Check out this terrifying robo-rat: created to make other rats depressed

The rising armies are at our door.

The life of a lab rat seemed bleak enough, but it's only set to get tougher with the invention of a robotic rodent whose sole purpose is to harass its living counterpart.

Rats are regularly used to test drugs that tackle mental conditions, including depression. This means that scientists need a ready supply of depressed rats at their disposal in order to test drugs and see how well medication can alleviate their symptoms. The robo rat, or WR-3, is seemingly more than up to the task with its various creepy abilities, which include stalking, constant physical attacks on its victim, and attacks that are triggered whenever the live rat moves.

Bred and kept alive simply to serve as walking experiments for medical research - great for us, not so great for them - you might think a lab rat's existence is drab enough without the introduction of a mechanical bully, but scientists are hoping that the robo rat will shed some light on what triggers mental disorders.

Unsurprisingly, the researchers found that if a rat is constantly harassed by a robot when it is young and vulnerable, and then intermittently terrorised in adulthood then this is likely to make it very depressed.

It's possible to make a rat depressed by other means - forced swimming for long periods, constant running - but these methods aren't usually what induce depression in humans so the researchers wanted the rats to be gloomy based on the response to certain behaviours.

Quite what this means for medical research is hard to gauge - the researchers claim that the less a rat moves the more depressed it is. Of course, it could just be terrified of the strange metal thing that keeps bashing into it. But here's hoping some significant findings come out of all of this, otherwise we're left with a horde of traumatised rats and an army of violent robotic rodents, and little to show for it.

Demon-robo-rat
Qusai Al Shidi/Flickr
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I can’t follow Marie Kondo's advice – even an empty Wotsits packet “sparks joy” in me

I thought I’d give her loopy, OCD theories a go, but when I held up an empty Wotsits bag I was suffused with so many happy memories of the time we’d spent together that I couldn’t bear to throw it away.

I have been brooding lately on the Japanese tidying freak Marie Kondo. (I forgot her name so I typed “Japanese tidying freak” into Google, and it was a great help.) The “Japanese” bit is excusable in this context, and explains a bit, as I gather Japan is more on the case with the whole “being tidy” thing than Britain, but still.

Apart from telling us that we need to take an enormous amount of care, to the point where we perform origami when we fold our underpants, which is pretty much where she lost me, she advises us to throw away anything that does not, when you hold it, “spark joy”. Perhaps I have too much joy in my life. I thought I’d give her loopy, OCD theories a go, but when I held up an empty Wotsits bag I was suffused with so many happy memories of the time we’d spent together that I couldn’t bear to throw it away.

After a while I gave up on this because I was getting a bit too happy with all the memories, so then I thought to myself, about her: “This is someone who isn’t getting laid enough,” and then I decided that was a crude and ungallant thought, and besides, who am I to wag the finger? At least if she invites someone to her bedroom no one is going to run screaming from it, as they would if I invited anyone to my boudoir. (Etym: from the French “bouder”, to sulk. How very apt in my case.) Marie Kondo – should bizarre circumstance ever conspire to bring her to the threshold – would run screaming from the Hovel before she’d even alighted the stairs from the front door.

I contemplate my bedroom. As I write, the cleaning lady is in it. To say that I have to spend half an hour cleaning out empty Wotsits packets, and indeed wotnot, before I let her in there should give you some idea of how shameful it has got. And even then I have to pay her to do so.

A girlfriend who used to be referred to often in these pages, though I think the term should be a rather less flippant one than “girlfriend”, managed to get round my natural messiness problem by inventing a game called “keep or chuck”.

She even made up a theme song for it, to the tune from the old Spiderman TV show. She would show me some object, which was not really rubbish, but usually a book (it may not surprise you to learn that it is the piles of books that cause most of the clutter here), and say, “Keep or chuck?” in the manner of a high-speed game show host. At one point I vacillated and so she then pointed at herself and said, “Keep or chuck?” I got the message.

These days the chances of a woman getting into the bedroom are remote. For one thing, you can’t just walk down the street and whistle for one much as one would hail a cab, although my daughter is often baffled by my ability to attract females, and suspects I have some kind of “mind ray”. Well, if I ever did it’s on the blink now, and not only that – right now, I’m not even particularly bothered that it’s on the blink. Because, for another thing, I would frankly not care to inflict myself upon anyone else at the moment.

It was all a bit of a giggle eight years ago, when I was wheeled out of the family home and left to my own devices. Of course, when I say “a bit of a giggle”, I mean “terrifying and miserable”, but I had rather fewer miles on the clock than I do now, and a man can, I think, get away with a little bit more scampish behaviour, and entertain a few more illusions about the future and his own plausibility as a character, when he is squarely in his mid-forties than when he is approaching, at speed, his middle fifties.

Death has rather a lot to do with it, I suppose. I had not actually seen, or touched, a dead body until I saw, and touched, my own father’s a few weeks ago. That’s what turns an abstract into a concrete reality. You finally put that to one side and gird up your loins – and then bloody David Bowie snuffs it, and you find yourself watching the videos for “Blackstar” and “Lazarus” over and over again, and reach the inescapable conclusion that death is not only incredibly unpleasant, it is also remorseless and very much nearer than you think.

And would you, dear reader, want to be involved with anyone who kept thinking along those lines? I mean, even if he learned how to fold his undercrackers into an upright cylinder, like a napkin at a fancy restaurant, before putting them in his drawer? When he doesn’t even have a drawer?

Nicholas Lezard is a literary critic for the Guardian and also writes for the Independent. He writes the Down and Out in London column for the New Statesman.

This article first appeared in the 05 February 2015 issue of the New Statesman, Putin's war