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Simplifying a complex expression and putting it in standard form

In this math tutorial I will show you how write a complex number in standard form after simple operations have been performed. You will learn how to find the value of real and imaginary numbers in a ...
Nature

The 2.0 Å structure of human hypoxanthine-guanine phosphoribosyltransferase in complex with a transition-state analog inhibitor

The alternative text for this image may have been generated using AI. We describe here the crystal structure to 2.0 Å resolution of human HGPRT complexed with the transition-state inhibitor ImmGP and ...
NPR

Code Switch

May 9, 2026 • The passage of the 1965 Voting Rights Act marked what many historians mark as the actual beginning of democracy in the US. But last week the Supreme Court gutted what was left of the ...