The dorsal raphe nucleus (DRN) serotonergic (5-HT) system has been implicated in regulating sleep and motor control; however, its specific role remains controversial. In this study, we found that ...

HIV-1 envelope glycoprotein (Env), a gp120–gp41 trimer, undergoes coordinated conformational changes that drive membrane fusion and allow immune evasion by transiently concealing ...

Two Ships Are Fired On as Iran Says the Strait of Hormuz Is Closed Iran’s Revolutionary Guards said they were closing the strait until the U.S. lifted its blockade. For Iran, Flexing Control Over ...

Since the first artificial kidney was developed in the 1940s, scientists have continued to engineer life-saving and research field-transforming artificial organs, devices, and tissues. In this article ...