Saturday, 24 June 2017

Back to that chasm....

The Nature Editorial that I was reflecting on recently, prompted other responses published in the correspondence section of the journal itself. Firstly, Frank Nicolas' letter simply pointed out that all scientists adopt a "methodological naturalism" when doing science, and basically welcomed the new openness that the Editorial discussed. What was perhaps more interesting were the comments on the letter. In one it was stated:

"Where it is not incomprehensible this is an empty piece of philosophical maundering which should, and doubtless will be, widely ignored". 

A second commented: "Religion is by definition not open towards science, given that it ignores evidence (or actually the absence of it)..."

I didn't find the letter incomprehensible, and the philosophy wasn't empty. It was a fair statement of an approach many of us take in the lab. Even those of us committed to the belief that underpinning each instant in time, and at each point in space, it's the power of God that keeps the universe in existence (Hebrews 1:3), don't invoke this power to explain the processes we study. And the explanations we come up with don't compete with Hebrews 1. I study (among other things) psychological processes reflected in eye movement behaviour. If I invoke a mechanism like "behavioural inhibition" to explain an experimental finding, it doesn't mean that I'm denying that neurons in the brainstem gaze generating network weren't involved. I'm just operating at a different level of explanation. And as I can't measure the "power of His Word" in the lab (and don't seek to), I would never invoke it in the paper I eventually write on what I've been investigating. It forms part of the background that gives rise to my beliefs, thoughts, behaviour and activity. I would claim we all have such background (metaphysical) beliefs. It's just that I'm explicit about it, and know when (and when not to) mention them.

So in the lab, I'm as much a methodological naturalist as the next scientist. The problem comes when folk start hinting, implying or claiming that natural explanations (those couched in terms of what we can see, taste, touch, smell, measure) are the only type of explanations that count. This, I think, lies behind the response to Frank's letter. It's a form of metaphysical naturalism which, to be fair, is the default position of many scientists. However, it, itself, is not science, it's a metaphysical position, and it brings with it a history and set of attitudes. If you claim that only natural explanations apply to everything, that's a statement of the same sort as God upholds everything by His powerful word. This doesn't mean that it's necessarily wrong (although clearly I believe that it is). But it is equally true that it's not necessarily right, even if lots of scientists say it, and even if lot's of them also think that it's the only way to approach science specifically and life more generally.

Those of us with a religious and philosophical turn of mind accept the difference between the methodological naturalism we adopt in the lab and our other beliefs. We're open to thinking about the interaction between the science we do in the lab, and the kind of intellectual procedures it involves, and our other beliefs and attitudes. I think about how science informs me about the world (the world that God made and sustains); I reflect on what it tells me about Him. I think about how Scripture applies to what I do in the lab. These are not contradictory processes, although they do occasionally result in a bit of tension. What's interesting about the second of the two comments above is the claim that "Religion is by definition not open towards science" - not by my definition mate! In fact this statement suggests to me a closed attitude toward insights that both philosophy and religion can offer to the scientist. And it suggests a blind spot about the writer's own philosophical presuppositions and commitments.  

And then there's the implication that somehow the scientist who is a believer can only be a believer by ignoring stuff. I've commented on issues around facts and faith elsewhere on this blog. Religious belief, at least in Christianity, is not irrational, it is the opposite. It's not about ignoring anything. You might not like the conclusions drawn from the evidence, but please don't claim that either evidence was not involved, that it was not weighed or that counter evidence was not considered.

It would appear that in the  minds of some then, there is indeed a chasm between science and religion. I invite the interested observer to investigate further to discover whether this is myth or reality; to be open to the evidence.

