Why are cows being potty trained?
Science unscripted - A podcast by DW.COM | Deutsche Welle

Why did scientists in Germany teach cows to urinate in one spot only? Also, what is there to 'debate' about a COVID-19 booster shot?
Science unscripted - A podcast by DW.COM | Deutsche Welle
Why did scientists in Germany teach cows to urinate in one spot only? Also, what is there to 'debate' about a COVID-19 booster shot?