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A blood blister is an unsightly red blister that can form anywhere on the skin. Unlike a regular blister, a blood blister appears red because it is filled with blood, lymph and other fluids trapped beneath the skin. Blood blisters are usually painful, but will usually heal in a week or two with the proper treatment. If you have ever wondered what causes these irritating blisters, keep reading to find out.
Weasels are a mammals that belong to the Mustelidae family. This family of animals also includes animals such as, the wolverine, otter, badger and mink. They are carnivores and prey on small mammals. There are over 10 species of weasel that are widely distributed throughout much of the world. Let’s take a closer look where weasels can be found.
Pumice is a lightweight volcanic rock made of solidified lava that was violently ejected from the volcano. It is usually pale in color, but it is sometimes brown or black. It forms when the lava is rapidly cooled and depressurized, which leads to bubbles and makes the rock porous. It may also form when water mixes with lava. Pumice has a number of niche applications and is widely used throughout the world because it occurs naturally in many places.
Bradley Cooper is a celebrity actor who landed his first role on the popular television series “Sex and the City” in 1999. A year later he made his film debut and landed a bigger role on television. His career gained momentum quickly and it wasn’t long before he was regularly landing starring roles. In November 2011 he was named the “Sexiest Man Alive” by People magazine. This will only add to his popularity and continue to make him one of the most sort after actors in Hollywood. The following is a list of movies that Bradley Cooper has acted in during his career so far.
Smoke detectors, also called smoke alarms, are small appliances that are installed in commercial and residential buildings to warn inhabitants of fire. As their name suggests they are triggered by smoke. They come in a variety of different types with some being battery powered while others are wired into the buildings electric system. Most commercial and mass residential smoke detectors trigger a fire system which alerts the local fire authorities of a potential fire. Household smoke alarms issue a loud auditory alarm or a visual alarm to warn occupants of the potential danger.
Coffee is a popular beverage that is dark brown to black in color. It is made from ground coffee beans that are grown in over 70 countries around the world. Unroasted coffee is one of the most traded commodities in the world. Coffee has a stimulating effect on humans due to its caffeine content. There has been some concern of the effect of coffee consumption on people’s health and many people have chosen to make the switch to decaf coffee. Many women also choose to drink decaffeinated coffee whilst pregnant as studies have shown caffeine to have a detrimental effect on developing babies. So how is coffee decaffeinated?
An electric generator is a piece of equipment that is designed to covert mechanical energy into electrical energy. Mechanical energy is the motion or movement of an object or machine. An electric generator does not create the electricity but simply forces the mechanical energy to flow through an external electrical circuit. Power stations use fuels such as gas, coal, oil or water and wind to drive large turbines to create mechanical energy. The steam created by burning fossil fuels is channeled to turn the turbines. Both water and wind are used directly to spin the turbines. These turbines are connected to electric generators which convert the mechanical energy into electrical energy by forcing it into a power grid. How do electric generators do this? Read on to find out.
Golf is a complex sport that requires many different skills to be successful. A top golfer needs to be able to hit the ball a long way without compromising accuracy. They must also be able to play finesse and recovery shots, and be able to putt accurately when they reach the green. For most amateur golfers, and some professionals for that matter, this is a lifelong battle. Even if you are a relatively good golfer a bad shot that flies in the wrong direction is still a real possibility. When this happens a golfer yells “fore.” Let’s take a look at why golfers do this.
Polar bears are found in some of the coldest regions on the planet. Their distribution extends throughout the Arctic Circle where they commonly encounter temperatures below -30 °C (-22 °F) during the winter months. Fortunately, polar bears are able to survive in this environment thanks to some unique characteristics. Let’s take a look at how a polar bear stays warm when the temperature drops below freezing.
Lyme disease is an infectious disease caused by 3 separate bacteria from the Borrelia family. The name of the disease come from the town of Lyme, Connecticut, where many cases broke out in 1975. In 1978 Harvard professor Allen Steere discovered that the disease was transferred to humans from ticks, but it wasn’t until 1981 when Willy Burgdorfer identified the bacteria involved. Symptoms of the disease are reported to be fever, fatigue, headache, circular skin rash and depression. If it isn’t treated promptly it can cause problems with the joints, nervous system and heart. In very rare cases the disease can cause death. The disease can also cause long term effects, known as chronic Lyme disease, even in people who are treated. Let’s take a look at the treatment for this disease.