Bank like there’s no one watching

Martha Gill's Irrational Animals Column.

As Barclays prepares for an inquiry into its practices, 15 banks lined up behind it, Bob Diamond must be haunted by what he said at last year’s BBC Today business lecture: “Culture is difficult to define, I think it’s even more difficult to mandate – but for me the evidence of culture is how people behave when no one is watching.”

Well, we’re all watching now. Most of us are viewing with cynicism - with thoughts that sharp practice is fairly inevitable and that we’ll probably find more as the investigation unfolds. But perhaps we should all be more shocked. After all, we naturally treat others surprisingly fairly, even when given the power not to. What went so wrong here?
 
Here's a classic experiment that might help - it's known as the ultimatum game. In this game, you are given some money and one condition: you must share the money with another. If the other turns the money down, though, both of you lose it.
 
Now, the logical response to the condition is to offer your partner the smallest amount possible. They might be slightly annoyed, but at least they got something out of it. To the surprise of the economists who thought up the test, though, this is not what happened. Instead, subjects gave out far more money than they needed to.
 
What made them so generous? The researchers speculated that it was fear of rejection: they didn't want to make the other person angry enough to walk away from the deal. 
 
But what happens when the respondent’s power of rejection is taken away? A slight change to the ultimatum game turns it into the dictator game. In this version partner can simply dictate how much the other receives. No fear of rejection here - the second partner must just take what they are offered. But here again, the experimenters were surprised - dictators turned out to be unnecessarily generous. 
 
What's going on? It can't just be the fear of being turned down. One explanation that fits is that people have a sense of fairness. We simply don't want to act too selfishly. 
 

See no evil

 

But there was a way to change players’ commitment to fairness: isolation. When put in a separate room from their partners, with no access to their reaction, the dictators started handing out tiny amounts – the smallest they could get away with. The lethal combination of power and isolation seemed finally to put paid to their empathetic instincts. When no one was watching, they just didn’t care. 

Back to the bankers, then: we can’t expect people to act fairly or even legally if they are given a large amount of power in isolation from those affected by their decisions. We like to seem fair, but this only works with an audience. A culture where no one is watching is a culture doomed to corruption.
Shadowy figures. Photograph: Getty Images

Martha Gill writes the weekly Irrational Animals column. You can follow her on Twitter here: @Martha_Gill.

This article first appeared in the 09 July 2012 issue of the New Statesman, Honey, I shrunk the Tories

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Apple-cervix ears and spinach-vein hearts: Will humans soon be “biohacked”?

Leafy greens could save your life – and not just if you eat them.

You are what you eat, and now bioengineers are repurposing culinary staples as “ghost bodies” – scaffolding on which human tissues can be grown. Nicknamed “biohacking”, this manipulation of vegetation has potentially meaty consequences for both regenerative medicine and cosmetic body modification.

A recent study, published in Biomaterials journal, details the innovative use of spinach leaves as vascular scaffolds. The branching network of plant vasculature is similar to our human system for transporting blood, and now this resemblance has been put to likely life-saving use. Prior to this, there have been no ways of reproducing the smallest veins in the human body, which are less than 10 micrometres in diameter.

The team of researchers responsible for desecrating Popeye’s favourite food is led by bioengineering professor Glenn Gaudette and PhD student Joshua Gershlak at the Worcester Polytechnic Institute (WPI). They were discussing the dearth of organ donors over lunch when they were inspired to use their lunch to help solve the problem.

In 2015 the NHS released figures showing that in the last decade over 6000 people, including 270 children, had died while waiting for an organ transplant. Hearts, in particular, are in short supply as it is so far impossible to perfectly recreate a human heart. After a heart attack, often there is a portion of tissue that no longer beats, and so cannot push blood around the body. A major obstacle to resolving this is the inability to engineer dense heart muscle, peppered with enough capillaries. There must be adequate flow of oxygenated blood to every cell in order to avoid tissue death.

However, the scientists had an ingenious thought – each thin, flat spinach leaf already came equipped with its own microscopic system of channels. If these leaves were stacked together, the resulting hunk of human muscle would be dense and veiny. Cautiously, the team lined the cellulose matrix with cardiac muscle cells and monitored their progress. After five days they were amazed to note that the cells had begun to contract – like a beating heart. Microbeads, roughly the same size as blood cells, were pumped through the veins successfully.

Although the leafy engineering was a success, scientists are currently unaware of how to proceed with grafting their artificial channels into a real vasculatory system, not least because of the potential for rejection. Additionally, there is the worry that the detergents used to strip the rigid protein matrix from the rest of the leaf (in order for human endothelial cells to be seeded onto this “cellulose scaffolding”) may ruin the viability of the cells. Luckily, cellulose is known to be “biocompatible”, meaning your body is unlikely to reject it if it is properly buried under your skin.

Elsa Sotiriadis, Programme Director at RebelBio & SOSventures, told me: “cellulose is a promising, widely abundant scaffolding material, as it is renewable, inexpensive and biodegradable”, adding that “once major hurdles - like heat-induced decomposition and undesirable consistency at high concentrations - are overcome, it could rapidly transform 3D-bioprinting”. 

This is only the most recent instance of “bio-hacking”, the attempt to fuse plant and human biology. Last year scientists at the Pelling Laboratory for Biophysical Manipulation at the University of Ottawa used the same “scrubbing” process to separate the cellulose from a slice of Macintosh red apple and repopulate it with “HeLa” cervix cells. The human ear made from a garden variety piece of fruit and some cervix was intended as a powerful artistic statement, playing on the 1997 story of the human ear successfully grafted onto the back of a live mouse. In contrast to the WPI researchers, whose focus is on advancing regenerative medicine – the idea that artificial body parts may replace malfunctioning organic ones – Andrew Pelling, head of the Pelling Laboratory, is more interested in possible cosmetic applications and the idea of biohacking as simply an extension of existing methods of modification such as tattooing.

Speaking to WIRED, Pelling said: “If you need an implant - an ear, a nose - why should that aesthetic be dictated by the company that's created it? Why shouldn't you control the appearance, by doing it yourself or commissioning someone to make an organ?

The public health agency in Canada, which is unusually open to Pelling’s “augmented biology”, has supported his company selling modified body parts. Most significantly, the resources needed for this kind of biohacking – primarily physical, rather than pharmacological or genetic – are abundant and cheap. There are countless different forms of plant life to bend to our body ideals – parsley, wormwood, and peanut hairy roots have already been trialled, and the WPI team are already considering the similarities between broccoli and human lungs. As Pelling demonstrated by obtaining his equipment via dumpster-diving and then open-sourcing the instructions on how to assemble everything correctly, the hardware and recipes are also freely available.

Biohacking is gaining popularity among bioengineers, especially because of the possibility for even wackier uses. In his interview with WIRED, Pelling was excited about the possibility of using plants to make us sexier, wondering whether we could “build an erogenous interaction using materials that have textures you find pleasing [to change how our skin feels]? We're looking at asparagus, fennel, mushroom...” If he has his way, one day soon the saying “you are what you eat” could have an entirely different meaning.

Anjuli R. K. Shere is a 2016/17 Wellcome Scholar and science intern at the New Statesman

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