Ahead of the Trump-Putin summit in Alaska, a Chatham House analyst is saying Ukraine will not accept any deal imposed without its participation. U.S. President Donald Trump and Russian President Vladimir Putin are expected to discuss a possible deal to end the war in Ukraine when they meet on Friday. Jaroslava Barbieri, Research Fellow at the Ukraine Forum at Chatham House, points out that Trump has said any peace deal would involve "some swapping of territories to the betterment of both" Russia and Ukraine, prompting consternation in Kyiv and European capitals as virtually all the territory in question is Ukrainian.

A chikungunya outbreak in China has infected more than 7,000 people. Chikungunya causes fever and joint pain, but in some cases can be fatal. There is no vaccine or real treatment. Epidemiologist Jason Rasgon, from Penn State University, explains how the disease is transmitted, and why it seems to be spreading to new areas. The chikungunya virus is not currently endemic in Australia. There have been no locally acquired cases, though mosquitoes capable of spreading the virus are present in some areas of Queensland, and travellers can become infected with the chikungunya virus if travelling to a region of the world where chikungunya is found.

An expert is warning that U.S. President's Donald Trump "astonishing U-turn" after agreeing to meet with Putin to discuss ending the war in Ukraine is an "alarming development". In this edition of Weekend One on One, Nigel Gould-Davies, a senior fellow for Russia and Eurasia at the International Institute for Strategic Studies, explains that the symbology of holding the summit in Alaska was clear, and that the location “naturally favors Russia.”

For Jolly Duong, the goal of being a Paralympian is now in his sights.

Around the world, fertility rates are dropping. The rate for each generation to replace itself is an average of 2.1 births per woman - and many countries are well below that figure. Does it matter? Surely reducing the population will make the Earth's resources go further? In this edition of Weekend One on One we hear from Associate Professor Michael Giarrusso from the University of Texas, who says unless this trend is reversed, the world’s population will peak in the next 40 to 60 years and then plummet, causing major global issues.

As a 14-year-old Kalani Artis was searching for direction. Dropping out of school young, he was also experiencing challenges with anxiety. A counsellor put him onto the music and mentoring programs run by Musicians Making a Difference - and it completed transformed the future direction of his life. The singer-songwriter is now 10 years past graduating from the program, but recently returned for a collaboration project that brought him full circle. In this episode of Weekend One on One, Biwa Kwan spoke with Kalani about his journey to finding his purpose through a strong connection with music and community

Mistrust, fear and systematic barriers, these are the reasons why Victorians experiencing racism are hesitant to report the incidents, according to a new study by Victoria University. It also found that almost eight in ten people didn't know where or how to report racism, while nine in ten people believe that reporting would result in no change. What could be done to encourage people to speak up against racism? Wing Kuang spoke to Associate Professor Mario Peucker from the research team.

An art exhibition in Melbourne is showcasing the work of three Aboriginal sisters in a collection entitled 'Connected Through Country'. Artists Amunda, Grace and Myra Gorey own their own art collective called No Fixed Gallery, which is dedicated to celebrating 65,000 years of Arrernte culture through contemporary art. In this episode of Weekend One on One, Biwa Kwan spoke with Amunda Gorey about the inspiration for the latest collection - and how her art intersects with her work with non-profit Children's Ground to deliver change and impact for First Nations children through a pioneering model blending lifelong learning and confidence in culture and language.

Researchers from the Fred Hutchinson Cancer Center in Seattle have tested a new HIV vaccine using mRNA, the technology behind many COVID-19 vaccines. Scientists say results from the early-stage clinical trial offer hope for significant progress in the global effort to develop a safe and effective HIV vaccine. For this episode of Weekend One on One, Angelica Waite has been speaking with Associate Professor Seth Cheetham, Deputy Director of BASE mRNA at the University of Queensland to learn more about the study, and what it means for HIV vaccine research

Labor’s new Member for Calwell says recognising a Palestinian state is more than symbolic, promising to take the fight up with his party room. Basem Abdo is the first federal member with Palestinian heritage. He sat down with SBS News for his first interview since the May election.