A mixture of DNA and proteins—known as "chromatin"—sits inside every cell nucleus as a jumbled puddle of genetic information. As cells prepare to divide during mitosis, the chromatin is condensed into ...

To divide a round layer cake into perfectly tidy, uniform slices, start at the center and then follow these instructions.

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

As of now the Cleveland Browns are 25th in the league in terms of odds to win the Super Bowl, listed at +25000. In their last game on Sept. 21, the Browns took home a 13-10 win against the Green Bay ...