EarthThe prospectors hunting hydrogen along a US continental rift A gaggle of companies are searching the US Midwest for underground hydrogen fuel produced by a billion-year-old split in the continent – ¿ìè¶ÌÊÓÆµ visited one of the first to start drilling ¿ìè¶ÌÊÓÆµ
TechnologyIs superintelligent AI just around the corner, or just a sci-fi dream? Tech CEOs are promising increasingly outlandish visions of the 2030s, powered by "superintelligence", but the reality is that even the most advanced AI models can still struggle with simple puzzles ¿ìè¶ÌÊÓÆµ