Second of two explosions at Boston marathon, April 15, 2013. The explosions took place about three hours after the winners crossed the finish line. The second one could be heard a few seconds after the first one. (Boston_to_a_T via Twitter) The Boston Marathon explosions have some rethinking their safety at large public events. The people Read more

The Supreme Court is hearing arguments in a case that could stop the patenting of human genes. Advocates for the biomedical industry assert that patents drive medical discoveries. The multibillion-dollar industry performs critical research in the fight against cancer and other diseases. Opponents of gene patents, including Nobel Prize-winning scientists and medical groups say the Read more