Wearable Device Reveal Seals Prepare Themselves For Diving By Reducing Blood Flow To Their Blubber

Before diving seals reduce blood flow to their blubber
Image: Harbor Seals, Wikimedia Commons
A team of researchers at the University of St Andrews in the UK developed a non-invasive wearable device that allows them to monitor what happens inside diving animals in unprecedented detail. Their device uses near-infrared spectroscopy to monitor blood volume and oxygenation of the animals. “It’s effectively like a Fitbit,” says lead researcher Chris McKnight. […]