A study in the journal Science presents compelling new evidence that neurons in the brain's memory centre, the hippocampus, continue to form well into late adulthood.

Complete proof that odd perfect numbers do not exist. Structured by σ-function constraints, logical contradiction, and density elimination. 奇数完全数が存在しないことをσ関数の制約・背理法・密度除去により証明。構成不能性を三重に包囲 ...

Test your 140+ IQ level with this fun brain teaser! Find the odd number hidden in the '256' sequence series within 11 seconds to boost your observation and thinking skills.