And if you're remodeling your house, take out all the carpeting and put in hardwood flooring.

It is moving around, exploring its environment, and remodeling its environment, as you see, by these chemical waves that are forming by the protocell.

Then, ventricular fibrillation, the heart quivers instead of beats this is just before death of the pig and then the pig died it went flat line.

Within the hippocampus a curved elongated ridge located in each of the brain's two temporal lobes is a structure called the dentate gyrus, which produces new neurons throughout adult life. Chronic stress inhibits neurogenesis and also causes many hippocampal neurons to shrink a process called remodeling.

The artificial heart machine, also known as a left ventricular assist device, or LVAD, has been used to keep patients alive until they receive a heart transplant. But there is a shortage of hearts for transplantation, and in the US, LVADs are now being implanted as a long term treatment for heart failure, just as a dialysis machine replaces a kidney.