Saturday, 17 June 2017

Can I be a Christian and…? The downfall of Tim Farron


We’ve had to cope with yet more tragedy in recent days. After terror attacks in Manchester and London, now the news of massive loss of life in a tower block fire. But another, seeminly more trivial event, caught my attention on Tuesday evening – the resignation of Tim Farron as the leader of the Liberal Democratic Party. At the outset of the general election campaign, he was persistently and specifically questioned about an issue not in his party’s election manifesto, and not likely to feature in upcoming legislation. The issue of whether he thought “gay sex” was a sin, became sport for the media and a distraction to his party’s campaign. It was partly on the media’s radar because he is known to be a Christian (in the confessional as opposed to the ethnic sense), and while his voting record on LGBTIx issues is fairly consistent, he abstained on a final vote on the Same Sex Marriage Bill in 2013 (having voted consistently for the legislation up to that point), a decision he later said he regretted. The reaction to both his resignation and his resignation speech is instructive.

Some have gloated and some have provided a more nuanced commentary. On one hand it’s claimed we have seen prejudice and medievalism driven from the public sphere, on the other that tolerance and liberalism are now proven to be in decline rather than in the ascendancy. Before throwing in my tuppence worth, I’ll make clear my own perspective and commitments.

I too am a Christian - a term that needs further qualification. I am a follower of Jesus Christ, as He is revealed in the Bible, which I take to be the Word of God. I am convinced the Bible is both an ordinary and an extraordinary book. It’s ordinary in that it is composed of words, and has to be read and interpreted like any other book. It’s extraordinary in that these words are the means by which the God who is real communicates to 21st century men and women. As with all words, the ones in my English translation of the Bible have to be interpreted, and that entails a degree of work and commitment on my part. Unlike the words in any other book, behind and within the words in my Bible, is the Living God.  He is not the words, and the words are not Him, but He communicates by means of them. Words can be misinterpreted of course. When I do that with the Bible, it is because I am limited and fallible, and sometimes just plain lazy. That is my failure, not God’s. All of this leaves room for disagreement among followers of Jesus and there are some areas of “twilight” in what Scripture says and what Scripture means. But, to quote Dr Johnston, the fact that there is twilight doesn’t mean I can’t tell night from day.

All of this matters because it is words, and partly Bible words, that contributed to Tim Farron’s downfall. I’m clear that God in His word is clear on matters such as human sexual behaviour and marriage. The views that I hold, based on a rational reading of Scripture, used to be the majority view, and were the consensus view on such matters for centuries. But no longer; I am now in a minority. It’s unclear the extent to which Tim and I agree on what the Bible teaches on these issues. I don’t know him personally, and have no inclination to speculate. But, despite many of his public statements, his voting record in parliament and his work on LGBTI issues in the Liberal Democrat party, the commentariat appear to assume that he thinks certain things, and on the basis of this assumed pattern of thought, he has been stalked, outed, criticised and condemned.

David Laws, not a stranger to controversy and the odd political resignation himself, was revealing in his article on the topic: ..”you cannot be a leader of a liberal party while holding fundamentally illiberal and prejudiced views". Never mind Farron’s voting record and tireless party work. Laws continued that the LD election campaign had been “undermined by the outdated opinions and views which Tim clearly holds”. It appears from this article that Mr Laws thinks that even if I accept that the law should treat he and I equally, I am not entitled to even think (let alone argue) that he or anyone else is immoral on the basis of my “outdated” and “irrational” beliefs. Exactly which methods should be used to expose my beliefs (if I should I keep them to myself) or to what extent I should be penalised for believing stuff he finds offensive, or whether I should be coerced to think differently – all this remains unsaid and unclear. Re-education camps perhaps? Sounds a bit illiberal to me.
The open and tolerant society that allowed campaigners to overturn the consensus view on legislation relating to issues like homosexuality and abortion was rooted in and shaped by a Biblically informed world view. It appears as society moves ever further away from this, I’m not even to be allowed to think differently from the new consensus, never mind to debate or campaign for change in a different direction. Liberalism apparently has its limits.

