He was subversive and bold, yet also playful and accepting – putting the fun into pop art and finding freedom and fulfilment amid the blue skies and pools of California. David Hockney, who has died aged 88, lived and painted the truth
• David Hockney – a life in pictures
• David Hockney, revolutionary British artist, dies aged 88

David Hockney changed the world just by looking at it. His art was a feast of unabashed visual pleasure, one long orgy of the gaze, the delighted lifelong epiphany of someone who cherished flowers in a vase and freeways in the sun and thought endlessly about new ways of making pictures of such passing treasures. It didn’t seem to occur to him that the way he saw was revolutionary – all he cared about was truth. But no one had ever captured the look and feel of the contemporary world with such acceptance before. He has the same simple perfection as the Beatles – just as they caught the sound of the modern world, he caught its look.

The most revealing fact about Hockney is that he loved LA. Where some might see a moronic inferno, he saw freedom and possibility under an unjudging blue sky. Low-lying houses with patio doors glinting vacantly, tall thin palm trees with tiny heads, the white spume of a diver’s splash – Hockney’s California is a vision of paradise. He is the Matisse of pop art, A Bigger Splash the 1960s answer to Matisse’s 1904 manifesto for hedonism, Luxe, Calme et Volupté.

More resignations, more possible leadership challenges and dubious ‘sources’ – the PM has lost control of his own political agenda

“This isn’t the beginning of the end,” one senior Labour adviser remarked yesterday. “It has gone way beyond that.” To the middle of the end? The late-middle? Forgive the attempt to ascertain the precise coordinates of where we are in the decline and fall of Keir Starmer, which feels like it’s clocking in at slightly longer than the last days of Rome (conservatively estimated at a couple of centuries). Some believe that – like the phrase “heat death of the universe” – the “end of Keir Starmer” may sound like it should be a cataclysmically white-flash event, but will actually unfold over trillions of years.

I think something else is happening. I think we’re getting to the part in the movie where the mortally wounded antagonist hisses: “My death is only the beginning.” Andy Burnham is the sequel nobody asked for. The current inadequacy is a franchise.

Marina Hyde is a Guardian columnist

Guided by floating barriers, the Interceptor has already stopped more than 143,000lbs of rubbish from entering the Pacific from one LA river

On an overcast June morning, I step from the rubber-sided Zodiac boat on to a floating barge at the mouth of Ballona Creek, where it meets Santa Monica Bay on the west side of Los Angeles. The first thing I notice? Salty air is the only smell, despite six giant waste bins sitting atop the tennis court-sized barge.

The contraption is actually two barges – a smaller platform sits nestled inside the larger boat. A floating barrier directs rubbish into the device, where a conveyor belt scoops it up. An automated shuttle then distributes the waste into six dumpsters on a separate barge, sending an alert to crews when it is full. Above, solar panels form the ceiling and a conveyor belt runs slowly, dropping bits of plastic and waste into each of the bins. The whole thing can hold about 20,000lbs (9,070kg) of rubbish – the same as one fully loaded lorry.

Surreal genius from Harry Hill, trailblazing women and a passionate ode to an incredible New York rapper – these are the best listens from the last six months

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Is my metabolism slowing with age? What’s the secret to good skin? And is there anything I can do about my crows feet? Medical, health and diet experts offer a midlife MOT

According to the dietician Rick Miller: “By the time a man hits his mid-40s, several physiological changes are already under way. Testosterone drops at around 1-2% annually from the mid-30s, insulin sensitivity decreases and the liver’s capacity to process certain nutrients changes. The diet that kept a man lean and energetic in his 30s simply stops working.”

Eras. Easter eggs. Masters. Monoculture. It has been 20 years since Swift released her debut single, setting in motion a career so extraordinary, it permanently redefined the concept of pop stardom. Not only did her fight to own her music educate a generation of fans in how the music industry works, she also bent that industry to her will, outwitting the competition and defying norms to reset its terms. This is how she did it

Bradford-born painter, who made his name with sunkissed visions of California and never stopped breaking barriers, going on to become one of contemporary art’s most important figures, has died
• ‘David Hockney caught the look of the modern world’
• David Hockney’s life in pictures

David Hockney, the iconic British painter who cast a revolutionary gaze across 20th-century art, has died aged 88.

He made his name as a pop artist during the swinging 60s and was perhaps best known for his paintings of swimming pools that helped define the Los Angeles aesthetic. Works such as A Bigger Splash and Portrait of an Artist (Pool With Two Figures) depicted hedonistic scenes of love, lust and loss taking place below the city’s sun-soaked skies.

PM promises to fight any leadership challenge, saying any successor would face same problems as him

• UK politics live – latest updates

Keir Starmer has said he knows he has to “turn things around” after a series of crises culminating in the resignation of John Healey, the defence secretary, but warned that any successor would face the same difficult decisions.

In an interview with the BBC after Healey’s departure in a row over defence spending, Starmer promised again to fight any leadership challenge from Andy Burnham or others, saying: “I’m not going to go away.”

SpaceX executives have rung the Nasdaq opening bell after a record-breaking initial public offering which values Elon Musk’s company at $1.77tn in share offering

• SpaceX to list on US stock market at $1.77tn valuation in largest ever debut

SpaceX’s shares will be supported by a number of “forced buyers”, such as tracker funds.

Richard Hunter, head of markets at interactive investor, explains:

The Nasdaq index has tweaked its rules, which has allowed SpaceX to join the index on a fast-track basis. It remains to be seen whether the company will have a disproportionate effect on the index in terms of weighting, but in any event its inclusion guarantees some additional and significant buying pressure.

Ayoub Junaid, seven, given new pair but needs surgery as Gaza’s children remain unable to access treatment

A video of a seven-year-old Palestinian boy in Gaza who suffers from a severe visual impairment crying over his shattered glasses has drawn widespread attention across social and international media.

The footage of Ayoub Junaid has shone a light on the plight of the many visually impaired children in Gaza who, because of Israel’s blockade and the devastation caused by the war, have been unable to access eye examinations, corrective lenses or specialist ophthalmic surgery.