The U.K.’s competition regulator has taken aim at Google’s search services—and used powers it received earlier this year to designate the search engine with “strategic market status” (SMS), ...

Virus entry is thought to involve binding a unique receptor for cell attachment and cytosolic entry. For SARS-CoV-2 underlying the COVID-19 pandemic, angiotensin- converting enzyme 2 (ACE2) is widely ...