Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Michael Boyle is an experienced financial ...

During World War II, the governments of the United States and the United Kingdom approached the largest U.S. chemical and pharmaceutical companies to enlist them in the race to mass produce penicillin ...

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Interlocked molecules are molecular architectures formed from two or more components that are linked together mechanically; the entangled components are not connected through covalent bonds but cannot ...