Untouched nature was almost as rare 12,000 years ago as it is now

By Layal Liverpool Woodland in the UK has been influenced by human activity for millenniaSteve Speller/AlamyAs early as 12,000 years ago, nearly three-quarters of land on Earth was inhabited and shaped by human societies, suggesting global biodiversity loss in recent years may have been driven primarily by an intensification of land use rather than by…

Why is the UK warning Facebook not to encrypt its messaging services?

By Matthew Sparkes Priti Patel, the UK’s home secretaryMatt Dunham / WPA Pool / Getty ImagesThe UK home secretary, Priti Patel, has warned Facebook that its plans to introduce end-to-end encryption on Facebook Messenger and Instagram are “unacceptable”. She claims that the technology will allow child abuse to continue online and prevent police catching offenders.…

China is starting clinical trials of a Covid vaccine that can be inhaled

China’s CanSino Biologics will be starting clinical trials for a Covid-19 vaccine that is administered through inhalation next week, the company’s co-founder and Chief Executive Xuefeng Yu told CNBC on Sunday.Efficacy rates for China’s Covid vaccines have been found to be lower than those developed by Pfizer-BioNTech and Moderna. Earlier this month, the director of…

OpenSSH 8.6 Released

OpenSSH 8.6 is now available. The “ssh-rsa” signature scheme, which uses the SHA-1 hash algorithm, will be disabled by default in the near future. “Note that the deactivation of “ssh-rsa” signatures does not necessarily require cessation of use for RSA keys. In the SSH protocol, keys may be capable of signing using multiple algorithms. In…