Cows dot fields and pastures across many countries. Chew the cud over these 10 facts about bovines.

ENVIRONMENT
You don't want to come into contact with even the slightest wisp of it.
The single-use wipes contribute to "fatbergs"—giant, sewer-clogging clumps of waste.
Cuban treefrogs are a major pest in south and central Florida. Now they're in New Orleans, too.
The winged mammals play a vital—albeit little-appreciated—role in agave production.
On April 22, 1970, Denis Hayes stood on a stage in Central Park, stunned by the number of people who'd come to honor the planet.
Since 1970, April 22 has been a day to reflect on our impact on the environment, on broad and individual scales.
The enzyme has the potential to be improved even further.
The village of Kåfjord is still feeling the effects of World War II.