‘Short of imagination’: Germaine Greer scorns Leonardo da Vinci’s art

The prolific author says the Mona Lisa looks ‘half-dead’ while speaking at Hay festival

Brushes with the law: how teaching art to women in prison changed their outlook

Mim Skinner spent two years teaching prisoners. Now she’s written a book, Jailbirds, to change our view of incarcerated women – and how we can support them on the outside

Fly me to the moon: the best ways to mark the Apollo 11 anniversary

From great exhibitions and books to lunar festivals, our guide to the best celebrations of 50 years since the moon landing

Manga belongs in the British Museum as much as the Elgin marbles

The Japanese graphic form has contributed to modern culture for over a century, says comic-book writer David Barnett

Fukushima, golf and Jesus on a gap year: why no subject is now off-limits for manga

Once regarded as too niche for the west, Japan’s comic genre has become a global phenomenon, generating billions of dollars. So why is it still so misunderstood?

Andy Warhol’s friendship with Jean-Michel Basquiat revealed in 400 unseen photos

Book offers ‘voyeuristic glimpse’ into the two artists’ lives with hundreds of Warhol’s images and diary entries

Lore of the Jungle: unearthing treasures from the Calais camp

A new exhibition tells the human stories of the infamous refugee camp through the objects created, used and discarded there.

Witch hunts, mystics and race cars: inside the weirdest village in Sweden

It is the place where the witch hunts began – and it still boasts its own language and strange rituals. Photographer Maja Daniels relives three freezing years in a cabin in Älvdalen

Kathy Acker review – a voyage to hell with the pirates of desire

This Babylonian beast of a show crashes the New York avant garde of the 80s into today’s transgressive talents, with Acker as its visionary guiding spirit

The Da Vincis of the dancefloor – meet the artists capturing clubland

Why take a selfie in a sweaty club when you can buy a painting of your banging night out instead? We meet the ravers turning 3am euphoria into pulsating art

The Guardian view on critics: thin-skinned artists beware

Editorial: US rapper Lizzo took to social media when angered by an unflattering review. But the wisdom of crowds hasn’t altered the need for independent, expert advice

Big tick energy: how a tiny flea created a revolution in British art

In 1664, scientist Robert Hooke drew a flea and created the first great work of British art. Without it, perhaps, there would be no Stubbs, Constable and Hirst

It’s a #masterpiece! What if Gauguin and Monet had been on Instagram?

Illustrator Jean-Philippe Delhomme has imagined how great painters would have fared on social media – and the trolling their work might have received

The Last Leonardo by Ben Lewis review – secrets of the world’s most expensive painting

How much of the famous Salvator Mundi did Leonardo paint? And where is the $450m picture now?

Notre Dame and the culture it inspired – from Matisse to the Muppets

It mesmerised Proust, terrified Homer Simpson and gave us the Hunchback – Guardian critics celebrate Paris’s gothic masterpiece at the heart of the modern imagination