Conservation

British Library to put very big royal atlas online

Project reveals madness of King George III for his map collection <p> </p>

Eleventh-hour deadline extension saves Pompeii’s huge rescue project

Despite earlier threats to withdraw vital European funding, officials are expected to extend deadline to finance work in 2016 and 2017

The story behind the reattributed drawing by Hieronymus Bosch

Project to mark 500th anniversary of artist’s death upgrades Infernal Landscape to an authentic work

Step inside conceptual artist David Ireland’s greatest masterpiece—his home

House on 500 Capp Street in San Francisco will become an arts space, archive and study centre

Icom releases red list of Libyan antiquities at risk

With the country in “chaos” because of civil war, museum council warns officials, institutions and the art trade of the kinds of objects that could be looted

For world-class Art Deco, visit Shanghai

Chinese city is first in Asia to host global congress

The price tag of contemporary art is just the beginning of what it will cost you

The Art Preservation Index wants collectors to know that much art today is made from materials that will deteriorate fast

Celebrated director of World Monuments Fund retires

Bonnie Burnham made the organisation, which turns 50 this year, into a global powerhouse

Tintoretto’s Venetian masterpieces sparkle again

Cleaning and LED lighting give visitors a glimpse of how the space originally looked

Kinky Calder gets restored in time for UK debut

Artist’s grandsons waived fees to conserve his largest work, which goes on show at Tate Modern this week

MoMA unveils film classics restored to former glory

International Festival of Film Preservation, which opens today, will show a mix of silent comedies, classics and cult favourites

La Dolce Vita’s Trevi Fountain revived

The Fendi-backed €2.2m restoration of the Roman tourist favourite is nearly complete

Hiker discovers 1,200-year-old Viking sword in Norway

Archaeologist says climate change could result in more ancient objects resurfacing in the far North

Have mummies, will travel

CT scans reveal secrets of Field Museum’s Peruvian and Egyptian treasures before they are sent on the road

Florence Baptistery hauls down the scaffolding in time for Papal visit

€2m restoration of eight marble outer walls took 21 months

How to document heritage sites under threat

Project aims to create virtual archives using 3D scanning technology

V&A’s Indian textiles have stories to tell

Shirt inscribed with Koranic verses was kept in storage for 80 years, while appliquéd wall hanging was found dumped in a New York street

Southern barbarians rise to fight again

Rediscovered Japanese panels on show after two years of painstaking restoration in specialist studio

Isil extremists blow up Palmyra's Arch of Triumph

Syrian antiquities head confirms destruction of ancient Roman archway