Journalist Vincent Bevins on the popular Landless Workers Movement of Brazil - an agrarian movement which redistributes unused government land. And environmental historian Rohan Howitt, from Monash University, argues that Australia had an Imperial zeal to claim the Antarctic and Southern Ocean as its own. 

Antony Loewenstein on the countries still supplying arms to Israel. And nature writer Robert Macfarlane asks, is a river alive?

Ian Dunt unpacks the UK government's tough new plan to reduce migration. With swathes of Europe in drought, could new data centres exacerbate growing water problems? And the project preserving Australia's most ancient long-distance communication tool: the message stick. 

Analysis of current events to the hottest debates in politics, science, philosophy and culture.

Analysis of current events to the hottest debates in politics, science, philosophy and culture.

Cambridge scholars Dr Wesam Amer and Dr Mona Jabril on the destruction of universities in Gaza. Plus, why does US President Donald Trump enjoy meddling with the world map?

Bruce Shapiro critiques Donald Trump's first hundred days in office. Fifty years ago Kerala was one of India’s poorest states, now it's one of the richest. How? And a tribute to Canadian Ted Kotcheff, who directed one of Australia's biggest cult films - Wake in Fright.

Laura Tingle and Niki Savva dissect Labor's landslide victory in the federal election, and examine what went wrong for the Coalition. Plus, writer Nick Ryan explains why there's a glut of wine in Australia. 

Leni Riefenstahl has been hailed as one of the greatest directors of all time, even though her most famous films were works of propaganda for Hitler's Reich. Her film about the 1934 Nuremberg rallies broke new ground in cinematic techniques and had a huge influence on filmmakers for years to come. Riefenstahl always claimed she was just an artist, unaware of Nazi atrocities, but a new documentary reveals secrets from her extensive archives.

Australia's tax system is unusually generous to the prosperous. Ahead of the Federal election, why is tax reform not on the agenda? And how Mexico's first female President, Claudia Sheinbaum, is taking on US President Donald Trump.