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.

5 = (2 * 1) + (1 * 3) Also: 5 + 2 - 1 = 1 * 3! Also: 5 - 2 = 1 * 1 * 3

Οι λύσεις των μαθηματικών γενικής παιδείας Γ Λυκείου από το Mathematica

Political coverage over the last week has focused on a series of stories that reflect negatively on the executive branch, but President Obama's approval ratings have held steady.

The following conversation took place in my house the other day. Tabitha (6) had been informed by her mother that she (Tabitha) needed to eat something healthy before eating a chocolate-covered donut. I was—and remain—ignorant of the origins of this … Continue reading →