Healthy red blood cells are puffy with a dimpled middle. “It’s just a really cool shape,” says Velia Fowler, a cell biologist at The Scripps Research Institute in San Diego. For decades, researchers ...

Hiding those red blood cells can double or triple the transparency ... Still, having a transparent body is pretty cool, on land or sea.

These red blood cells can’t live as long as healthy red ... Get immediate medical treatment when you feel ill. Keep a cool body temperature when exercising in hot and humid conditions.

Healthy red blood cells are round or disc-shaped and move ... Drink water before, during and after heavy activity. Keep your body cool. Prevent overheating when it’s hot and humid by misting ...

To better understand this phenomenon, Johnsen and colleagues tracked the red blood cells circulating throughout ... "How are glassfrogs doing that? The cool thing is that we just don't know." ...