Republican lawmakers are urging President Donald Trump to invoke the Insurrection Act against Minnesota Gov. Tim Walz after the Democrat warned he could deploy the National Guard in response to ...

Cell types in animals evolved by step-wise diversification into sister cell types, which is analogous to the evolution of species or genes. We can identify homologous cell types between species by ...

Why do governments exist? According to 17th-century English philosopher John Locke, the state’s purpose comes down to one thing: protecting your stuff. “The great ...