Welcome to our fourth weekly roundup (now called "Research Roundup"). These Friday posts aim to inform our readers about the many stories that relate to animal research each week. Do you have an animal research story we should include in next week’s Research Roundup? You can send it to us via our Facebook page or through the … Continue reading Research Roundup: Red blood cell production in the lungs, sea urchin spines to fix bones, and trying to reverse aging in mice