Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.

Page 21 · column 3 of 5 · from the scan, no model involved

The clipping this text was read from
The clipping this text was read from

“building blocks of the blood and immune system,” stem cells reproduce into other cells like red blood cells, which carry oxygen throughout the body, white blood cells, which fight infections, and platelets, necessary for clotting.

According to researchers, stem cells

93.2%