The Environmental Protection Agency rejected the bedrock scientific finding that greenhouse gases threaten human life and well being. It means the agency can no longer regulate them. By Lisa Friedman ...

Most people believe Americans have a civic responsibility to be informed when they vote. But far fewer say regularly following news is extremely or very important. Fresh data delivered Saturday ...

Nanoparticles are particles that exist on a nanometre scale (i.e., below 100 nm in at least one dimension). They can possess physical properties such as uniformity, conductance or special optical ...