Diseases, Conditions, Syndromes

Start-up launches India's first COVID home test kit

Indian start-up Mylab Discovery Solutions hopes that its inexpensive COVID-19 home test kit—the country's first—will help the massive South Asian nation better track the pandemic's spread among its 1.3-billion people.

Diseases, Conditions, Syndromes

Financial penalties for dialysis centers do not increase performance

Performance-based financial penalties against outpatient dialysis centers under the End-Stage Renal Disease Quality Incentive Program (ESRD QIP) do not improve performance scores, according to a study published online May ...

Neuroscience

For the brain, timing is everything

For decades the dominant approach to understanding the brain has been to measure how many times individual neurons activate during particular behaviors. In contrast to this "rate code," a more recent hypothesis proposes that ...

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Code

A code is a rule for converting a piece of information (for example, a letter, word, phrase, or gesture) into another form or representation (one sign into another sign), not necessarily of the same type.

In communications and information processing, encoding is the process by which information from a source is converted into symbols to be communicated. Decoding is the reverse process, converting these code symbols back into information understandable by a receiver.

One reason for coding is to enable communication in places where ordinary spoken or written language is difficult or impossible. For example, semaphore, where the configuration of flags held signaller or the arms of a semaphore tower encodes parts of the message, typically individual letters and numbers. Another person standing a great distance away can interpret the flags and reproduce the words sent.

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