DEDICATION Wolfgang Becker (1952-2002)

Reconstructing race in science and society: biology textbooks, 1952-2002.

How has growing knowledge about human genetics affected how American textbooks present race? This article analyzes 80 biology textbooks published from 1952 to 2002 to reveal that U.S. biology texts have pursued the topic of race with renewed vigor in recent years. Moreover, textbooks have redefined race as genetic without furnishing empirical evidence for this framing. The textbooks' transforma...

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Wolfgang Wahlster

In face-to-face conversation humans frequently use deictic gestures parallel to verbal descriptions for referent identification. Such a multimodal form of communication is of great importance for intelligent interfaces, because it simplifies and speeds up reference to objects in a visual context. Natural pointing behavior is very flexible, but possibly ambiguous or vague, so that without a care...