This is a death's head cockroach. This is an American cockroach you think you don't have in your kitchen.

Words like cockroach, delusional, derp, dope, fool, knave, mendacious idiot, and zombie have no place in civilized debate.

However, none that we know of reached near the size of today's largest tropical species, the modern 'giant cockroaches', such as the famous Hissing Cockroach.

The origin of these groups from a blattopteran stock are now generally thought to be in the early Jurassic the earliest modern cockroach found is from the Cretaceous.

Last story here I've got a friend in India who told me that you haven't really tested a piece of electronic technology for distribution in Asia until you've trained a cockroach to climb in and pee on every single little component on the inside.

However, since the middle of the 20th century it has been known that the primitive cockroach insects found fossilized in Palaeozoic strata are the forerunners not only of modern cockroaches but also of mantises and termites.

What we discovered is whether you look at the leg of a human like Richard, or a cockroach, or a crab, or a kangaroo, the relative leg stiffness of that spring is the same for everything we've seen so far.