Dark matter and energy Blog Are 'sterile neutrinos' dark-matter particles after all? Unexpected X-ray signal from galaxy survey brings up new questions
Ethics Blog A question of responsibility A talk on weapons proliferation at the 2014 AAAS meeting takes an unexpected turn
Everyday science Blog Bad weather? Blame Santa Atmospheric scientist Jennifer Francis explains her "Santa's revenge" theory to a receptive AAAS audience
Everyday science Blog Burning the midnight gas This morning's AAAS sessions included a fascinating overview of the risks and challenges associated with hydraulic fracturing, or "fracking"
Everyday science Blog Cruise-ship physics, the many ways to tie a tie, shaken-up carbon dating and more Excerpts from the Red Folder
Mathematical physics Blog Beauty is in the eye of the mathematician Equations trigger the same part of the brain as great works of art
Materials Blog Embracing the materials world Meet the editors behind a trio of new materials-science journals
Everyday science Blog Intelligent life on a doughnut, how cats and skiers spin, a marriage made at CERN and more Excerpts from the Red Folder
Education and outreach Blog Giving the public access to research Library users in the UK now have access to 8000 academic journals