Although genetically modified mice have huge potential for the analysis of gene function, the creation of such mice via homologous recombination in embryonic stem cells (ESCs) is a tedious process. A ...

Maduro’s ouster seemed to signal the imminent end of a regime that had for years oppressed and immiserated its people. Thanks to bold U.S. action, a government that had rankled its neighbors and sowed ...

At a February 2026 gathering to commemorate the revolution that ushered in Iran’s Islamic Republic, the country’s supreme leader, Ayatollah Ali Khamenei, struck a reflective note. He remarked that it ...