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An impression of what it could have looked like: a giant lizard, Megalania, stalks a herd of migrating Diprotodon, while a pair of massive megafaunal kangaroos look on. Laurie Beirne

Giant marsupials once migrated across an Australian Ice Age landscape

Studies of the fossil teeth of the three-tonne Diprotodon have revealed the now-extinct beast was Australia’s only known seasonally migrating marsupial.
On this podcast, academic experts separate the signal from the noise, the data from the anecdotes, explain the science, look at the peer-reviewed evidence and ignore the media hype. The Conversation

Trust Me, I’m An Expert: a new podcast from The Conversation

Everything from the curious to the serious The Conversation, CC BY-ND4.16 MB (download)
A new monthly podcast from The Conversation, where we bring you the most fascinating, surprising stories from the academic world.
An F/A-18 Hornet breaking the sound barrier. Wikimedia Commons

Riverfire, sonic awe and the pornography of war

Fly-bys by RAAF Super Hornets and army helicopters are a noisy finale to the Brisbane Festival. While many find this sound awe-inspiring, what of those with lived experience of war?
Perth has long had many fine parks but is losing vegetation cover in a band of increasingly dense development across the city. Ruben Schade/flickr

We’re investing heavily in urban greening, so how are our cities doing?

A new study shows major Australian cities are suffering an overall loss of green space – although some areas are doing better than others.
The price of new-build renewable energy is expected to fall significantly relative to new-build coal energy in coming years. AAP Image/Lucy Hughes Jones

Renewables will be cheaper than coal in the future. Here are the numbers

The price of renewable energy will fall significantly relative to new-build coal in coming decades, making an all-renewable electricity system more desirable, both economically and environmentally.
Borrowings from the indigenous Māori language are so common that visitors to New Zealand are greeted in Māori as soon as they arrive. Sinead Leahy

Kia ora: how Māori borrowings shape New Zealand English

One of the distinguishing features of New Zealand English is how much it borrows from the indigenous Māori, with consequences for both languages.
Detail from a statue of the Virgin Mary cradling the body of Jesus (15th-century Slovenia). For many centuries, the pain that could accompany dying was seen as punishment for sin and ultimately redemptive.

When a ‘good death’ was often painful: euthanasia through the ages

For centuries, in Western societies, ‘euthanasia’ referred to a pious death, blessed by God. The pain that could accompany dying was seen as ultimately redemptive.
Housing policymaking hasn’t gone smoothly since Tony Abbott sidelined the experts by scrapping the National Housing Supply Council in 2013. Alan Porritt/AAP

Mounting housing stress underscores need for expert council to guide wayward policymaking

Unaffordable housing and homelessness are burning issues. Policymaking has suffered from a critical lack of data and expert input since the National Housing Supply Council was axed in 2013.
Detail from NigeI Milsom (Australia, 1975–), Judo House Part 6 (The White Bird), 2014–15 oil on linen, 230 x 194 cm. Reproduced courtesy of the artist and yuill|crowley, Sydney. Photo: Art Gallery of New South Wales

Sex and spirit: the many faces of ecstasy

The Ecstasy of St Teresa is the point of departure for a new exhibition examining ecstasy in all its guises, from the sexual to the spiritual to the banal.
NFL players from many teams have knelt or linked arms in protest during the playing of the national anthem. Reuters/Paul Childs

Why US sports stars are taking a knee against Trump

Donald Trump’s ill-timed comments on protests by America’s elite athletes have given legitimacy to claims of his racial animus.