journals.plos.org

GA5DE TIL if people had herbivorous pets instead of dogs and cats, 6.9 billion animal lives would be spared from slaughter every year
X0n1E TIL that chickens pass a version of the mirror test, where roosters warn others if they see a predator, but don't warm their own reflection in the mirror.
Bg4Wd TIL of a belly button bacteria study where 60 belly buttons got sampled and they discovered 2368 different species of bacteria; 1458 of these were new to science. One had a strange bacteria found in Japanese soil and they had never been to Japan. No bacteria was common to all buttons.