Hello and welcome to No Such Thing as a Fish, a weekly podcast coming to you from the

QI offices in Covert Garden. My name is Anadjanski, not Dan Shriver, and I am sitting here with

James Harkin, Andrew Hunter Murray and Anne Miller. Once again we've gathered around the microphones

with our four favourite facts from the last seven days and in no particular order here we go

starting with MyFacts which is Cockroaches can carry 900 times their own body weight on their backs.

Amazing. It's impressive isn't it? So what is 900 times bigger than a cockroach? 900 cockroaches.

Oh that's how it's called. Cockroach fire fighters must be very good indeed. I'll take everyone.

I've just got everything from your house don't worry about it. Well what the whole house?

Oh no it's still up fire. I worked out that that would mean that I would be able to carry the

biggest dinosaur that ever walked the earth which is Argentinosaurus. So if I was a cockroach.

That would look really impressive. If you were a cockroach as in as a human you would be able to.

If I was a human sized cockroach and the laws of physics didn't really apply to me but just

this one particular fact applied to me then I'd be able to carry that. Oh and if dinosaurs still

existed. There were a lot of bigifs in there but it's still impressive. So yeah this is I read this

in an article which was published by the science the journal science. The article is actually written

by someone called Elizabeth Penisi. This is a report on cockroaches and how they're basically

impossible to squash and it looked into why. So they're extremely flexible and extremely hard and

really good at lifting stuff and so they they work that out obviously by how you'd think they did

by putting heavier and heavier stuff on cockroaches back and seeing at what point they crushed.

But we haven't said there are 4,500 species of cockroach. So is this only one species of cockroach?

Oh it's a strong one. This was an American cockroach. Famously strong.

The gym yeah. Yeah exactly. Jock. Jockroach. I already think about how we had this image of

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