Three-quarters of whites have entirely white social networks without any minority presence.

Modern computer science is dominated by men. But it hasn't always been this way. A lot of computing pioneers - the people who programmed the first digital computers - were women. And for decades, the number of women studying computer science was growing faster than the number of men.

OKCupid is one of the largest dating sites in the world with over 4 million monthly active users. While the explicit purpose of OKCupid is to help users find romance, the site's co-founder Christian Rudder has discovered a dual purpose for the information produced through the dating site.

The news: This week, PBS and documentary filmmaker Whitney Dow launched the first installment of the "Whiteness Project," a thorough and well-intentioned interview series that aims to make white Americans open up about their racial identities. Dow has started his goal to interview 1,000 white Americans across the country to obtain their unfiltered views on race.

Harvard University police are investigating a death threat that was apparently emailed to several hundred Harvard affiliates, among others, on Friday afternoon, according to Harvard University Police Department spokesperson Steven G. Catalano.Addressed to "All students at Harvard," the text of the email included what appeared to be racist language. The email referred to its intended recipients as "slit-eyes." Many, but not all, of the email's intended recipients appear to have Asian surnames.