Food & Nutrition How Does Fat Affect Us? The lowdown on a commonly misunderstood nutrient that has surprising benefits The Tufts video series Ever Wonder features faculty and other experts answering questions for the curious about all manner of topics—from why we get wrinkles to what a microbiome is. You can view the series at http://everwonder.tufts.edu. Oral Health Why Do We Have Wisdom Teeth? Water Why Is the Ocean Salty?