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Lithium ion batteries revolutionised the way we use, manufacture and charge our devices. They’re used to power mobile phones, laptops and even electric cars. Shutterstock

Nearly all your devices run on lithium batteries. Here’s a Nobel Prizewinner on his part in their invention – and their future

Nearly all your devices run on lithium batteries. Here’s a Nobel Prizewinner on his part in their invention – and their future. The Conversation41.5 MB (download)
M. Stanley Whittingham was one of three scientists who won the 2019 Nobel Prize in Chemistry for their work developing lithium-ion batteries – used to power mobile phones, laptops and electric cars.
This week’s Essential poll showed 56% of voters would prioritise stimulating the Australian economy over getting back to budget surplus. Mick Tsikas/AAP

Politics with Michelle Grattan: Ross Gittins on the government’s ‘surplus obsession’

Ross Gittins on the government’s “surplus obsession” The Conversation, CC BY29.3 MB (download)
As the Australian economy continues to struggle, many argue that stimulus is needed, urging the government to abandon its "surplus obsession".
The first report produced by Democracy 2025 brings forward the perspective of federal politicians, as they are key voices in the debate on trust in politics. Shutterstock

Politics with Michelle Grattan: On the trust divide in politics

On the trust divide in politics. The Conversation, CC BY50 MB (download)
Two of the authors of the first Democracy 2025 report discuss the keys findings about what politicians see as faults in the current political system, and how they think it can be improved.
The Deputy PM urges farmers considering leaving their farms to ‘take every bit of good advice available before they take that ultimate step’. Mick Tsikas/AAP

Politics with Michelle Grattan: Deputy PM Michael McCormack on the drought and restive Nationals

Deputy PM Michael McCormack on the drought and restive Nationals. The Conversation, CC BY33.7 MB (download)
Following tensions in the Nationals party room over the bring-forward of the dairy code for Pauline Hanson, the Deputy PM admits that the party leadership mishandled the situation.
Maggots are a major part of the puzzle when it comes to collecting forensic evidence. Shutterstock

Trust Me, I’m An Expert: forensic entomology, or what bugs can tell police about when someone died

Trust Me, I’m An Expert: forensic entomology, or what bugs can tell police about when someone died. The Conversation, CC BY58.8 MB (download)
James Wallman is one of Australia's few forensic entomologists. It’s his job to unpack the tiny clues left behind by insects that can help police solve crimes.
Some of Watts’ ancestors were deeply rooted in the old attitudes of “white Australia”, while his wife is from Hong Kong, and his children Eurasian-Australian. Erik Anderson/AAP

Politics with Michelle Grattan: Tim Watts on Australia’s changing identity

Tim Watts on Australia’s changing identity. The Conversation, CC BY37.7 MB (download)
Tim Watts joins Michelle Grattan to discuss his new book, The Golden Country, in which he reconciles his family's past and present, and explores the question of what it means to be Australian.
Heather Henderson and Mary Elizabeth Calwell reflect on their fathers’ legacies, growing up in a political environment, and offer their perspectives on a different era in politics. Office of Maria Vamvakinou MP

Politics with Michelle Grattan: daughters of Robert Menzies and Arthur Calwell say parliament wasn’t always a ‘fort’

Daughters of Robert Menzies and Arthur Calwell say parliament wasn’t always a “fort” The Conversation, CC BY79.2 MB (download)
Last week, Michelle Grattan moderated a very special discussion with the daughters of Menzies and Calwell at Parliament House. This podcast episode is a recording of that event.
The Panama Papers was the biggest-ever collaboration for investigative journalism, involving 400 journalists in 80 countries who collectively produced 6,000 stories in 100 different media outlets. Shutterstock

Media Files: investigative journalist Bastian Obermayer, who led the Panama Papers tax exposé

Media Files: investigative journalist Bastian Obermayer, who led the Panama Papers tax exposé. The Conversation, CC BY80.6 MB (download)
Today we meet Bastian Obermayer, the Pulitizer prize-winning journalist who led the Panama Papers investigation into global tax evasion.
“We’d be mad not to learn the lessons” of the election result, said Chalmers on Labor’s way ahead. Joel Carrett/AAP

Politics with Michelle Grattan: Jim Chalmers on the need to change economic course

Jim Chalmers on the need to change economic course. The Conversation, CC BY35.9 MB (download)
In this podcast, Shadow Treasurer Jim Chalmers argues the government can have both a more stimulatory policy and a surplus going forward.
Helen Haines (centre-right) made history at the election as the first federal independent to succeed another independent. Mick Tsikas/AAP

Politics with Michelle Grattan: Independent MP Helen Haines on using ‘soft power’

Independent MP Helen Haines on using ‘soft power’ The Conversation, CC BY27.1 MB (download)
Helen Haines, who does not have the real legislative power her predecessor, Cathy McGowan shared after the Coalition fell into minority government, says "building relationships is key to getting things done".
Have you been told by your doctor to consider dropping a few kilos? The good news is that often even a small amount of weight loss can improve your health outlook. shutterstock

Trust Me, I’m An Expert: what science says about how to lose weight and whether you really need to

What science says about how to lose weight and whether you really need to. The Conversation, CC BY49.3 MB (download)
A professor in nutrition and dietetics explains.
Despite a slowing economy, Josh Frydenberg says ‘you wouldn’t want to be in any other economy, other than Australia’. James Ross/AAP

Politics with Michelle Grattan: Treasurer Josh Frydenberg on a slowing economy

Politics with Michelle Grattan: Treasurer Josh Frydenberg on a slowing economy
This week's June quarter national accounts showed the weakest economic growth since the GFC, but Treasurer Josh Frydenberg remains optimistic.

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