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.

Crivello di Eratostene. Fonte: Wikimedia Commons.Il 17 aprile scorso arrivava nella casella di posta degli Annals of Mathematics un documento scritto da un matematico praticamente sconosciuto agli esperti nel suo campo, docente presso l'Università del New Hampshire di nome Yitang Zhang. Nel documento veniva indicato un importante progresso, addirittura una svolta, nella comprensione di uno dei più antichi problemi della matematica, la congettura dei numeri primi gemelli, proposta per la […]

The Setting It’s the middle of exam week and mentally I’ve already moved on to next year.  I am so ready to start SBG (Stanards Based Grading) that I’m actually a little sick and embarrassed of my finals this year. … Continue reading →

It is then meaningful to ask whether a line could be simultaneously an area and a perimeter splitter, and seek a characterization of such lines if they exist. As a matter of fact, they do, and there may be 1, 2, or 3such lines. This was shown by A. Todd a senior at university. In truth, the problem has an interesting history.Area and Perimeter Splitters in a Triangle is a post from: CTK Insights

So Nine does not simply insist that the collective in question adds material and symbolic value to the land and is in turn shaped by its ways of dealing with the land. While land-use patterns are important, what matters is that these land-use patterns are geared towards the establishment of...