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Preprint

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Scientists often share their new discoveries through papers. Usually, these papers go through a slow check called peer review. Experts read the work to make sure it is correct. This process can take many months or even years.

Preprint postprint published
Preprint postprint published

To move faster, researchers use something called a preprint. A preprint is a version of a paper before it is formally checked. It allows scientists to share their results with the world right away. This helps the whole community learn much sooner.

There are many ways a preprint works for a researcher. First, it lets them send their work out very quickly. This speed is helpful when scientists need to share news fast. For example, during the COVID-19 pandemic, preprints were very important. The usual way to publish was too slow for the disease.

Preprint postprint published
Preprint postprint published

Sharing preprints helped scientists share data during that active time. This led to the largest single-year increase in science papers ever.

Sharing preprints also has a special history. In the 1960s, the National Institutes of Health shared biological papers. Since 1991, most preprints have been shared on the internet. This led to huge databases like arXiv and HAL.

Preprint postprint published
Preprint postprint published

In 2017, many groups began to support preprints more. The Medical Research Council and Wellcome Trust started accepting them. In the same year, SciELO announced plans for a new server. These changes helped make sharing science much easier for everyone.

Preprints can help scientists in several specific ways. They allow authors to get early feedback from their peers. This feedback can help them fix mistakes before final publication. Preprints also show who made a discovery first. This can protect a scientist's intellectual property or ideas.

Preprint postprint published
Preprint postprint published

Sometimes, a preprint is the only place to find big news. In 2002 and 2003, Grigori Perelman shared math work on arXiv. His papers helped solve the famous Poincaré conjecture. He even turned down a $1 million prize for his work.

There are different kinds of places to find these papers. Some servers are for all science, like Authorea. Others are for specific fields, like bioRxiv for biology. Some are for certain parts of the world, like AfricArxiv.

Preprint postprint published
Preprint postprint published

You can think of these like different libraries. Some libraries have books for everyone to read. Other libraries only have books about one special subject. These digital spaces keep science moving forward very quickly.

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