Twit-t-who? The green owl who was the logo of language-learning app Duolingo is no longer. The US company behind the app, which became a household name during the Covid-19 pandemic, has issued an ...

Add Yahoo as a preferred source to see more of our stories on Google. When most people think of a pet, they consider the usual array of creatures, like dogs, cats, or fish. A few like small rodents ...