Archive for the ‘Biology’ Category

How To Write Biology Lab Report

How To Write Biology Lab Report

Very often laboratory reports are boring and exhausting. It seems so useless to spend much time writing what has been done in the lab experiment. But this is a good chance for practicing your spelling and analytical skills. It can be really simple if you follow general steps and logic. Read the article and learn how to write report quickly and easy. It will show you the main rules of writing good biology lab report: parts and steps, some common mistakes, and easy techniques. (more…)

Why Bacteria Are Resistant To Penicillin


Antibiotics are complex chemical compounds that destroy pathogenic microbes causing dangerous diseases. Penicillin was first discovered antibacterial drug widely used in medicine. Scientists have discovered hundreds of different antibiotics after penicillin, but evolution is an active process: microbes have developed a possibility to destroy antibiotics causing serious problems in treatment. How did penicillin save millions of people? Did it really become a trigger for the evolution of microbes? (more…)

Pros and Cons of Sun Tanning

Pros and Cons of Sun Tanning

We spend a lot of time on fresh air under the sun in summer: beaches, rivers, parks, etc. It is a great opportunity to get a free sun tan, become more attractive and… healthier. It is well known that moderate amounts of sunlight stimulate vitamin D production that regulates calcium metabolism. But, at the same time scientific researches have shown that sun rays have a great negative effect. What is beneficial and what is dangerous about the sun tanning? How can we minimize negative effects of it? (more…)

What Are the Benefits of Chocolate?

What Are the Benefits of Chocolate?

Chocolate  is the most tasty and popular dessert in the world. The history of its use as food product harks back to the times of Maya and Aztec ancient cultures. Unlike us, they used cocoa drinks for treatment and prevention of diseases. Today, scientist have discovered a lot of interesting compounds in chocolate that really have benefits for health. Several pieces of research have proved that cocoa has a positive effect on cardiovascular and nervous systems. A lot of other influences of chocolate have been studied by scholars all over the world in recent years. What are the most probable benefits of chocolate? Is it really the tastiest medical drug with great nutritional value or one more controversial issue? Lets’s see. (more…)

Are There Any Useful Viruses Inside Us?

Viruses in Your Body: Harm or Use?

The whole world has been following the news about the most dangerous diseases caused by such viruses as Ebola, human immunodeficiency virus (HIV) and hepatitis C virus (HCV). Even the word “virus” is associated with something horrible and hazardous, and has nothing in common with lord Varys. Recently scientists have invented a new method for identification of past and current viral disease using only one drop of blood.  But did you know that not all viruses are that bad for us? In fact, scientists have been gathering more evidences about positive effects of some viruses (i.e. herpesviruses) on our health. Recent studies based on new experimental results confirm the importance of retroviruses in the placenta formation and embryonic development. So, let’s talk about what viruses are and what benefits they have. (more…)

How Do Cats See In The Dark?

How Do Cats See in the Dark?

Everyone knows that cats prefer night activities due to their ability to see in the dark. But how can they do this? Are they supernatural animals or do they use special night vision devices? Actually, they have special adaptations for night walk and hunting. that’s OK, but recently, a boy with cat’s night vision abilities was found in China. Does this boy have the same vision adaptations as cats (so, can people have same features?) or is it just a nature trick? Let’s now try to see the world as cats do. (more…)

Is the Whole Genome Sequencing Possible?

Genome sequencingAccording to Gattaca film in future we will be able to do the whole genome sequencing of in vitro (outside the body) conceived baby, in order to easily determine disease risk and give birth to healthy baby. What is the nowadays reality and what is just a science fiction?  (more…)

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