Tracey Marks, M.D., is a psychiatrist, mental health educator, and author who helps people strengthen their minds using practical,… In this video from our Bridging Differences for Parents and Teens ...

Popular Science on YouTube is a laboratory of stories from the future, past, and present. It’s like a time travel learning machine—in video form. By Popular Science Team By Popular Science Team By ...

In February 2007 the Supreme Court heard a case that hinged on about 15 minutes of video evidence from two police vehicles' dashboard cameras: footage showed the front end of a police car as it ...