Last day to see an exhibit in New York City of mathematician Benoît Mandelbrot’s work on fractals and chaos theory, including some of his original drawings and photos. See bit.ly/SFmandelbrot
Deadline to enter the Neuro Film Festival, in which patients, caregivers or others can submit short videos about neurological disease to promote research funding. Watch past videos and get instructions for entering at bit.ly/SNneurofilm
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