"Mature red blood cells don't have organelles, such as mitochondria," said co-corresponding author Jian Xu, Ph.D., St. Jude Department of Pathology and Center of Excellence for Leukemia Studies.

Here's an amoeba engulfing red blood cells and red and white blood ... Using these microscopes, we're able to study the interior of cells and their organelles, and we've been able to get a better ...