Are those green bags that claim to be compostable really better for the environment? We’ve got the scoop. Credit...Photo Illustration by The New York Times; Shutterstock Supported by By Rachel Nuwer ...

It’s not uncommon for a dog to sniff around a yard, come across a pile of poop, and gobble it up. Or even to eat its own poop. It might sound quite disgusting, but lots of dogs will eat poop at some ...