Category archives: Humanities & Social Sciences

MI weekly selection #4

MI weekly selection #4

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

First brain cells found devoted to selective attention in an invertebrate animal. Dragonflies lack humans’ big brains, but they still get the job done, according to new research that suggests that these insects have brain cells capable of feats previously seen only in primates. Specifically, the dragonflies can screen out useless visual information to focus […]

When should a man be more interested in caring for his sister’s children than his wife’s?

When should a man be more interested in caring for his sister’s children than his wife’s?

AnthropologyEvolutionGenetics

By César Tomé

From the genetic point of view, when should a man be more interested in caring for his sister’s children than his wife’s? A quantitative analysis of Alan Rogers, University of Utah, shows that this behaviour should be the choice in populations where adultery is common or permitted. In the animal world, males caring for offspring […]

MI weekly selection #2

MI weekly selection #2

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Five hundred phases Condensed matter physics – the branch of physics responsible for discovering and describing most of these phases – has traditionally classified phases by the way their fundamental building blocks – usually atoms – are arranged. The key is something called symmetry. Classifying the phases of matter by describing their symmetries and where […]