For food defense, the emphasis shifts away from both traditional sensitivity and specificity to rapid identification of anything unusual present at a high enough level to cause harm to public health.

There is something earnest about artists opening their homes to the public. Connecting the disparate parts and artworks of Beta Spaces was a strong feeling of geographic specificity.

The conference moves to deeper levels of specificity and personal contact during the following two days, held at public television affiliate KQED.