too much iridium

Paul McCartney in Columbus Oct. 22 at Value City Arena. Tickets are $197-$77!


Generalized problem: What is the expected number of components of the k-dimensional n-checkerboard,[n]^k, with each unit k-cube independently colored one of r colors? In this case, unit k-cubes are adjacent if they share an (n-1)-dimensional face.

Realistic endings to popular jokes HERE. So funny.
via boingboing

Rare metal found in samples at Serpent Mound
Too much iridum means it was probably the imapct of a large meteorite a long time ago.