The analysis of neural morphology across Heliconiini butterfly species revealed brain area-specific changes associated with new foraging behaviours. While the volume of the centre for learning and ...

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On benchmark evaluations, K2 Think leads all other open-source models in competitive math performance. It scored 90.8 on AIME 2024, 81.2 on AIME 2025, and 73.8 on HMMT 2025, according to benchmarks ...