So much about politics, political leadership and illiberalism. But occasionally, I hear the question asked: is it possible to be a Christian and a scientist? After all, to be a Christian one has to be irrational. You have to believe stuff against reason, or at least not think too carefully about it. There are irrational beliefs (ie beliefs held either without evidence or in the teeth of evidence). But I am a Christian because having weighed the evidence and found it compelling, I have responded to it. Or not so much responded to it, but to Him. Because Christianity is at root a relationship with a person, not an information processing exercise. And having become a Christian, everything (including reason) is involved in being a Christian. And being a Christian, one exciting way of understanding the world around me, is to use the methods of science. In doing that, all I am doing is further exploring what ultimately God has done and is doing. Where others assert conflict, I find that these are more apparent than real. No choice between science and scripture is necessary. In happily being a Christian and a scientist, I’m doing nothing new, and I'm not alone. I’m following in a long and distinguished line.   

Saturday, 10 June 2017

Hubris and its rewards

The dust is beginning to settle but it's unclear what the outlook is. We had an unexpected outcome to the general election in 2015. Then we had the Brexit result. That was closely followed by the Trump election in the US. Now punditry has taken  another kicking in Thursday's general election. Even at the end of the campaign the received wisdom pointed to a clear Conservative victory. Things hadn't entirely gone their way, but an overall majority, probably increased from what they achieved in 2015, was still expected. Then came the exit poll. We were back in hung parliament territory with no party holding an overall majority. And that's how it panned out.

It turned out that policy discussion trumped personal attacks, the young turned up and voted, and the campaign mattered. To a certain degree earnestness, consistency and principles, almost overthrew cynicism, cash, messaging and manipulation.

To an ordinary voter (ie me), it looks as though the Tories simply thought they had it in the bag and concluded they didn't have to try too hard. They didn't provide a clear and properly costed explanation of what they wanted to do, why they wanted to do it, and how they wanted to do it. They went with soundbites and slogans (remember "strong and stable"?). At least Labour had a stab at a proper manifesto. They had a go at the numbers. They attacked the Government's record and proposed a clear alternative. But instead of engagement we got evasion. The Prime Minister's no-show at the leader's debate, while completely understandable, came to symbolise that evasion. And her performance at the leaders' question time was at times patronising. I can only assume the Tories thought that the election was done and dusted; all they had to do was keep their heads down (or hidden away), not make mistakes, and all would be well. But then came the mistakes with important policies poorly constructed and explained, and in one case quickly amended mid-campaign.

On the opposition side there were ideas to be critiqued and attacked. There was a record (although not a government record) to be scrutinised, and criticised without smears. But they just didn't engage. They were determined to play the man and not the ball, and tried to reduce the whole game not so much to a game of two halves, but a game of two centre-halves. The British parliamentary system is a team game. But the Tories reduced it to I, me, my. And the I in question proved to be less capable than a lot of us had thought. Why? How?

Hubris is that form of pride that contains the seeds of its own downfall. Not all pride leads to a downfall, but hubris does. Its the claim of the boxer to be the greatest before he's felled by an uppercut in the fifth round. It's the cynicism of the politician, who's already moving on to "more important matters" before a vote is counted. Post Brexit, post Trump, you'd think they would have learned their lesson. Apparently not.

Actually the issues facing the electorate at this election were complex and profound. They were hardly aired at all. We were badly served. The result is a weakened government with an unclear mandate. But, if the politicians learn that ideas and worked out policy, explained in grown up terms, are what the electorate is after, then it won't have been a complete waste.

It is all a reminder (again) of the wider world and bigger issues, that life throws up. The judgements to be made and the evidence to be considered in deciding whether to place my "x" against a name, and which name to place it against, were quite different to what I do in my day job. But what is equally true is that it's into exactly this kind of situation that Scripture speaks. From the messiness of human lives lived out as worked examples, some good, some bad, lessons are to be learned. And from the God who ultimately creates and sustains those lives, and who calls us to live them in a particular way, the standard is set. And He has been crystal clear on the subject of hubris: "God opposes the proud, but gives grace to the humble".

Saturday, 3 June 2017

Of peacock tears, cows and global warming


First of all, a potential fake news alert. A story concerning retiring judge Mahesh Chandra Sharma of the Rajasthan State High Court went viral this week. Some of the reported quotations attributed to said judge follow:

“The peacock is a lifelong celibate. It never has sex with the peahen. The peahen gets pregnant after swallowing the tears of the peacock.”

