A beverage can end (10,110) comprising: a peripheral curl capable of being joined to a can body by seaming; a wall structure radially inward from the curl; a center panel; a main score defining a main hinge and a main tear panel that is capable of opening upon rupture of the main score to form a pour opening; a tab coupled to the center panel by a rivet, the tab having a nose capable of contacting a portion of the main tear panel for rupturing the main score, a body, and a heel formed opposite the nose, the heel being configured for grasping by a user; and a vent (40,140), a vent score (42,142) that defines a vent tear panel (44,144), and a vent hinge (46,146) located approximately between opposing ends of the vent score; and an upwardly protruding button (50,150) located on the vent tear panel, the button including a button sidewall and a curved transition that merges the button sidewall with the vent tear panel; and characterised in that, the vent score being located on the button or having a distance D3 or D13 from the button sidewall, measured at a point at which the vent score is closest to the button sidewall, of no more than 0.020 inches (0.508 mm) such that downward force transmitted from the tab heel to the button ruptures the vent score, wherein the can end further comprises a vent recess formed in the center panel, the vent tear panel being located in the vent recess, and whereby actuation of the tab by lifting the heel is capable of rupturing the main score and actuation of the tab by pressing down on the tab is capable of rupturing the vent score. a peripheral curl capable of being joined to a can body by seaming; a wall structure radially inward from the curl; a center panel; a main score defining a main hinge and a main tear panel that is capable of opening upon rupture of the main score to form a pour opening; a tab coupled to the center panel by a rivet, the tab having a nose capable of contacting a portion of the main tear panel for rupturing the main score, a body, and a heel formed opposite the nose, the heel being configured for grasping by a user; and a vent (40,140), a vent score (42,142) that defines a vent tear panel (44,144), and a vent hinge (46,146) located approximately between opposing ends of the vent score; and an upwardly protruding button (50,150) located on the vent tear panel, the button including a button sidewall and a curved transition that merges the button sidewall with the vent tear panel; and characterised in that, the vent score being located on the button or having a distance D3 or D13 from the button sidewall, measured at a point at which the vent score is closest to the button sidewall, of no more than 0.020 inches (0.508 mm) such that downward force transmitted from the tab heel to the button ruptures the vent score, a vent score (42,142) that defines a vent tear panel (44,144), and a vent hinge (46,146) located approximately between opposing ends of the vent score; and an upwardly protruding button (50,150) located on the vent tear panel, the button including a button sidewall and a curved transition that merges the button sidewall with the vent tear panel; and characterised in that, the vent score being located on the button or having a distance D3 or D13 from the button sidewall, measured at a point at which the vent score is closest to the button sidewall, of no more than 0.020 inches (0.508 mm) such that downward force transmitted from the tab heel to the button ruptures the vent score,