TikTok is a phenomenally successful social media platform with more than a billion users scrolling through its endless feeds. But there is a dark side to the world’s most popular app and a major investigation has uncovered disturbing evidence about how the app operates. A joint investigation by Four Corners and triple j Hack shows how dangerous content is being served up to unwitting users with sometimes devastating consequences.

The true story of how Amy Winehouse’s best known and most celebrated body of work came into being. Featuring previously unseen footage of Amy, new interviews with producers Mark Ronson and Salaam Remi, and the musicians who worked with Amy on the album, offering fresh insights into Amy’s remarkable gifts as a singer, songwriter, musician and performer

Chicago blues great Buddy Guy never was the same after he heard John Lee Hooker’s seminal “Boogie Chillun’” while growing up in his rural stomping grounds of Lettswork, Louisiana. In 1957 he set out for the Windy City and its vibrant blues scene, where he played his way into the clubs, cut records, befriended and gigged with other greats (Muddy Waters, Howlin’ Wolf, Otis Rush), forged his skillful, intense, wild persona, hit the road, influenced new generations of musicians (Mick, Keith, Eric, Stevie Ray Vaughan), performed at the Obama White House and collected nine Grammys along the way. Supported by a sumptuous assemblage of performance footage, testimonials from those he’s inspired (including Clapton, Carlos Santana, Gary Clark Jr., and John Mayer) and some classic blues licks, Buddy Guy: The Blues Chase the Blues Away finds Guy (now a young 84) looking back at his life, providing valuable insight into his music while leaving room for some memorable anecdotes.

"Last Resort" by Papa Roach was a surprise hit given the song's raw and vivid portrayal of mental health and suicide. And although lead singer Jacoby Shaddix wrote “Last Resort” about his friends struggle, the song took on new personal relevance for Jacoby years later when he was battling his own demons. VICE learns the full, little known, story behind "Last Resort" and its journey from darkness into light.

Intermittent fasting is growing in popularity, and aside from weight loss, there are claims it can improve our health. But are they true? To find out, Catalyst asks dietician Dr Joanna McMillan to design a six-week personalised intermittent fasting programme for five everyday Aussies. Hairdresser Sam and her husband Kevin, a butcher, busy mum of four Renuka, train driver Julie and corporate accountant Vanessa all have underlying metabolic health issues that can potentially be treated with a fasting intervention – from insulin resistance to high levels of triglyceride fats in the blood.

For the first time archaeologists from around the world come together in search of funerary sculpted portraits of Palmyra disseminated around the world to recount the story of the ancient city in a way that has never been done before: through the faces of the city's inhabitants. 2000 years ago Palmyra was a flourishing city in the desert and an important trading centre between Europe, the Middle East and Asia. This prosperous past can be seen in the many funerary portraits of Palmyrene citizens made at this time.

More than 70 Indian politicians face charges of crimes against women, including eight for rape. Correspondent Ramita Navai investigates two recent rape cases that have drawn police, officials, politicians and even the Indian prime minister into controversy and sparked allegations of political cover-up to silence victims.

Debi Edward looks at China's journey to the modern communist state it is today, and the challenges it faces at home and abroad. Romilly Weeks travels to Malta to investigate the country's a water scarcity crisis, as experts warn that the country is becoming too dry to support its population. Dan Rivers meets the former circus performers being given a well-deserve retirement in France.

Experts Investigate the Secrets of a Revolutionary Encryption Machine. An unassuming 80-year-old device that has the appearance of a typewriter could actually be one of the greatest secret weapons in history; using cutting-edge digital technology, experts investigate the secrets of a revolutionary encryption machine

Embark on one of the most expensive and highly sought-after train rides in the world: Seven Stars. A ticket for this luxury sleeper train is so exclusive, passengers have to enter a lottery just to get onto the waitlist, and we will show why as we glide through Kyushu, an island brimming with beaches, hot springs, and active volcanoes. But it's not lava eruptions the train's driver and crew need to worry about this trip; it's an approaching Category 5 super typhoon that has everyone on high alert…and threatening to cut the trip short.