Mice Don’t Know When to Let It Go, Either Animals, like humans, are reluctant to give up on pursuits they’ve invested in, psychologists report. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Why Do Bees Buzz?Impossible Burger’s ‘Secret Sauce’ Highlights Challenges of Food TechWATCH: Animation of test flight for ’worlds most powerful rocket’ tasked with Mars missionWEATHER WARNING: Extreme heat to kill 150,000 across EuropeGovernment Report Finds Drastic Impact of Climate Change on U.S.Chasing Shadows for a Glimpse of a Tiny World Beyond Pluto