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Susan Smith photo

Credit Wolfgang Hoffmann/UW-Madison College of Agricultural and Life Sciences.

Nutritional scientist Sue Smith injects ethanol into chick embryos that are the gestational equivalent of 22-day-old human embryos. Smith and her lab then use powerful microscopes to observe the “immediate and devestating effects” of alcohol on developing neurological cells. According to Smith, fetal exposure to alcohol in humans may be more harmful–and more common–than once thought.