Humans (particularly men) have a bit of a tendency to believe they are tougher than they actually are, at least if quick glances at any YouGov poll are to be believed.Take for example the 12 percent of men who think they could win a point in a match against Serena Williams, as if when a ball is being hit towards them at over 100 mph they could hope to achieve anything other than shielding their crotchA new poll has looked at what animals humans think that they could beat in a fight while unarmed, with much the same overconfidence shining...