In the video, a man is seen standing in front of a blackboard. He is wearing a blue shirt and glasses, and is holding a marker in his hand. The blackboard behind him has a diagram of a molecule drawn on it. The man appears to be explaining the diagram, as he points to different parts of the molecule and writes on the board. The molecule diagram consists of circles connected by lines, with letters indicating the different elements. The man seems to be knowledgeable about the subject matter, as he speaks confidently and uses the marker to emphasize certain points. The video appears to be an educational or instructional video, possibly for a science class or lecture.