GPT-5.4 Pro cracked a conjecture in number theory that had stumped generations of mathematicians, using a proof strategy that ...

This marks the completion of enrollment of all male Phase 3 studies of VDPHL01 in pattern hair loss, with approximately 1,000 male patients enrolled across studies Topline data from initial '302' ...

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Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume no duplicates in the array.