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- SCIENTIFIC AMERICANA DAY AGO

First Proof is AI's toughest math test yet. The results are mixed
Experts gave AI 10 math problems to solve in a week. OpenAI, researchers and amateurs all gave it their best shot
- SCIENTIFIC AMERICAN15 HOURS AGO

Spaceflight literally moves your brain
Space's microgravity appears to shift the location of the brains of astronauts—without a clear effect on their health