Matthew Jackson

In a disconnected world, some crafty Bay Area residents want to change the way we find and maintain friendships.

Experts hope research can create greener methods of extracting the metal vital for renewable energy revolution and boom in electrical devices

Controlling the spread of misinformation on social media platforms has spurred important conversations about censorship and freedom of speech. "A tacit assumption has been that censorship, fact-checking and education are the only tools to fight misinformation," says Duke University economist David McAdams.

An analysis of 21 billion Facebook friendships, covering 84 percent of U.S. adults aged 25 to 44, puts cross-class relationships at the heart of income mobility.