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News: Bacteria Turned into Factories, Supplying Critical Enzymes to Make Cancer Drugs Cheaper & Save Endangered Yew Trees

Cytochrome P450 (P450s) are proteins found in nearly all living organisms, which play roles that range from producing essential compounds and hormones to metabolizing drugs and toxins. We use some of the compounds synthesized by P450 in plants as medical treatments, but the slow growth and limited supply of these plants have put the drugs' availability in jeopardy and jacked up prices.

How To: The Perfect Formula for Making Any Cocktail

Like many others, I like a good cocktail every now and then, and I've always been impressed when my cocktail enthusiast friends would come up with a new drink or even just remember how to concoct a Clover Club (FYI, it's made with gin, raspberry syrup, lemon, and egg white). There's a secret bartenders and craft cocktail aficionados know, though: It's all about math, the simplest and most intoxicating math. Pythagoras would be so proud.

How To: Improve your bike's night visibility

In some places, it's illegal to ride your bike at night without lights or reflectors, so if you plan on going for a joyride on your street bike, then you need to be prepared to share the road with vehicles and be seen. Appropriate gear and lighting are essential for safety when riding a bike at night.

How To: Mortar a firepit

There's nothing like spending a nice cool spring evening outside in front of a fire. Now, you can buy your own firepit or metal fire bowl so you and other can enjoy it outside easily, but those don't last very long. What does last for a long period of time is a firepit that you build from hand. This tutorial shows you how to build a mortar fire pit using essential tools and equipment. Enjoy!

How To: Use a kayak rudder

First of all you have to understand that if you don't have a rudder in you kayak, still you need not worry. The rudder is far from being any essential piece of the kayak. However if you still decide to want one then you can add one later. Rudder is placed on the side of the kayak. When you want to lower it then you have to pull the chord to move it down from its stored position. You have to control the rudder with foot pedals. The main purpose of the rudder in a kayak is not to turn a kayak. ...

How To: Do beginner tango dancing

Want to become a good Ballroom dancer? Libreros step number five of tango dancing is the ouside swivel - a mans step. Start by facing the center of the room in the close position. Take a forward step on the left foot and a side step swinging your right foot to the side. Put your weight onto the right foot and lean back then take a step back with your left foot in the contra body position. As you are stepping back with the left foot, your body turns to the right, helping you partner "swivel." ...

How To: Make fizzing bath bombs

Janice Cox shows how to make fizzing bath bombs like the ones you see in bath and beauty boutiques or department stores. These bath bombs can be very relaxing when dropped into a warm bath and can be given as gifts. She starts with about a cup of citric acid crystals which is also called powdered vitamin C or ascorbic acid. Citric acid can be purchased in places that sell wine and beer making equipment and online. The next ingredients come from right out of the kitchen cupboard: a cup of baki...

How To: Put strings on an electric guitar

In this how-to video, you will learn how to change your guitar strings. This is essential in learning how to maintain your guitar. Make sure you roll up your used guitar strings and throw them away in the trash. Unwrap the new strings. The string bag should have a label of what string it is. Put the correct string through the end of the hole in the back of the guitar. It should come out the other side. Pull it through and make sure the end of the string with the ball stops the string from goi...

How To: Be a lineman in football

This how to video shows you how to become a better lineman. First, you will need to know that blocking is a matter of position, leverage, and force. You should have courage, determination, intelligence, and willingness to give maximum effort for six seconds. For the first drill, you will have the fit drill. You will line up against a team mate and drive them up for five yards. The next drill is the two step punch and fit drill. You will emphasize your first initial step into the blocker. Thro...

How To: Avoid common mistakes when gripping a golf club

In golf the grip is the key essential feature and this video shows you the most common mistakes. It is intended for a right handed golfer - left handed players should note that the opposite applies. Let your hands fall to your sides and let your fingers fall to the grip. The video shows a weak, neutral and strong grip. The strong grip shows a V shape formed by the left thumb and forefinger pointed to the right shoulder. The palm of the right hand should face the target. You should let the fin...

How To: Say essential words in Tagalog

This video is a language lesson in Tagalog. You will learn how to say that you like something or don't like something, that you know or don't know something, and to ask questions beginning with "Do you like", "Do you know" and "Do you understand". The way to ask someone if they like something is, "Gusto mo ba?" To answer positively, say, "Gusto ko!" To answer negatively, say, "Hindi ko gusto." To ask "Do you know?", say "Alam mo ba?" To answer positively, say, "Alam ko." To answer negatively,...

How To: Hypnotize someone

Hypnosis can be used to manage pain, relieve anxiety, conquer phobias, prepare for childbirth, and cure insomnia, among other things. With a little practice and some simple techniques, you can amuse your friends or help them break a habit through hypnosis. Learn how to hypnotize someone with help from this how-to video.

How To: Prepare before treating your home for bed bugs

1. Prepare transparent plastic bags and boxes for disposal of paper, equipment, decorations and all the things that are stored on or in your furniture. (They should be transparent to enable you to see which items are in it because you will be living out of these boxes and bags for the next couple of weeks.)

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.

How To: Do a biceps curl in perfect form with weights

Have you tried working out with a bicep curl? Biceps curls are an essential part of lifting weights and strength training. This fitness how-to video demonstrates how to do these exercises with perfect form. Getting big biceps means doing curls and lifting dumbbell weights. Learn how to do biceps curls to workout the muscles in this weightlifting video workout.

How To: Exercise thighs with outer thigh presses

Have you tried working out with outer thigh presses? Outer thigh presses are an essential part of lifting weights and strength training. This fitness how-to video tutorial demonstrates how to increase thigh power with outer thigh presses. Learn about muscle training and exercises in this video.