"Teachers' Domain is a free digital media service for educational use from public broadcasting and its partners. You'll find thousands of media resources, support materials, and tools for classroom lessons, individualized learning programs, and teacher professional learning communities."
" IBM scientists have been able to differentiate the chemical bonds in individual molecules for the first time using a technique known as noncontact atomic force microscopy (AFM)."
New research from the Massachusetts Institute of Technology reveals that some unlikely subjects -- bacteria -- can have social structures similar to plants and animals.