Daily briefing: Cows learn to use the loo

Daily briefing: Cows learn to use the loo

Nature, Published online: 14 September 2021; doi:10.1038/d41586-021-02511-9

It’s possible to potty-train cows to reduce the harmful effects of their excreta. Plus, the decades-long struggle to develop mRNA vaccines, and how to make the best of preprints.
Source: Nature