BlogArena

General blog about anything and everything of everyday's life.

February 13, 2017
by Guest Post
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Low level of oxygen in Earth’s middle ages delayed evolution for two billion years

A low level of atmospheric oxygen in Earth’s middle ages held back evolution for two billion years, raising fresh questions about the origins of life on this planet. New research by the University of Exeter explains how oxygen was trapped … Continue reading

July 16, 2014
by Guest Post
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Improve grades, reduce failure – undergrads should tell profs ‘Don’t lecture me’

A significantly greater number of students fail science, engineering and math courses that are taught lecture-style than fail in classes incorporating so-called active learning that expects them to participate in discussions and problem-solving beyond what they’ve memorized. Active learning also … Continue reading