Today Discover is launching a new group blog---congratulations on already finding it---on big ideas in science and how these ideas are playing out in the world. The blog is written by an outstanding group of writer/bloggers and scientist/writers who will bring you the most compelling thoughts throughout the world of science, the stuff most worth knowing. Come read some of the posts the bloggers have already published to see where we're going, and let us know in the comments what you think of the blog so far and what we should be doing in the future. (You can also email me at azeeberg [at] discovermagazine [dot] com---I'm the editor of the blog and the site as a whole.) Thanks for checking out The Crux, and I hope you're as intrigued and amazed by these nuggets of science as we are. Amos Zeeberg Managing Editor, Online Discover