Le manifeste d’Adolf Hitler, publié en 1925 et entré dans le domaine public en 2016, n’avait guère été réédité depuis. Pour l’historien qui a préparé l’édition polonaise, il s’agit d’un « hommage aux victimes ».

Au menu de cette deuxième liste d’albums illustrés pour enfants, un méli-mélo d’animaux de tout poil et de bienveillance.

Aux Etats-Unis, l'association Coalition for a Safer Web demande à Apple de réserver à Telegram le même sort qu'à la plateforme Parler : une exclusion de son App Store. L'application de messagerie chiffrée est accusée d'avoir laissé se propager des appels à la violence avant l'assaut sur le Capitole.

Compagnon, monture outil de travail, viande de consommation, le cheval a joué bien des rôles pour l’homme occidental. Cette étude retrace son histoire dans le quotidien de l’Europe industrielle.

In 2013 James Howells threw out a computer hard drive containing bitcoin. Last week he again asked his local council for permission to dig for it at his local dump as he believes it is now worth about £200m. The Guardian’s UK technology editor, Alex Hern, looks at the rise of bitcoin and whether it should be banned

The Guardian’s UK technology editor, Alex Hern, talks to Rachel Humphreys about the cryptocurrency bitcoin, which allows people to bypass banks and traditional payment methods. It uses a blockchain – a shared public record of transactions – to create and track a new type of digital token, one that can only be made and shared according to the agreed-upon rules of the network. At its heart bitcoin is a big database of who owns what, and what transactions were made between those owners. But unlike a conventional bank, there is no central authority running that database.

Bitcoin’s value has recently soared and the City regulator the FSA is concerned that crypto investment firms could be overstating potential payouts or understating the risks from investing in bitcoin and products related to the digital currency. As a newer and relatively lightly regulated market, consumers are unlikely to have access to state-backed compensation if something goes wrong. There has also been a boom in bitcoin scams.

Businesses like Henkel, a big German chemical company, are trying wearable sensors to prevent virus outbreaks among workers.