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Science Questions and Answers (Q&A)

Explore hundreds of interesting Science questions and answers (q & a).... Read More Become a part of the community, collaborate with the like-minded people from across the world, and share answers about Science questions. You can also ask any question in case you do not find answers in our library or help someone by providing your best answer.
The most massive star in the universe is, in fact, not the sun, it is called UY Scuti, which is a hypergiant located in the constellation Scutum. UY Scuti has a radius that is larger than the sun even though the sun is the Earth’s dominant star. The UY Scuti is a variable star, which...Read More

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The correct answer to this question is B, Neptune. There are eight planets, and Neptune is the furthest away. It is a gas giant. Experts believe that before it's current position, Neptune was originally closer to the Sun. 165 Earth years equate to one Earth Year. The name Neptune comes fr...Read More

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There are three correct answers to this question, as bicycles include three types of simple machines. The first is a lever, which consists of a beam that is pivoted at a fixed hinge. The pedals on bikes are levers. The second simple machine included in a motorcycle is a pulley, which supports...Read More

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Stethoscopes are medical devices, used to listen to the sounds of the human body. They are also used to listen to the body of an animal. These sounds include the heart and bowel. Doctors use them in a medical setting. René Laënnec, who was a French doctor, invented the stethoscope...Read More

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One year has approximatly 52 weeks. One calendar common year has 365 days: 1 common year = 365 days = (365 days) / (7 days/week) = 52.143 weeks = 52 weeks + 1 day. One calendar leap year occures every 4 years, except for years that are divisable by 100 and not divisable by 400. One calend...Read More

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B. Wright

Always excited to learn and talk about new topics

MiRNA and SiRNA are both discussed in molecular biology. MiRNA stands for micro ribonucleic acid while SiRNA stands for small interfering ribonucleic acid. MiRNA is a type of natural molecule that comes with a single strand. This comes with 22 nucleotides and the location of this is usually in...Read More

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To understand radioactive tracers it helps to first understand that all substances are made up of atoms and all atoms have a nucleus. The nuclei of some atoms will disintegrate and when they do, they give off energy in the form of particles or waves. This disintegration is called radiation or...Read More

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One of the more unconventional (and still underutilized) ways of generating electricity is by capturing human body heat. Ventilation systems in shopping malls and underground subways have been converted to turn excess body heat into hot water. The hot water is then used as a heating source. Two...Read More

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There's more than one name put forward as The Father of Science. This is because Science has a number of disciplines within its massive area. It is common practice to point to Galileo because he created the approach to scientific study, the scientific method, by which a hypothesis is formed and...Read More

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Pneumonia is one of those words with a silent p you only have to remember when you're spelling. The word is derived from Greek. We pronounce most of our borrowed words in a way that is comfortable or possible for us. The Greeks will have pronounced words differently, taking account of the...Read More

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