NASA mathematician Katherine Johnson did more than just calculate rocket trajectories for early space missions. Her story, when it was finally told, completely changed people's perceptions about who has been and who can be important in history.
Previously, 14 women and 213 men have carried out spacewalks. The first woman was the Russian cosmonaut Svetlana Savitskaya, who went outside the USSR’s Salyut 7 space station in 1984.
Emma Haruka Iwao, a Google employee from Japan, found the new digits with the help of the company's cloud computing service. The value of the number pi has been calculated to a new world record length of 31 trillion digits.
More than 200 physicists and at least 850 academics from other fields have denounced the sexist talk given last week by Italian physicist Alessandro Strumia at a workshop on women in high energy physics held at CERN.
