To be a scientist, you need a well-rounded education

Of late, science has demonstrated why all types of knowledge lead to discoveries.

Science has been demonstrating the value of a broad education. Let’s start with classics. If you’ve read your Herodotus you’ll know that Persian kings insisted on drinking water that was transported in silver containers because they would keep the water fresh. The water supplies on the International Space Station are fed through silver for exactly the same reason.

Now, nearly two and a half thousand years after Hippocrates described the healing properties of silver, we know how it works. A team at Boston University has shown that, when dissolved, silver ions will get inside the bacterium and send its oxygen-generating machinery into overdrive, making the bug self-destruct.

Clearly, dissolved silver ions have been doing a great job throughout history and we can now expect even more. The Boston team showed that silver ions will also lever open the membranes surrounding various microbes, allowing antibiotic medicines to penetrate the bug’s defences. A dose of silver seems to disable many bugs’ resistance to our drugs: there is now talk of the ancients’ antibiotic getting us out of the terrifying growth of antibiotic resistance.

It’s worth sounding a note of caution here. For years, proponents of alternative medicine have been pushing “colloidal silver”, a suspension of microscopic silver particles, as a treatment for everything from cancer to haemorrhoids. However, European regulators and the US Food and Drug Administration have banned any over-the-counter sales because in most scenarios the best it will do is turn your skin a purple-grey as the silver ions accumulate in your body.

As unsightly physical afflictions go, the effects of a silver overdose are right up there with the Black Death, which has also caught the attention of scientists – though this time it’s a history lesson. The bacterium that wiped out half of Europe’s population between 1347 and 1351 is still around. However, it doesn’t seem particularly deadly to modern scientific eyes, which makes the virulence somewhat puzzling. That puzzle is about to be solved: thanks to a newly developed technique, scientists are studying the genomes of the various strains of plague bacterium. The hope is that the insights gained will warn us about which subtle changes to pathogens in our environment could lead to widespread modern-day epidemics.

Thanks to the same new technique, we also now have the complete genome sequence of a leprosy bug carried by a young Danish woman who died 700 years ago. The makeup of the medieval bacterium, published in the 14 June issue of Sciencemagazine, is remarkably similar to what we know of the make-up of modern leprosy bacteria. That means the Danish leper may well help us find new treatments.

Finally, religious studies. The writer of Ecclesiastes said there’s nothing new under the sun, and the US National Institutes of Health has decided that it’s a good piece of advice. The NIH has instigated a programme which suggests that the best way of speeding the discovery of new drugs is to repurpose the old ones. Drugs that passed safety tests but were abandoned for reasons of efficacy or profitability are being tried in previously unexplored applications. So far, the search has unearthed candidates for treating conditions such as Alzheimer’s disease, alcohol and nicotine addiction and muscular dystrophy. The drugs will now go into animal studies and clinical trials; researchers hope that some will reach the market in a few years’ time.

Various Roman artefacts, including a metal water container. Photograph: Getty Images

Michael Brooks holds a PhD in quantum physics. He writes a weekly science column for the New Statesman, and his most recent book is At the Edge of Uncertainty: 11 Discoveries Taking Science by Surprise.

This article first appeared in the 01 July 2013 issue of the New Statesman, Brazil erupts

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Labour to strip "abusive" registered supporters of their vote in the leadership contest

The party is asking members to report intimidating behaviour - but is vague about what this entails. 

Labour already considered blocking social media users who describe others as "scab" and "scum" from applying to vote. Now it is asking members to report abuse directly - and the punishment is equally harsh. 

Registered and affiliated supporters will lose their vote if found to be engaging in abusive behaviour, while full members could be suspended. 

Labour general secretary Iain McNicol said: “The Labour Party should be the home of lively debate, of new ideas and of campaigns to change society.

“However, for a fair debate to take place, people must be able to air their views in an atmosphere of respect. They shouldn’t be shouted down, they shouldn’t be intimidated and they shouldn’t be abused, either in meetings or online.

“Put plainly, there is simply too much of it taking place and it needs to stop."

Anyone who comes across abusive behaviour is being encouraged to email validation@labour.org.uk.

Since the bulk of Labour MPs decided to oppose Labour leader Jeremy Corbyn, supporters of both camps have traded insults on social media and at constituency Labour party gatherings, leading the party to suspend most meetings until after the election. 

In a more ominous sign of intimidation, a brick was thrown through the window of Corbyn challenger Angela Eagle's constituency office. 

McNicol said condemning such "appalling" behaviour was meaningless unless backed up by action: “I want to be clear, if you are a member and you engage in abusive behaviour towards other members it will be investigated and you could be suspended while that investigation is carried out. 

“If you are a registered supporter or affiliated supporter and you engage in abusive behaviour you will not get a vote in this leadership election."

What does abusive behaviour actually mean?

The question many irate social media users will be asking is, what do you mean by abusive? 

A leaked report from Labour's National Executive Committee condemned the word "traitor" as well as "scum" and "scab". A Labour spokeswoman directed The Staggers to the Labour website's leadership election page, but this merely stated that "any racist, abusive or foul language or behaviour at meetings, on social media or in any other context" will be dealt with. 

But with emotions running high, and trust already so low between rival supporters, such vague language is going to provide little confidence in the election process.