Mathematics: Conjuring with conjectures

  title={Mathematics: Conjuring with conjectures},
  author={I. N. Stewart},
The Clay Mathematics Institute is offering a million dollars for a solution to the Poincaré conjecture, and Grisha Perelman may have found one. What is the conjecture, and why does it matter? 
Mathematics: The reluctant celebrity
A reclusive Russian claims to have solved a century-old mathematical problem — but his enigmatic personality is adding a fresh dimension to the proof-checking process. Emily Singer reports.
Concepts as a working hypothesis
ABSTRACT Some philosophers argue that all concepts cannot have the same representational structure, because no single kind of representation has been successful in accounting for the phenomena
A hydrogen-bonded hexameric nanotoroidal assembly.