Brain structure sounds off to fear, anger Studies of a woman who had her amygdala surgically removed indicate that this brain structure appraises danger and detects fear using a variety of sensory clues, including facial expressions and vocal intonations. Adolphs, R., et al. 1996. Cortical systems for the recognition of emotion in facial expressions. Scott, S., A. Young, et al. 1997. Impaired auditory recognition of fear and anger following bilateral amygdala lesions.
Brain faces up to fear, social signs.
Galactic and stellar black holes get real Astronomers obtain observational evidence of a black hole's event horizon and suggest that nearly every galaxy contains a supermassive black hole. Meeting of the American Astronomical Society. Richstone, D.O., et al. 1997. Meeting of the American Astronomical Society. Monster black holes.