A fat rat was rescued by firefighters and volunteers with Berufstierrettung Rhein Neckar, an animal rescue group, after it got stuck in a manhole in Germany.

Scientists studied pregnant mice on a high-fat diet. In findings appearing in the journal Nature Metabolism , they found that mom’s high-fat diet triggers immune cells in the developing brains of male ...

"We are talking about a 0.03g difference in fat weight over a 25-30g mouse body weight," he told Live Science in an email. Because of all that fat burning, the animals' temperatures rose.