![SA Mind Vol 31 Issue 3](https://static.scientificamerican.com/sciam/cache/file/E341B021-EA99-45B2-89DEBCF17772071D_source.jpg?w=300)
Volume 31, Issue 3
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Features
Tau Shows Promise as Achilles' Heel for Alzheimer's and Similar Diseases
The protein, once seen as a secondary player, has taken a leading role in combating neurodegenerative illnesses
Why Don't People Care That Men Don't Choose Caregiving Professions?
People attribute the lack of women in STEM fields to external factors but attribute the lack of men in helping professions to internal ones
Expression of Doubt
Psychologists can’t agree whether facial expressions reliably convey moods. But companies building emotion-recognition software aren’t waiting to find out