Abstract: This paper addresses an agent confrontation problem in a four versus four scenario, where each side comprises three unmanned aerial vehicles and one base. Different from existing approaches ...

Visitors check out coffee and local specialties during the Zheli Fuka Tanzhesi Town Coffee Culture Festival in Mentougou district, Beijing. CHINA DAILY For centuries, coffee has powered conversations, ...

PITTSBURGH — There was a large police presence in a Pittsburgh neighborhood on Wednesday after a physical confrontation escalated between federal agents and a man they were taking into custody.

Deep in the Constitution’s Sixth Amendment is an important but perplexing guarantee: that “In all criminal prosecutions, the accused shall enjoy the right … to be confronted with the witnesses against ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...