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.

1. The 7-minute workout timer (Whether you agree the 7-minute workout is effective is another question) 2. Limit pests without pesticides. I’ve used chili powder to deter ants before. 3. Search for “free things to do” when you travel 4. Developing a “poker face” for your hands 5. If posssible, avoid bathing during a thunderstorm

1. Hungry patron delivers knuckle sandwich, with a side of pickles 2. Dumb criminals rob homeowner and lock him in his gun closet 3. Alleged burglar falls asleep inside factory before arrest 4. Burglar arrested after calling police from inside home

The latest installment of math for six-year-olds… This morning once again I went into my daughter’s first-grade classroom, full of inquisitive girls, and made a mathematical presentation on the game of Nim.                    … Continue reading →

Just a quick post tonight to share a wonderful resource with you.  You are probably familiar with the name Greg Tang from his best-selling math books, most notably The Grapes of Math.  Or you might have seen him speak, as I have, at any one of a number of national conferences. So how exciting is it that he is now making all of his resources available for FREE on his new website.  This is a great resource, so head over there and explore!