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Hi, I'm Selenna. I enjoy reading, learning and fixing things. Helium gives me a chance to learn new things through research and share what I learn or already know. There are a great many interesting articles and titles written by people

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Sciences > Atmosphere & Weather Which are deadlier: Hurricanes or tornadoes?: 2 of 15

A tornadoes energy per unit of volume is 6 times greater than that of a hurricane. These violent rotating columns of air which develop from thunderstorms are the most violent and deadly storms on earth occurring more often in the United States than anywhere else in the world. The winds of an F4 or F5 tornado are signif...
Sciences > Geology & Geophysics Yellowstone: A silent threat?: 1 of 6

Beautiful Yellowstone's active geo-thermal features make it like no other place on earth. On March 1, 1872, President Ulysses S. Grant signed into law a bill which made the area of Yellowstone the nations first national park. Scientists believed that the natural wonders of the park, such as its many geysers and h...
Health & Fitness > Disease (Other) Symptoms and treatment of shingles: 3 of 17

Shingles Shingles, or Herpes Zoster, is a viral infection of the nerve roots that causes an outbreak of painful blisters on the skin. The Varicella Zoster Virus, the same virus that causes the chicken pox, causes a Shingles virus outbreak. Individuals that have had chicken pox retain the virus, which lies dormant in the spin...
Politics, News & Issues > Pulitzer Center What are the key obstacles to obtaining sustainable peace in the Democratic Republic of Congo, and what steps are necessary to overcome them?: 4 of 21

The Democratic Republic of Congo has long been an epicenter of conflict and corruption in the Kivu region. The conflict is fuelled by the fact that the country is the richest in the world in terms of natural resources, and all sides have taken full advantage to plunder these resources through illegal trade and use of the wea...
Health & Fitness > Exercise & Weight Loss What you need to know when shopping for a stationary bike: 2 of 7

A stationary bike is an exercise bike specifically designed for exercising in a stationary position, providing a low impact workout. The stationary bike is essentially the same as a normal bicycle except for the obvious fact that it is stationary. Advantages: Stationary bikes are a safe and effective way to exercise. They en...
Home & Garden > Home & Garden (Other) Home improvement: Adding a solar power system to your home: 3 of 10

Solar power can greatly reduce dependence on foreign oil and aid in correcting green house emissions while securing the basic needs of families such as heat, water, and refrigeration and also ensure necessary utilities during power outages. Although solar power is fast becoming a popular alternative there are a few thi...
Sciences > Astronomy What is dark energy?: 3 of 9

The concept of Dark Energy goes back to Issac Newton, although he did not use the term "Dark Energy", he stated that energy has to exist to provide the gravitational force that keeps the fastest stars and galaxies confined within their orbits. Dark Energy is a hypothetical form of energy and describes the energy that m...
Sciences > Atmosphere & Weather Worst hurricanes in history: 2 of 6

Hurricanes are the most severe category of tropical cyclone. A typical hurricane grows to a massive 300 miles wide causing destructive winds, heavy rains, storm surges, and tornadoes that cover a large area. The worst hurricanes in history have taken many lives and caused billions of dollars in property damage. H...
Politics, News & Issues > Food & Agriculture What is genetically modified salmon?: 2 of 6

The Massachusetts based company, AquaBounty, has been developing a genetically modified version of the Atlantic Salmon on Prince Edward Island in Canada. The company first applied to the FDA for permission to sell its salmon, called AquAdvantage, in 1995 but the FDA is only now considering approval. If approved t...
Personal Finance > Credit Cards Student credit cards: Taking the plunge: 11 of 27

Credit cards can be life savers in emergencies, especially for college students who are living out on their own for the first time. But for those students credit cards can cause serious debt problems before they realize it. Having credit can lead to the illusion of having money you actually do not have and it is far too easy...