 “(Mother cow) is the only animal that inhales as well as exhales oxygen.”

 “Cow urine has the miraculous property of destroying any kind of germs. It provides strength to mind and heart. It stops ageing,” he said, adding that its horns “acquire cosmic energy“.

 “Houses plastered with cow dung are safe from radio waves.”

The reporting of these comments provoked a bit of an international media storm, well divorced from the initial context. The judge was hearing a case involving the care of cows in government shelters. Not a big issue you might think. But you would only think that if you were not an Indian Hindu, to whom cows, their status and treatment, matter a whole lot more than to your average Westerner. While as far as I can see the judge exists and said these things, a bit of care still has to be taken in interpreting the comments. After all, the original judgement was handed down in Hindi. That said, and taking them at face value, it’s a reminder that there are people and places that have been bypassed by a couple of centuries of scientific progress.

Ignorance is neither innocent nor harmless. It also has a close cousin – denialism. Particularly within healthcare and medicine, there are a number of denial movements which have either cost, are costing or will cost lives. HIV denialism took root in South Africa for a while, and with political support from former president Thabo Mbeki, delayed the introduction of antiretroviral treatment. According to a study by Chigwedere et al (2008)1, that delay may have cost 300,000 lives. Currently, lives are being lost because of the activity of the anti-vaccines movement. Parents are being persuaded not to have their children vaccinated, whether against measles in the US and Europe, or polio in Africa and parts of the sub-continent, in the face of scientific evidence and consensus. This all takes on a further worrying complexion when the deniers team up with purveyors of snake oil and sugar water, and seek to provide “alternative” remedies, usually at a profit. Like alternative facts, alternative remedies rarely have any positive effects.

In the West what is interesting is that this decline in the public traction that scientific evidence seems to have, at least in some quarters, parallels the decline in the influence of Biblical Christianity, or more particularly the values that flow from it. Arguments have raged for a while about the influence of these values on the rise of science. For all that the conflict metaphor has come to dominate at least the popular conception of the relationship between science and Christianity, it was in “Christian” Europe that the modern scientific enterprise emerged, having faltered in the Muslim world after a good start. Among others Hooykaas2 claimed that this was no accident. Perhaps we’re now in a position to begin observing what happens as nature becomes remythologised (seemingly a problem in Rajasthan) and a personal commitment to truth is devalued.

In addition, this week saw international ructions as result of President Trump announcing that the US would pull out of the Paris climate change agreement. This is further evidence of the success of a denial movement, partly motivated by commercial and industrial interests. Again there’s a weight of scientific evidence to be processed, not all of which is unequivocal. Few of us have either the expertise, the time or the inclination to examine the evidence for ourselves and therefore remain relatively ignorant of it. And there’s a small, but apparently influential group of dissidents, who reject both the scientific and the current political consensus. They cite alternative evidence, or provide alternative interpretations of the evidence. And of course, given our relative ignorance, we can fall prey to their efforts. Sometimes, we’re happy to cooperate in this if it supports our prejudices, or looks like it’s in our local, personal, narrow economic self-interest.

Of course, even if the science were 100% clear on one side of the argument (it’s probably more like 95%), in areas where political action is required, there are other considerations that have to come into play. History, economics, fairness and more besides go into making political decisions. That said, the evidence that humanity is warming the planet in a damaging way, while complicated, is fairly compelling.  If the consensus is wrong, then lots of money will be spent to achieve ends that while probably useful we could equally well live without. But if the consensus is right, but proper action is undermined by the deniers, then the consequences will be catastrophic in some places, grim in many others and expensive everywhere. But of course, because the consequences will unfold over a long period of time, the deniers will be long gone.

Maybe the truth of the matter is that ignorance is never bliss. But the only alternative is hard work educating the next generation and for that matter hard work informing ourselves.

1.       Chigwedere P et al (2008) Estimating the lost benefits of antiretroviral drug use in South Africa. J. Acquir Immune Defic Syndr 49(4):410-5. [Link]

2.       Hooykaas R (1972) Religion and the rise of modern science. Scottish Academic Press.