Sports medicine & Kinesiology

At what age do Olympic athletes peak?

There's a lot that goes into an Olympic athlete's quest for gold—years of training and rigor—but also, an athlete's age. A team of University of Waterloo students used statistics to figure out when an Olympic track-and-field ...

Sports medicine & Kinesiology

Gymnastics is hard on the body—physical therapy can help

Watching Simone Biles, Frederick Richard, and other Olympic-level gymnasts compete with gravity-defying flips, twists, and spins across a variety of apparatuses, it's evident how much flexibility and strength the sport of ...

Obstetrics & gynaecology

Researchers develop hydrogel implant to treat endometriosis

Hydrogels have a variety of use cases, including contact lenses, delivering doses of medication within the body, moisturizers, water storage in soil, cleaning polluted water and as gelling and thickening agents. A hydrogel ...

Health

Heavier people are not getting enough vitamin C, says study

An international study involving the University of Otago, Christchurch, has found that inadequate vitamin C status is significantly linked to increased body weight—raising public health concerns due to the rising prevalence ...

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Science

Science (from the Latin scientia, meaning "knowledge") refers to any systematic knowledge-base or prescriptive practice that is capable of resulting in a prediction or predictable type of outcome. In this sense, science may refer to a highly skilled technique or practice.

In its more restricted contemporary sense, science refers to a system of acquiring knowledge based on scientific method, and to the organized body of knowledge gained through such research. This article focuses on the more restricted use of the word. Science as discussed in this article is sometimes called experimental science to differentiate it from applied science—the application of scientific research to specific human needs—although the two are often interconnected.

Science is a continuing effort to discover and increase human knowledge and understanding through disciplined research. Using controlled methods, scientists collect observable evidence of natural or social phenomena, record measurable data relating to the observations, and analyze this information to construct theoretical explanations of how things work. The methods of scientific research include the generation of hypotheses about how phenomena work, and experimentation that tests these hypotheses under controlled conditions. Scientists are also expected to publish their information so other scientists can do similar experiments to double-check their conclusions. The results of this process enable better understanding of past events, and better ability to predict future events of the same kind as those that have been tested.

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