Editor's note

There are plenty of old wives’ tales that claim to predict the sex of an unborn baby. One that many swear by is that the extra testosterone from a male pregnancy makes mums ‘aggressive’, and the oestrogen from a female pregnancy makes mums ‘emotional’. But what does the science say? As you probably guessed, it turns out it’s not so simple.

Alexandra Hansen

Section Editor, Health and Medicine

Health + Medicine

Will a female pregnancy make mum more emotional, and a male one more aggressive? from www.shutterstock.com.au

Are maternal hormones different when carrying a boy or a girl?

Monique Robinson, University of Western Australia

Anecdotes suggest moods are different depending on the sex of the baby - but this is not backed up by science.

Heavy alcohol consumption over ten years or more can cause significant brain function problems. But what about casual drinking? Robert Mathews/Unsplash

Research Check: can even moderate drinking cause brain damage?

Nicole Lee, Curtin University; Rob Hester, University of Melbourne

New research shows an association between moderate drinking and long-term brain impairment. But there are a few reasons to be cautious about these findings.

FactCheck

Social Services Minister Christian Porter, speaking on Q&A. Q&A

FactCheck Q&A: are rates of drug use 2.5 times higher among unemployed people than employed people?

Nicole Lee, Curtin University

Social Services Minister Christian Porter told Q&A that 'rates of drug use amongst unemployed are 2.5 times higher than amongst employed people'. Is that correct?

Multimedia

Lukas Coch/AAP

Politics podcast: Josh Frydenberg, George Christensen and Mark Butler on the Finkel review

Michelle Grattan, University of Canberra

It's clear that reaching an outcome on energy policy which brings the certainty business needs to invest will be a hard slog for Malcolm Turnbull.

Ice cores are a window into the past hundreds of thousands of years. NASA Goddard Space Flight Center/Ludovic Brucker

The three-minute story of 800,000 years of climate change with a sting in the tail

Ben Henley, University of Melbourne; Nerilie Abram, Australian National University

The current rise in atmospheric carbon dioxide levels is unprecedented in the past 800,000 years. As our video explains, ice cores track human changes to the atmosphere that are far beyond natural.

Environment + Energy

A cyclist rides along the Hume Highway. New research confirms that drivers cause most collisions between cars and bicycles. AAP Image/Tracey Nearmy

Cars overwhelmingly cause bike collisions, and the law should reflect that

Soufiane Boufous, UNSW

To celebrate the 200th anniversary of the bicycle, we look at new research that confirms cars cause the majority of bike collisions. It's time to follow much of Europe and shift liability to drivers.

A meerkat at the National Zoo and Aquarium in Canberra. The Zoo has recently announced an expansion that will double its size. AAP Image/Stefan Postles

Zoos aren't Victorian-era throwbacks: they're important in saving species

Alienor Chauvenet, The University of Queensland

Zoos' role in conservation is divisive, but in Australia they could be critical in securing and even recovering threatened species.

Business + Economy

Modern working conditions are forcing unions to alter the way they are structured. Search Results Australian Nursing & Midwifery Federation

Three strategies unions are considering for their survival

Michael Walker, University of Technology Sydney

There are some different strategies unions are now considering to help these organisations survive in a changing economy.

Lachlan Murdoch is attempting to restructure Ten Network. AAP

Ten Network has a hard road back to viability

Peter Wells, University of Technology Sydney

For Ten to be a viable business it needs to make hard decisions to cut costs and reach more viewers.

Politics + Society

$70 million is tiny sum in the scheme of the federal government’s expenditure to manage asylum seekers who arrive by sea. AAP/Eoin Blackwell

For $70m, government gets off lightly, but settlement still highlights responsibility for Manus

Alex Reilly, University of Adelaide

The case provided a platform to lay bare the ugly reality of conditions in detention, and the role of the Commonwealth and its contractors in producing and sustaining those conditions over many years.

Latvian Jelena Ostapenko won this year’s French Open at the age of just 20. Reuters/Benoit Tessier

Why women’s tennis rankings need an overhaul

Stephanie Kovalchik, Victoria University

The unpredictability of women's tennis in 2017 should make us strongly question the performance of the official rankings – and not simply the players’ performance.

Cities

When the government decides to evict, public housing tenants’ lives are turned upside down. Reuters

Sydney public housing evictions a policy success? Only if you ignore the high human cost

Alan Morris, University of Technology Sydney

The last 24 public housing tenants holding out against eviction from Millers Point, Dawes Point and the Sirius Building still hope the government may show some compassion.

How truly innovative are companies like Uber and Airbnb, super-monopolies that capture entire markets by locking vendors and customers into their platforms? Dan Peled/AAP

In defence of serendipity: the Silicon Emperor is wearing no clothes

Sebastian Olma, Avans University of Applied Sciences

The digital pin-ups' business models actually inhibit serendipity and, indeed, innovation by absorbing entire markets into the sealed-off space of their platforms.

Education

Front cover of Tjarrany Roughtail - the book features a collection of Dreaming stories. Magabala Books

Indigenous picture books offering windows into worlds

Ambelin Kwaymullina, University of Western Australia

These books introduce children to Indigenous culture and experiences through colourful pictures and powerful storytelling.

Students with disabilities are regularly segregated from their peers in the playground, classroom and lessons. from shutterstock.com

Report sparks concern about how schools support students with disabilities

Peter Walker, Flinders University

'Cage-like' facilities, segregation, and high numbers of exclusions show the concerning ways schools have responded to challenging behaviours by students with disabilities.

Arts + Culture

A parade in St Petersburg last year celebrating Bloomsday, the day on which Ulysses is set. Shutterstock

Friday essay: the wonder of Joyce's Ulysses

SF McLaren, Western Sydney University

Around the world today, fans of James Joyce's Ulysses will celebrate Bloomsday. This experimental novel can be bewildering to read, but for those who persist, it is a 'feast' of a book.

The fall of the Athenian army in Sicily during the Peloponnesian War in 413 BC as depicted in an 1893 illustration by J.G.Vogt. Wikimedia Commons

Guide to the classics: Thucydides's History of the Peloponnesian War

Julia Kindt, University of Sydney

As populism reemerges, Thucydides’s insights into the power of words to influence public sentiments remain acutely up-to-date.

Science + Technology

Suited up to simulate the conditions of working outside on Mars. Jonathan Clarke (the author, left) with visiting engineer Michael Curtis-Rouse, from UK Space Agency (right). Jonathan Clarke personal collection

Dear diary: another day in the life on Mars

Jonathan Clarke, UNSW

One of the best ways to find out the challenges of living on Mars is to simulate living on another planet here on Earth. So what's it like to spend several months living the Martian life?

The government wants additional powers to access encrypted messages. Luis/Flickr

When is 'not a backdoor' just a backdoor? Australia's struggle with encryption

Robert Merkel, Monash University

The Australian government wants to access encrypted messages, but don't call it a "backdoor".

 

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