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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: Perform a front flip on a wakeboard

In this how-to video, you will learn how to do a front flip using a wake board. The goal is to take it big and take it out to the flats. Do not cut out as far as you can. Take the handle locked in the same position, comfortably towards the chest. This is held in the same position throughout the flip. As for the body position, notice that the rider is in a comfortable knees bent position. Slowly ride off the edge as you approach the wake. This will lessen the pull of the rope at takeoff. This ...

How To: Make a paper football launcher

Use paper to be creative and engage in some easy crafts to create something out of a simple piece of paper. 1. In this paper craft start by creating a paper football and a paper boat. They are quite easy to make, and if you do not know how to do them you can easily find videos which describe how to do each one of them on the internet. 2. Once you have both the paper football and the paper boat you will be able to create a paper launcher by following this video. 3. Start by turning the paper b...

How To: Replace a spoke behind the freewheel

Ever had a spoke break on your bike wheel? Don't throw the wheel away! Repairing a spoke only takes a few tools and some patience. You will need, at a minimum: a freewheel tool (used to remove the part of the wheel that engages the bike chain), a wrench, and a screwdriver. First, remove the tire and inner tube from the wheel. Next, remove any parts of the broken spoke that are accessible from the underside of the wheel rim. If the spoke is attached to the side of the wheel where the freewheel...

How To: Prevent road rage

The road can sometimes resemble a battle field. Tailgaters, horn-honkers, and jerks who cut you off are enough to drive any driver batty. Here's how to keep your cool behind the wheel and stay calm during moments in which you'd like to explode.

How To: Exercise with hanging knee lifts

Have you tried working out with hanging knee lifts? If so, you know that they are an essential part of lifting weights and strength training. This fitness how-to video demonstrates how to work out the legs and abs with hanging knee lifts. Learn how to do knee lift exercises in this training video.