Dog Hugs: 5 Most Incredible Discoveries of the Week Including distressing news for dog owners and secret Nazi treasure By Jenn Gidman, Newser Staff Posted Apr 30, 2016 5:09 AM CDT 9 comments Comments Cut it out, human. (Shutterstock) (Newser) – A one-minute exercise routine? It's one of the discoveries to make headlines this week: Science Says Your Dog Hates Being Hugged: Thanks to that old wet blanket known as science, we now have compelling evidence that your dog hates it when you hug him. A psychology professor who specializes in canines reached this conclusion after studying photos of dog hugs online, and he explains the telltale signs he spotted. 50 Years of Spanking Studies Under Microscope: Old-school disciplinarians who believe in spanking might want to check out a mega-study that looks at 50 years of research and concludes that it might actually make behavior issues worse—and harm kids in ways similar to child abuse. Scientists have a theory on why people continue to spank. The Planet Is Getting Greener Thanks to Pollution: Scientists were surprised to find a dramatic increase in plant life around the world over the past 33 years instead of the global-warming-related "browning" they expected. It's all thanks to an increase in carbon dioxide in the atmosphere, but what's good for plants isn't necessarily good for the rest of the planet. Your Best Excuse for Not Exercising Is Gone: Scientists have found that just one minute of go-for-broke exercising may be as beneficial as a 45-minute moderate workout. The study has specifics on how participants made good use of that single minute. $500M Treasure Lies in Nazi Bunker, Historian Says: A Polish historian says a major Russian treasure may have been located. Bartlomiej Plebanczyk says he's "almost certain" that the Amber Room, a chamber made of gold leaf and amber panels and said to be worth $500 million, lies under an old World War II German bunker in northern Poland. But that's assuming it survived Soviet bombs. Click to read about more discoveries.