“His experiment was motivated by this belief that people have underestimated the “cognitive ability of livestock — cows, sheep and pigs and goats. We assume they’re not particularly clever or perceptive,” he says.” NPR: Goats Might Prefer A Smile To A Frown.

+ FastCo: This app lets seniors book “grandkids on demand.” (For seniors who want to ignore their grandkids, there’s every other app…)