Science essays

It is making a guess, a assumption about how the world works, you compute the consequences of the guess. Then you check your prediction against nature or a experiment or experience. See if it works. If it disagrees with the experiment then it’s wrong. That is key to how science works. It doesn’t matter how … Read more

The most deadly killers on this earth are too small to see with the naked eye. These tiny animals who hunt and kill others are viruses. In my report, I will 
answer many basic questions concerning one of the fastest killing viruses, the Ebola virus. Questions such as “How does it infect its victims?”, “How … Read more

My research task will comprise of finding out the difference between SPF 30 and SPF 50, and why people prefer one over the other. It has come to my attention that a lot of people think and believe that SPF 50 is quite dangerous, and can make ones skin darker. My intention is to prove … Read more

  Background information: There have been many non-endemic diseases that have spread rapidly and have killed many people. This topic has risen up because many people believe that the way that the United States responds to these diseases is unethical, meaning there can be more harm to doing these studies and vaccinations than there is … Read more

Digestive systems have evolved to cater for the diets of different species, resulting in varied ways of digesting food. The human and the cow, having different dietary needs, thus have different types of mouths, dental structure, stomachs and enzymes secreted to digest their food. The first stage of a cow’s digestive tract starts with the … Read more

Serotonin is a neurotransmitter which is responsible for ultimately determining a person’s mood as well as their social behavior and memory. Depression is caused when there are low levels of serotonin. America is the leading country with the most patients diagnosed with depression. Over “19.7 million people in the United States suffer from depressive disorders” … Read more

Riversleigh is located in North-Western Queensland, the reason as to why it’s such a good fossil site is because there is such a high concentration of calcium carbonate beneath the water table in the ground. What remains at Riversleigh is what’s left of an ancient seabed that once covered the area. It is said that … Read more

There are thousands of photos on NASA’s Astronomy Picture of the Day website, yet one photo seems to stand out among the rest. As I was scanning through the photos, a flash of green light caught my eye and sparked my interest. The picture of this mystical green light shining across the night sky is … Read more

The chemical structure of how the food will pass down the digestive system will vary on the different enzymes that are used within this process. Enzymes such as the amylase, protease and lipase are the main enzymes which are used within the digestive system. These main enzymes will reacted in certain ways which can breakdown … Read more

The overarching goal of this experiment was to isolate and purify lactate dehydrogenase, an enzyme of significant importance in mammalian metabolism, and eventually determine the identity of the particular isozyme, which was either heart or muscle tissue. Essentially, with each subsequent purification step, the corresponding purification intermediate was expected to result in the loss of … Read more

The study of nosocomial infection requires the knowledge of those patient’s characteristics who are at high risk of infection, how often it occurs, the causes of these infections, which allow for more effective prevention and control. It also authorizes the follow of the types of infections that are increasing in incidence, e.g. Bloodstream infections (Banerjee … Read more

Introduction The West Antarctic Ice Sheet (WAIS) is inherently unstable (Thomas and Bentley, 1978) as its ice shelves, which protect the WAIS from being undercut and separated from the bedrock by the ocean (Lenton et al, 2008), are vulnerable to melting from natural and anthropogenic ocean and atmosphere warming. Although its instability is generally accepted, … Read more

Coal: Coal is usually brown or black, carbon-rich material that often occurs in stratified sedimentary deposits. It is one of the most important of the primary fossil fuels. A very notable geologist who goes by the name of James Morton Schopf has defined Coal as a substance which contains 50 % or more by weight … Read more

Have you ever seen commercials of lung cancer or of people smoking? That is lung cancer. Lung cancer starts when there is random growth of abnormal cells. Abnormal cells multiply so much it causes a tumor in your lungs. The tumors can make it breathe and the abnormal cells can get into your bloodstream and … Read more

Bone cancer is a cancer that forms in bone cells. Bone cancer starts in the bone. Cancer starts when cells in the body starts to grow out of control. Cells are in nearly any part of the body can so that it can become cancer, and can spread to other areas of the body. Normal … Read more