The string test, which is also called the Entero-test, is a test used to find parasites in the upper part of your gastrointestinal tract. To perform the test, you swallow a string. When the string is ...

String theory began over 50 years ago as a way to understand the strong nuclear force. Since then, it’s grown to become a theory of everything, capable of explaining the nature of every particle, ...

String theory has long been presented as physicists' best candidate for describing the fundamental nature of the Universe. Yet, at the beginning of the 21st century, it became apparent that most ...