Astronomers use the term dark energy to refer to energy in the universe that is unaccounted for by ordinary matter but ...

Building things so small that they are smaller than the width of a human hair was previously achieved by using a method ...

Calcium oxalate stones comprise greater than 70% of all kidney stones. In the current conceptual framework, the initial stone ...

Structure-based drug design is the design and optimization of a chemical structure with the goal of identifying a compound suitable for clinical testing — a drug candidate. It is based on knowledge of ...

The Federal Government is composed of three distinct branches: legislative, executive, and judicial, whose powers are vested by the U.S. Constitution in the Congress, the President, and the Federal ...

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