Make an edible plant cell model for biology class

Science fairs are some of the most creative moments during the elementary school period. Not only are you able to research a topic of interest, but you also have try to find various ways in which to showyour scientific results. In this case, you'll find out how to make an edible plant cell model for an easy science fair project of for biology class. It's easy to do and will surely attract the attention of your teacher and others. Enjoy!

How To: Increase your height through better posture

In this video HeightSecrets shows how you can actually grow taller. He explains how he has done research on how to make yourself taller. He starts off by explaining how changing your posture can add one to two inches instantly by just changing your posture. He then goes on to show exercises that can stretch you out a good bit. Not only does he talk about posture and exercise but he then goes on to tell you about how drinking plenty of water and resting can yield better results.

How To: Choose a dog

Bringing a pet into your household is an important decision. Consider these factors when choosing a breed. Watch this video to learn how to choose the right dog breed for you.