David Wagner's team had almost a full match in which to convert numerical supremacy into victory after Jordan Ayew was sent off in the 11th minute but they wound up banging their heads against the brick wall erected by Swansea's 10 remaining players.
Replacement Mako Vunipola was yellow-carded with six minutes left, creating a numerical supremacy that Savea took advantage of for his second try.
Liverpool were taking full advantage of their numerical supremacy and it was no surprise when Suarez ran unhindered into the area to score, having been denied by a magnificent save from De Gea moments earlier.
When they did so, the team concluded that modern humans came to outnumber Neandertals by a factor of nine or 10 ."These data imply that numerical supremacy alone must have been a powerful if not overwhelming factor" that allowed moderns to outcompete Neandertals, the team writes.
Pellew ordered his ships to give chase, as Thévenard fled towards the French coast before the British numerical supremacy.
