The more science uncovers about our biology the more amazed I am. Take for example new research that demonstrates how hard a fetus will fight to keep its host alive:
Now, a new study in mice shows such that nature has arrived at just such a solution, too: When a pregnant mouse has a heart attack, her fetus donates some of its stem cells to help rebuild the damaged heart tissue.
A fetus will inject stem cells into the mother in an attempt to repair heart damage? That’s downright cool.