The matrix metalloproteinases (MMPs) comprise a family of zinc-dependent endopeptidases that consist of more than 21 human MMPs and numerous homologues from other species. They can be divided into ...

Of all the characters seen throughout the original Matrix trilogy, few are as intriguing and consequential to the universe of the films than that of the Oracle. Played by Gloria Foster (and then Mary ...

In 1943, the German physicist Werner Heisenberg distracted himself from World War II by pondering a crisis in quantum theory. Predictions about how particles should behave were occasionally giving ...