Researchers from Brazil's Universidade Estadual de Campinas used a computer simulation to confirm paleontologist Stephen J. Gould's prediction that it is evolutionarily advantageous for cicadas to emerge at intervals lasting a prime number of years.

Up to date, this is the most comprehensive introduction to graphic lambda calculus. You can download it from here.  Will appear monday on arxiv. It does not contain all the material on the subject, but it is, I hope, a fair exposition of what you can do with it. See also the tutorial page on […]

Uri Trieisman gave the Iris Carl equity speech in Denver. Dan Meyer summarized it  in detail and recommended it highly, so I listened to it online. I thought the speech was well delivered and the reviews were mostly positive by those who replied to Dan's blog.  Uri's main message was that poverty sucks. He shows this powerful image that highlights the correlation between poverty concentration and percentage meeting SAT criterion. Sad message indeed. The most interesting […]

The journal Cell Cycle is expressing a “note” of concern about a 2012 paper by a former researcher at the University of Minnesota, who has claimed that her mentor at the institution was violating her copyright. It turns out the journal had briefly retracted the paper, but reversed itself with the expression of concern — […]

For those who do not have Spotify you can download it here or [...]