A food giant will sell wearable technology for cows to help cut greenhouse gases.

Is it better to be poor in the US or India? What does living below a country's poverty line mean for the way people sustain themselves? We speak to photographer-economist duo Chow and Lin about their book "The Poverty Line", a decade-long project that explores what living with limited resources means for the dinner plates of different communities around the globe. Their exhibition "Summer of Fireflies: The Poverty Line Solo Exhibition" will be showing at the Rencontres d'Arles festival from July 4.

Two filmmakers escape to Ingmar Bergman's island home, in search of inspiration and a quiet place to write. Vicky Krieps and Tim Roth play the creative couple at the centre of Mia Hansen-Løve's "Bergman Island". And then, another film starts. This Russian doll of a drama explores the very nature of art, life and creative relationships. We hear more from the French filmmaker and her leading man about the sacred monsters of cinema. We also discuss different approaches to the creative process.

Japanese art collective teamLab launches a visually spectacular exhibition, propelling a forest in the southwest island of Kyushu to come alive with lights and colourful projections.

An Algerian woman uses upcycled coffee capsules that she collects from cafes to create her jewellery. She also distributes coffee grounds to farmers for compost.

 

The scientist has been accused of providing secret information to a foreign citizen. Russia has been experimenting with hypersonic weapons to expand its military capabilities.

Marathon world record holder and Olympic champion Eliud Kipchoge hopes that technology will take "centre stage" as athletes strive for improvement and chase faster times in the future. The Kenyan, who overcame humid conditions in Tokyo earlier this month to claim gold in the marathon, was among a host of runners who ran in specially designed Nike shoes fitted with carbon-fibre plates for more spring and quicker times, once again rekindling a debate around "technological doping".

Governments and companies worldwide pour a lot of time and energy into projects that aim to champion diversity: a direct response to citizens demanding that their cultural and ethnic realities be reflected in the institutions that represent them. So what are the best ways to foster genuine diversity, without falling into the trap of vacuous virtue signalling? We speak to British-Nigerian art historian, curator and broadcaster Aindrea Emelife about the power of art to change perceptions, as well as how to ensure that Black subjects can claim their rightful place in the art history canon.

Giant artworks adorn buildings in the German capital once again as the Berlin Mural Fest resumes after its 2020 edition was cancelled due to Covid-19. The festival has been controversial in the Berlin art scene because it is supported by the large property group Deutsche Wohnen, which plays a leading role in the German market, but in Berlin, where its housing stock is concentrated, Deutsche Wohnen suffers from an unsavoury image as a speculator that fuels rising prices.

A fascinating new book links art, the mentally ill and Adolf Hitler. It tells the story of how modern art was originally inspired by the work of psychiatric patients and how Hitler – twice rejected from art school – turned first on modern artists and later on those who had inspired them. The Nazis murdered thousands of psychiatric patients, in a chilling forerunner of the Holocaust. The book is entitled "The Gallery of Miracles and Madness: Insanity, Modernism, and Hitler's War on Art". Its author Charlie English joined us on Perspective to tell us more.

Ten years after their glory days, disabled music group Staff Benda Bilili dreams of returning to the music scene and of claiming the fruits of their former success, even if it means falling out with those who made them famous.