Call her Bessie. Call her Daisy. Call her Buttercup. Just call that cow something. A new study by researchers at Newcastle University’s School of Agriculture, Food and Rural Development finds that cows given pet names produce more milk–up to an extra 500 pints a year!–than cows that are just anonymous members of the herd.

The nation’s efforts to clear the air of pollution are paying off big time, according to new research published in the New England Journal of Medicine. Americans today live an extra five months, thanks to improvements in air quality achieved over the past few decades, the study found. In the cities that made the biggest improvement in air quality, life expectancies climbed a full ten months.