The baffling problem of why cows prefer sleeping on their left side

Bovine laterality, plus an abundance of roundabouts and time-travelling ancestors in Feedback’s weekly weird round-up

Source:
https://www.newscientist.com/article/mg24833062-000-the-baffling-problem-of-why-cows-prefer-sleeping-on-their-left-side/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home