When we get a nasty cut that becomes infected, or suffer a urinary tract infection, we expect to be able to treat it with antibiotics. But as more bacteria become resistant to these medicines, we’re left with fewer and fewer options.

The World Health Organization has warned that antimicrobial resistance is one of the biggest global health threats. By 2050, 10 million people are expected to die each year from drug-resistant infections.

So how did we get here? In the first part of our new series, Allen Cheng charts the rise and fall of antibiotics, and explains how our current overuse is putting us at risk.

Also today, Mark Blaskovich delves into the science and explains how exactly bacteria become resistant to antibiotics.

Later in the series we’ll bring you more on the potential solutions, including the quest for new antibiotics and other alternatives – and how we can use the antibiotics we have more wisely.

Fron Jackson-Webb

Deputy Editor and Senior Health Editor

The rise and fall of antibiotics. What would a post-antibiotic world look like?

Allen Cheng, Monash University

Antibiotics have been around for less than a century. But as resistant bacteria become increasingly difficult to treat, we risk a greater number of deaths from infections.

How do bacteria actually become resistant to antibiotics?

Mark Blaskovich, The University of Queensland

Resistance arises when bacteria are exposed to levels of antibiotics that don’t immediately kill them. Here’s how.

Why it’s a good bet the RBA’s Melbourne Cup Day interest rate hike will be the last

Peter Martin, Crawford School of Public Policy, Australian National University

It’ll now be a frugal Christmas in many Australian homes. But there is a glimmer of good news: if we do tighten our belts, rates could start to come down by as early as the middle of next year.

Luminous ‘mother-of-pearl’ clouds explain why climate models miss so much Arctic and Antarctic warming

Katrin Meissner, UNSW Sydney; Deepashree Dutta, University of Cambridge; Martin Jucker, UNSW Sydney

Back when there were Arctic alligators and turtles, ‘polar stratospheric clouds’ kept their world warm. Research suggests these clouds contribute to the ‘missing warming’ in climate models.

Making money green: Australia takes its first steps towards a net zero finance strategy

Alison Atherton, University of Technology Sydney; Gordon Noble, University of Technology Sydney

If big money is going to invest in clean energy and technology, the rules have to be clear. Australia’s launch of a green finance strategy last week was a good start but there is further to go.

Only 1.5% of students swapped fields due to the ‘Job-ready Graduates’ fee changes

Jan Kabatek, The University of Melbourne; Michael Coelli, The University of Melbourne

Australian university applicants are sticking to their preferred fields of study, despite dramatic changes to student fees in 2021.

A Senate inquiry says Australia needs a national ADHD framework to improve diagnosis and reduce costs

David Coghill, The University of Melbourne

After more than 700 submissions and evidence from 79 witnesses at three public hearings, the senate inquiry into ADHD diagnosis and treatment barriers has delivered its findings.

Researchers warn we could run out of data to train AI by 2026. What then?

Rita Matulionyte, Macquarie University

When it comes to training high-performing AI models, the quality of the data is just as important as the quantity.

By reviewing the name of the Baden-Powell Award, Scouts Australia is grappling with its colonial past

Ciara Smart, University of Tasmania

Like many other institutions, Scouts is caught in an awkward gap between tradition and modernity, as society grapples with colonial figures who were heroes to some, but not others.

I’ve had enough of Sad Bad Girl novels and sensationalised trauma – but I’m hungry for complex stories about women

Liz Evans, University of Tasmania

Sad Bad Girl novels combine the haplessness of Bridget Jones with the despair of Sally Rooney. Liz Evans assesses a ‘buzzy’ debut within the genre and a #MeToo novel that refreshingly defies categories.

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