Five years later, has sci-fi cult hit Devs aged well? 30. July 2025 (20:00) Alex Garland's tech company mystery is smart and compelling, though it can also be chilly and self-indulgent. Bethan Ackerley missed it in 2020, but after five strange years, she has decided to check it out(New Scientist)
This string art game will boost your mathematical imagination 30. July 2025 (20:00) Inspired by the work of Victorian mathematician Mary Everest Boole, try making a symmetric curve using string and some hole-punched card, says Peter Rowlett(New Scientist)
Extra-hard hexagonal diamonds can now be grown in a lab 30. July 2025 (18:00) Hexagonal diamond up to 60 per cent stronger than normal diamonds could be used to create super-tough drilling and cutting tools for industrial applications(New Scientist)
Ancient pots found near Pompeii contain 2500-year-old honey 30. July 2025 (15:00) A mysterious residue inside a set of ancient Greek pots from Paestum, Italy, has now been identified as honey thanks to modern chemical analysis(New Scientist)
Meltwater bursts through Greenland ice in first-of-a-kind eruption 30. July 2025 (12:00) Satellite images reveal how a subglacial lake erupted through the Greenland ice sheet – a phenomenon never witnessed before which could be driven by rising temperatures(New Scientist)
Rust-based battery connects to an electricity grid for the first time 30. July 2025 (10:00) An iron-air battery in the Netherlands, which can store energy for 100 hours or more to make renewable power sources more consistent, has become the world’s first “rust” battery to connect with an electricity grid(New Scientist)