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In psychology what can be seen in Ehrenstein's brightness illusion?

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July 26, 2017

Let’s fly away: pioneers of aviation

A look at some early aviators and their most daring achievements. Read more >

July 20, 2017

What's new in July 2017

This month A Dictionary of Gender Studies and The Princeton Dictionary of Buddhism have been added to the site. Find out more >

July 13, 2017

The tale of Madame d’Aulnoy

Did you know fairy tales became a "legitimate" genre for adults in the late seventeenth-century? Read more >