TechnologyIs OpenAI hitting a wall with huge and expensive GPT-4.5 model? Some researchers think OpenAI's giant and expensive latest model is a sign that tech companies cannot keep making progress by continually scaling up Analysis
HealthExtreme heat may speed up biological ageing in older people Spending more days in extreme heat seems to be linked to markers of increased biological ageing in people aged 56 and over, suggesting that it could raise the risk of age-related diseases ¿ìè¶ÌÊÓÆµ