Explore 10 standout companies Mark Cuban has invested in, from health and tech to eco-friendly startups, and learn how he chooses his next big venture.

We tested the best dog cooling mats and pads to find ones that actually work. Our top picks include ice and gel mats and cooling water and crate beds.

Mark Travers, Ph.D., is an American psychologist who writes about psycho-educational topics such as happiness, relationships, personality, and life meaning.