The Chicago Bulls announced today the team has signed guard Yuki Kawamura (Yoo-kee kah-wah-MOO-rah) to a two-way contract. In a related move, Chicago has waived Trentyn Flowers. Kawamura, 5-8, 159, ...

We are entering a new era in science — the fourth paradigm, according to Kristin Persson, a professor in materials science at the University of California in Berkeley, United States. The first ...