- July 21, 2025
Should we preserve the pre-AI internet before it is contaminated?
Wikipedia already shows signs of huge AI input Serene Lee/SOPA Images/LightRocket via Getty Images The arrival of AI chatbots marks
Is it time to aim for 1.7°C as the new limit for global warming?
Wildfires are expected to become more frequent and severe as global temperatures rise COSTAS METAXAKIS/AFP via Getty Images If you
Complex knots can actually be easier to untie than simple ones
A knotty problem for mathematicians finally has a solution Pinkybird/Getty Images Why is untangling two small knots more difficult than
How government use of AI could hurt democracy
AI could automate some government paperwork, but it comes with serious risks Brett Hondow / Alamy Many countries are exploring
Colossal’s plans to “de-extinct” the giant moa are still impossible
An artist’s impression of the moa, one of the largest extinct birds Christopher Klee/Colossal Biosciences Colossal Biosciences has announced plans
Fig trees may benefit climate by turning carbon dioxide into stone
Fig trees may be especially good at removing carbon dioxide from the atmosphere Raimund Linke/mauritius images GmbH/Alamy Some fig trees
Prehistoric Spanish people transported 2-tonne stone by boat
The Matarrubilla stone at Valencina in Spain was transported more than 5300 years ago L. García Sanjuán A 2-tonne megalith
Altered gut microbiome linked to fertility issues in people with PCOS
Restoring levels of specific gut microbes might help treat fertility issues in people with PCOS Science Photo Library / Alamy
New Scientist Book Club’s verdict on The Ministry of Time by Kaliane Bradley: A thumbs up
Kaliane Bradley’s The Ministry of Time was (largely) a hit with the New Scientist Book Club One of the wonderful
Ancient people took wallabies to Indonesian islands in canoes
Brown forest wallabies spread to several islands thousands of years ago Mehd Halaouate, Birdingindonesia.com As early as 12,800 years ago,