Are we alone in the universe? Scientists are training machine-learning models and designing instruments to hunt for life on other worlds. Is it possible to really understand someone else's mind? How we think, feel and experience the world is a mystery to everyone but us. But technology may be starting to help us understand the minds of others.

Playing violent video games regularly makes people less sensitive to disturbing images, warns a new study. Scientists found regular players were better at disregarding graphic content while viewing a rapid series of images. In the experiment, this meant they were better able to remember more of the images than non-players. Experts believe this is because they suffer less from emotion-induced blindness, which occurs when a person's emotions impact their perception of the world. Playing violent video games regularly makes people less sensitive to disturbing images, warns a new study.