- Cattle (Bos taurus) are large, domesticated, cloven-hooved, herbivores. They are a prominent modern member of the subfamily Bovinae and the most widespread species of the genus Bos. Adult females are referred to as cows and adult males are referred to as bulls.
- History of email (Wikipedia)
The history of email entails an evolving set of technologies and standards that culminated in the email systems in use today.
