Post navigation The Pac-12, Big Ten, and Big 12 have agreed to reduce the number of football players allowed in practices and limit the amount of full-contact drills to reduce the risk of injury. This will be beneficial to the health of the players, while allowing them to continue to play and compete. These changes are part of the NCAA’s effort to make the sport safer at the college level. Self-healing metal is a new space-grade material developed by scientists from Sandia National Laboratories and Texas A&M. It has a unique ability to repair itself when damaged, and this new space-grade metal could be a revolutionary technology for missions in space. The material is made up of a unique alloy and has the potential to save costly repairs needed for space vessels damaged by debris or extreme temperatures.