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Body & Brain

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fruit fly

RED-LIGHT DISTRICT  Levels of a brain reward compound increased in male fruit flies genetically engineered to ejaculate when exposed to red light when the insects were bathed in the rosy hue.

packaged meat

GUT WRENCHING  Pathogen detectors built into food packaging could help curb the spread of foodborne illness.

norovirus in mouse tissue

THE WINNER IS…  In mice, norovirus invades tuft cells (the two bright green spots) in the lining of the small intestine (left) and the colon (right). Other cells in the intestines that weren’t infected (blue) are also shown.

Body & Brain

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