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.

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The TV stars MPs would love to be

Labour MPs dream of being Jed Bartlet.

In my latest book, A State of Play, I looked at the changing ways in which Britain’s representative democracy has been fictionalized since the later Victorian period. With the support of the University of Nottingham, we decided to turn the tables and ask MPs about their favourite fictional political characters. The results are intriguing.

All MPs were contacted, but with only 49 responding – that’s a 7.5 per cent return rate – I can’t claim the results are fully representative. At 22 per cent, women figured slightly less than they actually do in the Commons. But the big difference is in party terms: 71 per cent of respondents were Labour MPs – double their share in the Commons – while just 20 per cent were Conservatives, less than half their proportion in the Lower House. Maybe Conservative MPs are busier and have better things to do than answer surveys? Or perhaps they just don’t take political fiction – and possibly culture more generally - as seriously as those on the Opposition benches.

What is not subject to speculation, however, is that Labour MPs have very different tastes to their Conservatives rivals, suggesting they are more optimistic about what politics might achieve. At 22 per cent, the most favourite character chosen by MPs overall was Jed Bartlet, heroic US President in Aaron Sorkin’s romantic TV series The West Wing. Of those MPs who nominated Bartlett, every one was Labour. Of course Barlet is a Democrat and the series - dismissed by critics as The Left Wing – looked favourably on progressive causes. But it seems Labour MPs regard Bartlet as an archetype for more than his politics. As one put it, he is, "the ideal leader: smart, principled and pragmatic" For some, Bartlet stands in stark contrast with their current leader. One respondent wistfully characterised the fictional President as having, "Integrity, learning, wit, electability... If only...".

As MPs mentioned other characters from The West Wing, the series accounted for 29 per cent of all choices. Its nearest rival was the deeply cynical House of Cards, originally a novel written by Conservative peer Michael Dobbs and subsequently adapted for TV in the UK and US. Taken together, Britain’s Francis Urquhart and America’s Frank Underwood account for 18 per cent of choices, and are cross-party favourites. One Labour MP dryly claimed Urquhart – who murders his way to Number 10 due to his obsession with the possession of power - "mirrors most closely my experience of politics".

Unsurprisingly, MPs nominated few women characters - politics remains a largely male world, as does political fiction. Only 14 per cent named a female character, the most popular being Birgitte Nyborg from Denmark’s TV series Borgen. Like The West Wing, the show presents politics as a place of possibility. Not all of those nominating Nyborg were female, although one female MP who did appeared to directly identify with the character, saying: "She rides a bike, has a dysfunctional life and isn't afraid of the bastards."

Perhaps the survey’s greatest surprise was which characters and series turned out to be unpopular. Jim Hacker of Yes Minister only just made it into the Top Five, despite one Conservative MP claiming the series gives a "realistic assessment of how politics really works". Harry Perkins, who led a left-wing Labour government in A Very British Coup received just one nomination – and not from an MP who might be described as a Corbynite. Only two MPs suggested characters from Anthony Trollope’s Palliser novels, which in the past claimed the likes of Harold MacMillan, Douglas Hurd and John Major as fans. And only one character from The Thick of It was nominated - Nicola Murray the struggling minister. 

The results suggest that MPs turn to political fiction for different reasons. Some claimed they liked their characters for – as one said of House of Cards's Frank Underwood – "the entertainment value". But others clearly identified with their favourites. There is clearly a preference for characters in series like The West Wing and Borgen, where politicians are depicted as ordinary people doing a hard job in trying circumstances. This suggests they are largely out of step with the more cynical presentations of politics now served up to the British public.

Top 5 political characters

Jed Bartlett - 22 per cent

Frank Underwood - 12 per cent

Francis Urquhart - 6 per cent

Jim Hacker - 6 per cent

Birgitte Nyborg - 6 per cent

Steven Fielding is Professor of Political History at the University of Nottingham. Follow him @polprofsteve.