Digital tools allow archaeologists to identify similarities between fragments and artifacts and potentially recover previously unknown parts of their stories.
OpenAI's restructuring may serve as a test case for how society oversees the work of organizations with the potential to both provide benefits and harm humanity.
Companies are selling a range of anti-drone devices, from guns that fire nets to powerful laser weapons, but no one system is sufficient for defending airports, power plants and other critical sites.
Climate change is making people sicker and more vulnerable to disease, doctors and scientists explain. Erasing the federal endangerment finding increases the risk.